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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#394554#7751. Palindrome PathjuruoAAC ✓7ms17664kbC++146.1kb2024-04-20 16:07:162024-04-20 16:07:16

Judging History

你现在查看的是最新测评结果

  • [2024-04-20 16:07:16]
  • 评测
  • 测评结果:AC
  • 用时:7ms
  • 内存:17664kb
  • [2024-04-20 16:07:16]
  • 提交

answer

#include <bits/stdc++.h>
using std::bitset;
using std::cout;
using std::deque;
using std::endl;
using std::greater;
using std::lower_bound;
using std::make_pair;
using std::map;
using std::max;
using std::min;
using std::multimap;
using std::multiset;
using std::nth_element;
using std::pair;
using std::priority_queue;
using std::queue;
using std::reverse; 
using std::set;
using std::sort;
using std::sqrt;
using std::stable_sort;
using std::string;
using std::swap;
using std::unique;
using std::upper_bound;
using std::vector;
typedef long long li;
typedef long double lf;

inline li read(){
	li ans = 0, f = 1;
	char ch = getchar();
	while(ch < '0' || ch > '9'){
		f = (ch == '-') ? -1 : 1;
		ch = getchar();
	}
	while(ch <= '9' && ch >= '0'){
		ans = ans * 10 + (ch ^ 48);
		ch = getchar();
	}
	return ans * f;
} 

li a[101][101];
pair<li, li> s, t;
li vis[101][101], n, m, sum;
li dir[101][101];
queue<pair<li, li>> q;
char move[] = {'U', 'R', 'L', 'D'};
li dx[] = {-1, 0, 0, 1};
li dy[] = {0, 1, -1, 0};
li rev[] = {3, 2, 1, 0};

li get(char s){
	if(s == 'U') return 0;
	else if(s == 'R') return 1;
	else if(s == 'L') return 2;
	else return 3;
}

void check_ifsolved(){
	li ans = 0;
	q.push(t);
	vis[t.first][t.second] = 1;
	while(!q.empty()){
		ans++;
		li x = q.front().first, y = q.front().second; q.pop();
		// cout << x << " " << y << endl;
		for(li i = 0; i < 4; i++){
			li tx = x + dx[i], ty = y + dy[i];
			if(1 <= tx && tx <= n && 1 <= ty && ty <= m && !vis[tx][ty] && a[tx][ty]){
				q.push({tx, ty});
				dir[tx][ty] = i;
				vis[tx][ty] = 1;
			}
		}
	}
	memset(vis, 0, sizeof vis);
	// cout << ans << " " << sum << endl;
	if(ans != sum){
		printf("-1\n");
		exit(0);
	}
}

bool go(li x, li y){
	if(1 <= x && x <= n && 1 <= y && y <= m){
		if(a[x][y]) return 1;
	}
	return 0;
}

string ans, temp, ans2;
bool can[35][35][35][35];
li way[35][35][35][35];
queue<pair<pair<li, li>, pair<li, li>>> qu;

// void bfs(){
// 	qu.push({s, t});
// 	can[s.first][s.second][t.first][t.second] = 1;
// 	while(!qu.empty()){
// 		auto x = qu.front().first, y = qu.front().second;
// 		if(x == y){
// 			string sum = "";
// 			while(x != s || y != t){
// 				sum += way[x.first][x.second][y.first][y.second];
				
// 			}
// 			break;
// 		}
// 		for(li i = 0; i < 4; i++){
// 			pair<li, li> tx = {x.first + dx[i], x.second + dy[i]}, ty = {y.first + dx[rev[i]], y.second + dy[rev[i]]};
// 			if(!go(tx.first, tx.second)) tx = x;
// 			if(!go(ty.first, ty.second)) continue;
// 			if(can[tx.first][tx.second][ty.first][ty.second]) continue;
// 			can[tx.first][tx.second][ty.first][ty.second] = 1;
// 			way[tx.first][tx.second][ty.first][ty.second] = i;
// 			qu.push({tx, ty});
// 		}
// 	}
// }

li dfs(pair<li, li> x, pair<li, li> y){
	// cout << x.first << " " << x.second << " " << y.first << " " << y.second << endl;
	if(x == y) return 1;
	// if(can[x.first][x.second][y.first][y.second]) return 0;
	for(li i = 0; i < 4; i++){
		pair<li, li> tx = {x.first + dx[i], x.second + dy[i]}, ty = {y.first + dx[rev[i]], y.second + dy[rev[i]]};
		if(!go(tx.first, tx.second)) tx = x;
		if(go(ty.first, ty.second)){
	// cout << "dfs " << x.first << " " << x.second << " " << y.first << " " << y.second << endl;
	// 	printf("id = %c:\n", move[i]);
	// 	printf("to %lld %lld %lld %lld\n", tx.first, tx.second, ty.first, ty.second);
			// printf("to %lld %lld %lld %lld\n", tx.first, tx.second, ty.first, ty.second);
			if(can[tx.first][tx.second][ty.first][ty.second]) continue;
			can[tx.first][tx.second][ty.first][ty.second] = 1;
			ans2 += move[i];
			if(dfs(tx, ty)) return 1;
			ans2.pop_back();
			// if(!go(y.first + dx[i], y.second + dy[i])) ty = y;
			// else continue;
		}
		if(!go(y.first + dx[i], y.second + dy[i])){
			ty = y;
	// cout << "dfs " << x.first << " " << x.second << " " << y.first << " " << y.second << endl;
	// 	printf("id = %c:\n", move[i]);
	// 	printf("to %lld %lld %lld %lld\n", tx.first, tx.second, ty.first, ty.second);
			// printf("to %lld %lld %lld %lld\n", tx.first, tx.second, ty.first, ty.second);
			if(can[tx.first][tx.second][ty.first][ty.second]) continue;
			can[tx.first][tx.second][ty.first][ty.second] = 1;
			ans2 += move[i];
			if(dfs(tx, ty)) return 1;
			ans2.pop_back();
		}
		// can[tx.first][tx.second][ty.first][ty.second] = 0;
	}
	return 0;
}

int main(){
    // freopen("wonderful.ans", "r", stdin);
    // freopen("www.ww", "w", stdout); 
	n = read(), m = read();
	for(li i = 1; i <= n; i++){
		for(li j = 1; j <= m; j++){
			a[i][j] = getchar();
			while(a[i][j] > '1' || a[i][j] < '0') a[i][j] = getchar();
			a[i][j] -= '0';
			sum += a[i][j];
		}
	}
	s.first = read(), s.second = read(), t.first = read(), t.second = read();
	check_ifsolved();
	for(li i = 1; i <= n; i++){
		for(li j = 1; j <= m; j++){
			if(!a[i][j]) continue;
			// puts("-----------");
			string s = "", ts = "";
			if(t == make_pair(i, j)) continue;
			li x = i, y = j;
			// cout << i << " " << j << endl;
			while(t != make_pair(x, y)){
				s += move[rev[dir[x][y]]];
				// cout << dir[x][y] << endl;
				li tempx = x, tempy = y;
				x -= dx[dir[tempx][tempy]], y -= dy[dir[tempx][tempy]];
				// cout << x << " " << y << endl;
			}
			// cout << i << " " << j << endl;
			reverse(s.begin(), s.end()); 
			ts += s;
			// cout << s;
			for(li k = 0; k < s.length(); k++) s[k] = move[rev[get(s[k])]];
			reverse(s.begin(), s.end()); 
			ts += s;
			reverse(ts.begin(), ts.end());
			temp += ts;
			// cout << s << endl;
		}
	}
	// cout << "?" << endl;
	reverse(temp.begin(), temp.end());
	ans += temp;
	// cout << temp << endl;
	for(char x : temp){
		li d = get(x);
		pair<li, li> tt = s;
		s.first += dx[d], s.second += dy[d];
		if(!go(s.first, s.second)){
			s = tt;
		}
		// cout << s.first << " " << s.second << endl;
	}
	// cout << "?" << endl;
 	can[s.first][s.second][t.first][t.second] = 1;
	dfs(s, t);
	// cout << ans2 << endl;
	ans += ans2;
	reverse(ans2.begin(), ans2.end());
	ans += ans2;
	reverse(temp.begin(), temp.end());
	// cout << temp <<  endl;
	ans += temp;
	cout << ans << endl;
    return 0;
} 

这程序好像有点Bug,我给组数据试试?

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 3744kb

input:

2 2
11
11
1 1 2 2

output:

RLDUDRLURDLUULDRULRDUDLR

result:

ok Valid Solution (Length = 24).

Test #2:

score: 0
Accepted
time: 0ms
memory: 3992kb

input:

2 2
10
01
1 1 2 2

output:

-1

result:

ok No Solution.

Test #3:

score: 0
Accepted
time: 0ms
memory: 3736kb

input:

1 1
1
1 1 1 1

output:



result:

ok Valid Solution (Length = 0).

Test #4:

score: 0
Accepted
time: 1ms
memory: 3752kb

input:

5 4
1111
1111
1111
1111
1111
4 2 4 2

output:

LLUDRRLUDRUDRUDLLLRRLRRLDLLRRUDLRUDUDRLUDDLLRRUUDDLRUUDDUUDDRLUUDDDLLRRUUUDDDLRUUUDDDUUUDDDRLUUUURDDLLUULDDDRRRDLUUUULLDRDDRDLLUUUULDRRRDDDLUULLDDRUUUULRDDDUUUDDDUUURLDDDUUURRLLDDDUULRDDUUDDUURLDDUURRLLDDULRDUDURLDURRLLDLRRLRRLLLDURDURDULRRDULL

result:

ok Valid Solution (Length = 244).

Test #5:

score: 0
Accepted
time: 0ms
memory: 3664kb

input:

5 5
11111
10101
11111
10101
11111
1 4 5 5

output:

RLRRLLRRRLLLRRRRLLLLDURRDULLRRRRDULLLLDDUUDDRLUUDDRRLLUUDDRRRLLLUUDDRRRRLLLLUUDDDUUUDDRRDULLUUDDRRRRDULLLLUUDDDDUUUUDDDDRLUUUUDDDDRRLLUUUUDDDDRRRLLLUUUUDDDDRRRRLLLLUUUURRRRDDLLLLDDRRRRUUUULLLLRRRRDDDDUUUULLLRRRDDDDUUUULLRRDDDDUUUULRDDDDUUUUDDDDUULLLLUDRRRRDDUULLUDRRDDUUUDDDUULLLLRRRRDDUULLLRRRDDUULL...

result:

ok Valid Solution (Length = 352).

Test #6:

score: 0
Accepted
time: 0ms
memory: 3712kb

input:

5 3
111
100
111
001
111
4 3 3 2

output:

LUUDDRLUURLDDRLUURRLLDDRLUDRLRRLRDULRDDLLRRUULRDDLRUULRDDUULLUUDDRLUURLDDRLUURRLLDDRLUDRLRRLRDULRDDLLRRUULRDDLRUULRDDUUL

result:

ok Valid Solution (Length = 120).

Test #7:

score: 0
Accepted
time: 0ms
memory: 3728kb

input:

5 4
1001
1101
1111
0011
0010
2 2 1 1

output:

ULULUUDDRDRDULULLUDRRDRDULULUDRDRDULULLRRDRDULULRDRDULUDRDUUDDULULLDURRDRDULRDUDULULLDDUURRDRDUULLUUDLRULDLRDRRDLULLULDRRDRLDLURLDUULLUUDRDRRUUDDLLULUDUDRLUDRDRRUDLLULUDDUUDRDULUDRDRLULUDRDRRLLULUDRDRDULULUDRDRRDULLULUDRDRDDUULULU

result:

ok Valid Solution (Length = 230).

Test #8:

score: 0
Accepted
time: 1ms
memory: 3928kb

input:

5 3
101
111
100
111
100
4 1 2 2

output:

RUUUDDDLRUULLRRDDLRUULRDDLRUUDDLRUDLLRRLLDURRDULRUUULLDLUUUURUDDDDURUUUULDLLUUURLUDRRUDLLRRLLDURLDDUURLDDRLUURLDDRRLLUURLDDDUUUR

result:

ok Valid Solution (Length = 128).

Test #9:

score: 0
Accepted
time: 0ms
memory: 3736kb

input:

5 5
01110
10110
11110
11011
11100
2 4 5 1

output:

LLRRLRDDLLLULRDRRRUUDDLLLUDRRRUUDLRUDUDDLLLRRRUUDDLLRRUUDDLRUUDDUUDDLLDLRURRUUDDLLDURRUUDDDUUUDDLLDDLRUURRUUDDLLDDUURRUUDDLLDDRLUURRUULDRDLLLULDRDRRUURDULRDDLUULURDDLLDDRULUULDDRLUDRUURRDRDLULLLDRDLUURRUULRDDLLDDUURRUUDDLLDDUURRUURLDDLLDDUUUDDDUURRUDLLDDUURRURLDLLDDUUDDUURLDDUURRLLDDUURRRLLLDDUDURLD...

result:

ok Valid Solution (Length = 332).

Test #10:

score: 0
Accepted
time: 1ms
memory: 3712kb

input:

5 3
011
111
110
111
011
3 1 2 1

output:

LUULUDRDDRLUUUDDDRLUULRDDRLUUDDRUUDDLUDRUDLLRRLRLDLRURLDURUULLUURUDLRURLDLRLRRLLDURDULDDUURDDUULRDDRLUULRDDDUUULRDDRDULUUL

result:

ok Valid Solution (Length = 122).

Test #11:

score: 0
Accepted
time: 0ms
memory: 3680kb

input:

4 5
11111
11111
11111
11111
3 2 1 3

output:

LLUUUDDDRRLUUUDDDRUUUDDDRUUUDDDLRRUUUDDDLLLLUUDDRRLUUDDRUUDDRUUDDLRRUUDDLLLLUDRRLUDRUDRUDLRRUDLLLLRRLRRLRRLLUUURRDLDRDLUUULLLLRDLDRUURRRDRLLLLDRRRRDLLLLRDRRRUURDLDRLLLLUUULDRDLDRRUUULLRRLRRLRRLLLLDURRLDURDURDULRRDULLLLDDUURRLDDUURDDUURDDUULRRDDUULLLLDDDUUURRLDDDUUURDDDUUURDDDUUULRRDDDUUULL

result:

ok Valid Solution (Length = 290).

Test #12:

score: 0
Accepted
time: 1ms
memory: 3752kb

input:

5 5
11111
10101
11111
10101
11111
2 5 1 1

output:

LLLLUUUUDDDDRRRRLLUUUULRDDDDRRLLUUUUDDDDRRUUUULRDDDDUUUUDDDDLLLLUUUDDDRRRRLLUUUDDDRRUUUDDDLLLLUUDDRRRRLLUULRDDRRLLUUDDRRUULRDDUUDDLLLLUDRRRRLLUDRRUDLLLLRRRRLLLRRRLLRRLRUUUULLLLDDRRRRDDLLLLUUUURLRRLLRRRLLLRRRRLLLLDURRDULLRRRRDULLLLDDUUDDRLUURRDDUULLRRDDRLUULLRRRRDDUULLLLDDDUUURRDDDUUULLRRRRDDDUUULLLL...

result:

ok Valid Solution (Length = 360).

Test #13:

score: 0
Accepted
time: 1ms
memory: 3604kb

input:

4 5
11111
10000
11111
00001
1 3 4 5

output:

DUDRLUDRRLLUDRRRLLLUDRRRRLLLLUDRRRRDULLLLUDRRRRDDLLLLRRRRUULLLLUDRRRRDDLLLRRRUULLLLUDRRRRDDLLRRUULLLLUDRRRRDDLRUULLLLUDRRRRDDUULLLLUDRRRRDULLLLUUDDRRRRDULLLLUURLDDRRRRDULLLLUURRLLDDRRRRDULLLLUURRRLLLDDRRRRDULLLLUURRRRLLLLDDRRRRDULLLLUDRRRRDULLLLRRRRDULLLRRRDULLRRDULRDUD

result:

ok Valid Solution (Length = 270).

Test #14:

score: 0
Accepted
time: 1ms
memory: 3704kb

input:

3 5
10100
00010
00111
1 3 1 1

output:

-1

result:

ok No Solution.

Test #15:

score: 0
Accepted
time: 0ms
memory: 3736kb

input:

4 5
10001
11111
11100
11111
4 5 3 1

output:

LLULLRRDRRLLULRDRRLLUDRRLUDRUDLLRRLRDLLLLRRRRUDLLLRRRUDLLRRUDLRUDUDLLLLDURRRRUDDUUULLLURRRDLRULDRDLLURRULLDRDLURLDRRRULLLUUUDDURRRRUDLLLLDUDURLDURRLLDURRRLLLDURRRRLLLLDRLRRLLDURDULRRDULLRRDRLULLRRDRRLLULL

result:

ok Valid Solution (Length = 204).

Test #16:

score: 0
Accepted
time: 1ms
memory: 3664kb

input:

3 5
11111
10100
11111
1 2 3 5

output:

RLRRLLRRRLLLRRRRLLLLRRDULLRRRRDULLLLRRDDLLRRUULLRRDDLRUULLRRDDUULLRRDDRLUULLRRDDRRLLUULLRRRRDLULLLDRRURDRULLDDRRULULURRULDRRRDRULLLLRRRRLLLLURDRRRDLURRULULURRDDLLURDRURRDLLLULDRRRRLLUULLRRDDRRLLUULRDDRRLLUUDDRRLLUURLDDRRLLUURRLLDDRRLLLLUDRRRRLLUDRRLLLLRRRRLLLRRRLLRRLR

result:

ok Valid Solution (Length = 268).

Test #17:

score: 0
Accepted
time: 0ms
memory: 3648kb

input:

4 5
01110
10101
11011
10111
1 3 2 3

output:

-1

result:

ok No Solution.

Test #18:

score: 0
Accepted
time: 0ms
memory: 3928kb

input:

5 5
11111
11111
11111
11111
11111
1 3 5 2

output:

LLLRRRLLRRLRRLDLLLRRRUDLLRRUDLRUDUDRLUDDLLLRRRUUDDLLRRUUDDLRUUDDUUDDRLUUDDDLLLRRRUUUDDDLLRRUUUDDDLRUUUDDDUUUDDDRLUUUDDDDLLLRRRUUUUDDDDLLRRUUUUDDDDLRUUUUDDDDUUUUDDDDRLUUUURDLLULLDRDRRDRDLLULLDRUUUULRDDDDUUUUDDDDUUUURLDDDDUUUURRLLDDDDUUUURRRLLLDDDDUUULRDDDUUUDDDUUURLDDDUUURRLLDDDUUURRRLLLDDDUULRDDUUDD...

result:

ok Valid Solution (Length = 362).

Test #19:

score: 0
Accepted
time: 0ms
memory: 3648kb

input:

5 5
11111
10101
11111
10101
11111
5 1 2 3

output:

ULLUUDDRRDUUULRDDDUUUDDDUUURLDDDURRUUDDLLDULLUDRRDUUDDURRUDLLDULLRRDULRDUDURLDURRLLDDLLUDRRUDRRUDLLUDLLRRUDLRUDUDRLUDRRLLUUUULLRRDULRDUDURLDURRLLDULLDURRDURRDULLDDLLRRUDLRUDUDRLUDRRLLUDLLDURRUDDUUDRRDULLUDLLDDUURRUDDDLRUUUDDDUUUDDDRLUUUDRRDDUULLU

result:

ok Valid Solution (Length = 246).

Test #20:

score: 0
Accepted
time: 0ms
memory: 3620kb

input:

5 5
11111
10000
11111
00001
11111
4 5 5 3

output:

LLRRLRRLRRLLLLDURRLLDDUURRLLDDRLUURRLLDDRRLLUURRLLDDRRRLLLUURRLLDDRRRRLLLLUURRLLDDRRRRDULLLLUURRLLDDRRRRDDLLLLRRRRUULLLLUURRLLDDRRRRDDLLLRRRUULLLLUURRLLDDRRRRDDLLRRUULLLLUURRLLDDRRRRDDLRUULLLLUURRLLDDRRRRDDUULLLLUURRLLDDRRRRDDLLRRUULLLLUUDDRRRRDDLLRRUULLLLUURLDDRRRRDDLLRRUULLLLUURRLLDDRRRRDDLLRRUULL...

result:

ok Valid Solution (Length = 444).

Test #21:

score: 0
Accepted
time: 0ms
memory: 3968kb

input:

5 5
01010
10101
10101
11001
10011
4 1 5 4

output:

-1

result:

ok No Solution.

Test #22:

score: 0
Accepted
time: 1ms
memory: 3724kb

input:

5 5
10101
11111
10101
11111
11111
3 1 2 4

output:

LUUUDDDRLUURUDLDDRRUUUDDDLRUURUDLDDLRRRUUUDDDLLLLUUDDRLUURLDDRRUUDDLRUURLDDLRRRUUDDLLLLUDRRUDLRRRUDLLLLRRLRRLLRRRLLLLDURRDULRRRDULLLRUURLLLUDRRRLUDRRUDLLLLRRRLLRRLRRLLLLDURRRLDURRDULLLLDDUURRRLDDLRUURLDDUURRDDLRUULRDDUULLLLDDDUUURRRLDDLDURUURLDDDUUURRDDLDURUULRDDDUUUL

result:

ok Valid Solution (Length = 268).

Test #23:

score: 0
Accepted
time: 1ms
memory: 3684kb

input:

5 5
00001
11111
01110
01111
01111
1 5 5 2

output:

LLLRRRLLRRLRDLLLRRRUDLLRRUDLRUDUDDLLRRUUDDLRUUDDUUDDDLLLRRRUUUDDDLLRRUUUDDDLRUUUDDDUUUDDDRLUUUDDDLLLDURRRUUULLLDRRRDULURLLLRDDRDUUURDULLLDRRLULDRDRUULLDRRDLUULDRRDLLUURDRDLULRRDLLLUDRUUUDRDDRLLLRULUDRRRDLLLUUURRRUDLLLDDDUUULRDDDUUUDDDUUURLDDDUUURRLLDDDUUURRRLLLDDDUUDDUURLDDUURRLLDDUDURLDURRLLDURRRLL...

result:

ok Valid Solution (Length = 314).

Test #24:

score: 0
Accepted
time: 0ms
memory: 3712kb

input:

5 5
01011
10111
11011
10101
01110
4 1 2 3

output:

-1

result:

ok No Solution.

Test #25:

score: 0
Accepted
time: 1ms
memory: 4072kb

input:

10 8
11111111
11111111
11111111
11111111
11111111
11111111
11111111
11111111
11111111
11111111
7 7 3 6

output:

LLUUUUUUUDDDDDDDRRLUUUUUUUDDDDDDDRUUUUUUUDDDDDDDRUUUUUUUDDDDDDDLRRUUUUUUUDDDDDDDLLRRRUUUUUUUDDDDDDDLLLRRRRUUUUUUUDDDDDDDLLLLRRRRRUUUUUUUDDDDDDDLLLLLLLUUUUUUDDDDDDRRLUUUUUUDDDDDDRUUUUUUDDDDDDRUUUUUUDDDDDDLRRUUUUUUDDDDDDLLRRRUUUUUUDDDDDDLLLRRRRUUUUUUDDDDDDLLLLRRRRRUUUUUUDDDDDDLLLLLLLUUUUUDDDDDRRLUUUUU...

result:

ok Valid Solution (Length = 2104).

Test #26:

score: 0
Accepted
time: 1ms
memory: 3944kb

input:

10 6
111111
101010
111111
101010
111111
101010
111111
101010
111111
101010
1 6 2 3

output:

ULLUUUUUUUDDDDDDDRRDUUUUUUUUDDDDDDDDURRUUUUUUUDDDDDDDLLDULLUUUUUULRDDDDDDRRDULLUUUUUUDDDDDDRRDUUUUUUULRDDDDDDDUUUUUUUDDDDDDDUUUUUUURLDDDDDDDURRUUUUUUDDDDDDLLDULLUUUUUDDDDDRRDUUUUUUDDDDDDURRUUUUUDDDDDLLDULLUUUULRDDDDRRDULLUUUUDDDDRRDUUUUULRDDDDDUUUUUDDDDDUUUUURLDDDDDURRUUUUDDDDLLDULLUUUDDDRRDUUUUDDDD...

result:

ok Valid Solution (Length = 1220).

Test #27:

score: 0
Accepted
time: 1ms
memory: 4016kb

input:

10 10
1111111111
1000000000
1111111111
0000000001
1111111111
1000000000
1111111111
0000000001
1111111111
1000000000
5 5 5 2

output:

RUULLLLLLLLLUURRRRRRRRRUDLLLLLLLLLDDRRRRRRRRRDDLRUULLLLLLLLLUUDDRRRRRRRRRDDLRUULLLLLLLLLUURLDDRRRRRRRRRDDLRUULLLLLLLLLUURRLLDDRRRRRRRRRDDLRUULLLLLLLLLUURRRLLLDDRRRRRRRRRDDLRUULLLLLLLLLUURRRRLLLLDDRRRRRRRRRDDLRUULLLLLLLLLUURRRRRLLLLLDDRRRRRRRRRDDLRUULLLLLLLLLUURRRRRRLLLLLLDDRRRRRRRRRDDLRUULLLLLLLLLUU...

result:

ok Valid Solution (Length = 3346).

Test #28:

score: 0
Accepted
time: 0ms
memory: 3716kb

input:

10 10
1010110101
0000011010
1001001001
0011111000
1000111100
1011101001
1100110011
0110001011
0011111000
0101011101
7 5 4 3

output:

-1

result:

ok No Solution.

Test #29:

score: 0
Accepted
time: 1ms
memory: 3724kb

input:

10 6
100100
111111
100001
111111
101111
111111
101010
111111
111100
111111
6 5 7 3

output:

ULUULLRRDDRDULUULRDDRDULUUDDRDUUUDDDURUUDDLDURRUUDDLLDULUDRDUUDDURUDLDURRUDLLDULLLRRRDULLRRDULRDUDURLDURRLLDDLLUDRRUDRRUDLLUDLLLRRRUDLLRRUDLRUDUDRLUDRRLLUDDLLLRRRUUDDLLRRUUDDLRUUDDUUDRRDULLUDDDLLLRRRUUUDDDLLRRUUUDDDLRUUUDDDUUUDDDRLUUUDDDRRLLUUUDDDLLLDURRRUUUDDDRRDULLUUUDDDLLLDDUURRRUUUDDDLLLDDRLUURR...

result:

ok Valid Solution (Length = 1058).

Test #30:

score: 0
Accepted
time: 1ms
memory: 4040kb

input:

10 8
11111110
11110111
01111111
11111101
11011101
11111111
11111011
11011101
11001111
11111110
7 1 2 1

output:

LLLULUUUUULULUDRDRDDDDDRDRRRLLLULUUUUULUUDDRDDDDDRDRRRLLLULUUUUUUUDDDDDDDRDRRRLUUUUUUUULLRRDDDDDDDDRLUUUUUUUULRDDDDDDDDRLUUUUUUUUDDDDDDDDRLUURUUUUUUDDDDDDLDDRLLLULLLLUUUUUUDDDDDDRRRRDRRRLLLULUUUUULULRDRDDDDDRDRRRLLLULUUUUULUDRDDDDDRDRRRLLLULUUUUUUDDDDDDRDRRRLUUUUUUUDDDDDDDRLUURUUUUUDDDDDLDDRLLLULLLL...

result:

ok Valid Solution (Length = 2790).

Test #31:

score: 0
Accepted
time: 1ms
memory: 3812kb

input:

10 10
1111011101
1110111110
1111011111
1011101111
0101010111
1110111111
0111010111
1011111011
0111010101
1011111110
2 6 7 4

output:

-1

result:

ok No Solution.

Test #32:

score: 0
Accepted
time: 1ms
memory: 4068kb

input:

8 10
1111111111
1111111111
1111111111
1111111111
1111111111
1111111111
1111111111
1111111111
8 10 6 10

output:

UUDDRUUDDLRRUUDDLLRRRUUDDLLLRRRRUUDDLLLLRRRRRUUDDLLLLLRRRRRRUUDDLLLLLLRRRRRRRUUDDLLLLLLLRRRRRRRRUUDDLLLLLLLLRRRRRRRRRUUDDLLLLLLLLLUDRUDLRRUDLLRRRUDLLLRRRRUDLLLLRRRRRUDLLLLLRRRRRRUDLLLLLLRRRRRRRUDLLLLLLLRRRRRRRRUDLLLLLLLLRRRRRRRRRUDLLLLLLLLLRLRRLLRRRLLLRRRRLLLLRRRRRLLLLLRRRRRRLLLLLLRRRRRRRLLLLLLLRRRR...

result:

ok Valid Solution (Length = 2560).

Test #33:

score: 0
Accepted
time: 1ms
memory: 3768kb

input:

10 10
1111111111
1010101010
1111111111
1010101010
1111111111
1010101010
1111111111
1010101010
1111111111
1010101010
3 5 9 1

output:

LLLLLLLLUDRRRRRRRRLLLLLLUDRRRRRRLLLLUDRRRRLLUDRRUDLLLLLLLLLRRRRRRRRRLLLLLLLLRRRRRRRRLLLLLLLRRRRRRRLLLLLLRRRRRRLLLLLRRRRRLLLLRRRRLLLRRRLLRRLRLLLLLLLLDURRRRRRRRLLLLLLDURRRRRRLLLLDURRRRLLDURRDUDDLLLLLLLLLRRRRRRRRRUUDDLLLLLLLLRRRRRRRRUUDDLLLLLLLRRRRRRRUUDDLLLLLLRRRRRRUUDDLLLLLRRRRRUUDDLLLLRRRRUUDDLLLRRR...

result:

ok Valid Solution (Length = 3362).

Test #34:

score: 0
Accepted
time: 1ms
memory: 3776kb

input:

10 10
1111111111
1000000000
1111111111
0000000001
1111111111
1000000000
1111111111
0000000001
1111111111
1000000000
5 4 7 2

output:

LLLLLLLLUURRRRRRRRRUDLLLLLLLLLDDRRRRRRRRLLLLLLLLUUDDRRRRRRRRLLLLLLLLUURLDDRRRRRRRRLLLLLLLLUURRLLDDRRRRRRRRLLLLLLLLUURRRLLLDDRRRRRRRRLLLLLLLLUURRRRLLLLDDRRRRRRRRLLLLLLLLUURRRRRLLLLLDDRRRRRRRRLLLLLLLLUURRRRRRLLLLLLDDRRRRRRRRLLLLLLLLUURRRRRRRLLLLLLLDDRRRRRRRRLLLLLLLLUURRRRRRRRLLLLLLLLDDRRRRRRRRLLLLLLLL...

result:

ok Valid Solution (Length = 3290).

Test #35:

score: 0
Accepted
time: 1ms
memory: 3776kb

input:

9 10
1111001000
1110010111
0001001000
0101000101
1101000001
0111100110
0010010000
0001001000
1011001101
2 8 5 2

output:

-1

result:

ok No Solution.

Test #36:

score: 0
Accepted
time: 0ms
memory: 3712kb

input:

5 10
1001011101
1111111111
1000011001
1111111111
1101110010
4 3 4 7

output:

LLUDRRRUDLRRUDLLRRRUDLLLRRRRRUDLLLLLRRRRRRUDLLLLLLLLLRRRLLRRLRRLRRLLRRRLLLRRRRLLLLRRRRRLLLLLRRRRRRLLLLLLLLLDURRRDUDRLURRRRRRDULLLLLLDDLLLRRRUUDDLLRRUUDDLRUUDDUUDDRLUUDDRRLLUUDDRRRLLLUUDDRRRRLLLLUUDDRRRRRLLLLLUUDDRRRRRRLLLLLLUUDDLLLDURRRUUDDDLRUUUDDDUUUDDDRLUUUDDRRRDULLLUUDDRRRRRRDULLLLLLUURURRLLDRRR...

result:

ok Valid Solution (Length = 772).

Test #37:

score: 0
Accepted
time: 0ms
memory: 3968kb

input:

7 10
1111111001
1111101110
1111011111
1101011101
1111011111
1111001011
1111111011
7 10 7 2

output:

-1

result:

ok No Solution.

Test #38:

score: 0
Accepted
time: 1ms
memory: 3896kb

input:

9 10
0101011101
1111111111
0101111111
1111111111
1111110101
1011111111
1101111101
1111111011
1101011111
3 7 7 10

output:

UUDDURUDLDURURLDLDURURRLLDLDURURRRLLLDLDDRRRRRRUUUDDDLLLLLLUDRRRRRRUURRUDLLDDLLLLLLUDRRRRRRUURRRUDLLLDDLLLLLLUUDURLDDRRRUUDDLLLUDRRRRUUDDLLLLUDRRRRRUUDDLLLLLUDRRRRRRUUDDLLLLLLUDRRRRRRUURLDDLLLLLLUDRRRRRRUURRLLDDLLLLLLUDRRRRRRUURRRLLLDDLLLLLLUDRRUDLLUDRRRUDLLLUDRRRRUDLLLLUDRRRRRUDLLLLLUDRRRRRRUDLLLLL...

result:

ok Valid Solution (Length = 3102).

Test #39:

score: 0
Accepted
time: 1ms
memory: 3832kb

input:

10 10
1111111111
1111111111
1111111111
1111111111
1111111111
1111111111
1111111111
1111111111
1111111111
1111111111
9 5 3 2

output:

LLLLLLLLUUUUUUUDDDDDDDRRRRRRRRLLLLLLLUUUUUUUDDDDDDDRRRRRRRLLLLLLUUUUUUUDDDDDDDRRRRRRLLLLLUUUUUUUDDDDDDDRRRRRLLLLUUUUUUUDDDDDDDRRRRLLLUUUUUUUDDDDDDDRRRLLUUUUUUUDDDDDDDRRLUUUUUUUDDDDDDDRUUUUUUUDDDDDDDRUUUUUUUDDDDDDDLLLLLLLLLUUUUUUDDDDDDRRRRRRRRLLLLLLLUUUUUUDDDDDDRRRRRRRLLLLLLUUUUUUDDDDDDRRRRRRLLLLLUUU...

result:

ok Valid Solution (Length = 3190).

Test #40:

score: 0
Accepted
time: 0ms
memory: 3872kb

input:

10 10
1111111111
1010101010
1111111111
1010101010
1111111111
1010101010
1111111111
1010101010
1111111111
1010101010
2 1 1 3

output:

LLLLLLUUUUUUUUUDDDDDDDDDRRRRRRLLLLUUUUUUUUUDDDDDDDDDRRRRLLUUUUUUUUUDDDDDDDDDRRUUUUUUUUUDDDDDDDDDRRUUUUUUUUUDDDDDDDDDLLLLLLLLUUUUUUUULRDDDDDDDDRRRRRRLLLLLLUUUUUUUUDDDDDDDDRRRRRRLLLLUUUUUUUULRDDDDDDDDRRRRLLLLUUUUUUUUDDDDDDDDRRRRLLUUUUUUUULRDDDDDDDDRRLLUUUUUUUUDDDDDDDDRRUUUUUUUULRDDDDDDDDUUUUUUUUDDDDDD...

result:

ok Valid Solution (Length = 3682).

Test #41:

score: 0
Accepted
time: 1ms
memory: 3848kb

input:

10 10
1111111111
1000000000
1111111111
0000000001
1111111111
1000000000
1111111111
0000000001
1111111111
1000000000
7 4 3 5

output:

LLLLLUURRRRRRRRRUULLLLLLLLLUURRRRRRRRRUDLLLLLLLLLDDRRRRRRRRRDDLLLLLLLLLDDRRRRRLLLLLUURRRRRRRRRUULLLLLLLLLUUDDRRRRRRRRRDDLLLLLLLLLDDRRRRRLLLLLUURRRRRRRRRUULLLLLLLLLUURLDDRRRRRRRRRDDLLLLLLLLLDDRRRRRLLLLLUURRRRRRRRRUULLLLLLLLLUURRLLDDRRRRRRRRRDDLLLLLLLLLDDRRRRRLLLLLUURRRRRRRRRUULLLLLLLLLUURRRLLLDDRRRRR...

result:

ok Valid Solution (Length = 3892).

Test #42:

score: 0
Accepted
time: 1ms
memory: 3884kb

input:

10 10
1110000101
1100110001
1011011001
0000000111
0010010111
0100111011
1110010011
1100111111
0110001110
0100000101
9 9 6 10

output:

-1

result:

ok No Solution.

Test #43:

score: 0
Accepted
time: 1ms
memory: 3760kb

input:

10 10
1110111011
1111111111
1110110000
1111111111
1010011100
1111111111
1111001110
1111111111
1001010011
1111111111
6 9 2 9

output:

RRRUULLUULUULUUDDRDDRDDRRDDLLLRRRUULLUULUUUUDDDDRDDRRDDLLLRRRUULLUULUUUURLDDDDRDDRRDDLLLRRRUULUUUURUULRDDLDDDDRDDLLLRRRUULUUUURUUDDLDDDDRDDLLLRRRUULUUUURUURLDDLDDDDRDDLLLRRRUUUURRUUUUDDDDLLDDDDLLLRRRUUUURRUUUURLDDDDLLDDDDLLLRRRUUUURRUUUURRLLDDDDLLDDDDLLLRRRRRRRRUUUUUUUUDDDDDDDDLLLLLLLLRRRUULLUULUULU...

result:

ok Valid Solution (Length = 2912).

Test #44:

score: 0
Accepted
time: 1ms
memory: 3896kb

input:

10 10
1111110011
1011111110
0111011111
1101101101
1111111110
1110111101
1011011111
1111111101
1011111101
1111111011
7 3 5 5

output:

LLLUULLUUUDDDRRDDRRRLLLUULLUUURLDDDRRDDRRRLLUUUUUDDDDDRRLUUUUUDDDDDRLUUURUUDDLDDDRLUUURRUUDDLLDDDRRRUUUUUDDDDDLLRRUUUUURLDDDDDLLRRRRUUUUUDDDDDLLLLLLLUULLUUDDRRDDRRRLLLUUUUDDDDRRRLLUUUUDDDDRRLUUUUDDDDRLUUURUDLDDDRLUUURRUDLLDDDRRRUUUUDDDDLLRRRRUUUUDDDDLLLLLLLUULLUDRRDDRRRLLLUUUDDDRRRLLUUUDDDRRLUUUDDDR...

result:

ok Valid Solution (Length = 3370).

Test #45:

score: 0
Accepted
time: 1ms
memory: 3776kb

input:

10 10
1101011101
1110111011
0101110101
1111101011
1111111111
1010111010
0111111101
1111101011
0111111101
1011101111
3 8 2 2

output:

-1

result:

ok No Solution.

Test #46:

score: 0
Accepted
time: 1ms
memory: 4452kb

input:

20 12
111111111111
111111111111
111111111111
111111111111
111111111111
111111111111
111111111111
111111111111
111111111111
111111111111
111111111111
111111111111
111111111111
111111111111
111111111111
111111111111
111111111111
111111111111
111111111111
111111111111
16 8 13 12

output:

UUUUUUUDDDDDDDRUUUUUUUDDDDDDDLRRUUUUUUUDDDDDDDLLRRRUUUUUUUDDDDDDDLLLRRRRUUUUUUUDDDDDDDLLLLRRRRRUUUUUUUDDDDDDDLLLLLRRRRRRUUUUUUUDDDDDDDLLLLLLRRRRRRRUUUUUUUDDDDDDDLLLLLLLRRRRRRRRUUUUUUUDDDDDDDLLLLLLLLRRRRRRRRRUUUUUUUDDDDDDDLLLLLLLLLRRRRRRRRRRUUUUUUUDDDDDDDLLLLLLLLLLRRRRRRRRRRRUUUUUUUDDDDDDDLLLLLLLLLLL...

result:

ok Valid Solution (Length = 11588).

Test #47:

score: 0
Accepted
time: 1ms
memory: 4312kb

input:

20 17
11111111111111111
10101010101010101
11111111111111111
10101010101010101
11111111111111111
10101010101010101
11111111111111111
10101010101010101
11111111111111111
10101010101010101
11111111111111111
10101010101010101
11111111111111111
10101010101010101
11111111111111111
10101010101010101
111111...

output:

ULLLLLLLLLLLLLLLLUUUUUUUUUUUUUDDDDDDDDDDDDDRRRRRRRRRRRRRRRRDULLLLLLLLLLLLLLUUUUUUUUUUUUUDDDDDDDDDDDDDRRRRRRRRRRRRRRDULLLLLLLLLLLLUUUUUUUUUUUUUDDDDDDDDDDDDDRRRRRRRRRRRRDULLLLLLLLLLUUUUUUUUUUUUUDDDDDDDDDDDDDRRRRRRRRRRDULLLLLLLLUUUUUUUUUUUUUDDDDDDDDDDDDDRRRRRRRRDULLLLLLUUUUUUUUUUUUUDDDDDDDDDDDDDRRRRRRD...

result:

ok Valid Solution (Length = 14972).

Test #48:

score: 0
Accepted
time: 1ms
memory: 3808kb

input:

20 19
1111111111111111111
1000000000000000000
1111111111111111111
0000000000000000001
1111111111111111111
1000000000000000000
1111111111111111111
0000000000000000001
1111111111111111111
1000000000000000000
1111111111111111111
0000000000000000001
1111111111111111111
1000000000000000000
11111111111111...

output:

LLLLLLLUURRRRRRRRRRRRRRRRRRUULLLLLLLLLLLLLLLLLLUURRRRRRRRRRRRRRRRRRUULLLLLLLLLLLLLLLLLLUDRRRRRRRRRRRRRRRRRRDDLLLLLLLLLLLLLLLLLLDDRRRRRRRRRRRRRRRRRRDDLLLLLLLLLLLLLLLLLLDDRRRRRRRLLLLLLLUURRRRRRRRRRRRRRRRRRUULLLLLLLLLLLLLLLLLLUURRRRRRRRRRRRRRRRRRUULLLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRRDDLLLLLLLLLLLLLLLLL...

result:

ok Valid Solution (Length = 40532).

Test #49:

score: 0
Accepted
time: 1ms
memory: 4028kb

input:

20 16
0101001111110001
0000111101001011
0000111100011001
1101110100110100
1011011110001101
1101000110111111
0111010111100101
1101101111011001
1101010100000101
1111001000110010
0001011000101000
0101111010110110
0001101111000111
1010100010000110
0100100011011100
0100100101011111
0001000001001110
10011...

output:

-1

result:

ok No Solution.

Test #50:

score: 0
Accepted
time: 3ms
memory: 6828kb

input:

20 18
100101011111011110
111111111111111111
101111101010000001
111111111111111111
110010011011001010
111111111111111111
110110111110000010
111111111111111111
100001000001111000
111111111111111111
100010100111111000
111111111111111111
111100011010110111
111111111111111111
111101010111011110
111111111...

output:

LLLUUUURRRUUUUUULUUUUUULLLRRRDDDDDDRDDDDDDLLLDDDDRRRLLLUUUURRRUUUUUULUUUUUULLRRDDDDDDRDDDDDDLLLDDDDRRRLLLUUUURRRUUUUUULUUUUUULRDDDDDDRDDDDDDLLLDDDDRRRLLLUUUURRRUUUUUULUUUUUUDDDDDDRDDDDDDLLLDDDDRRRLLLUUUURRRUUUUUULUUUUUURLDDDDDDRDDDDDDLLLDDDDRRRLLLUUUURRRUUUUUULUUUUUURRLLDDDDDDRDDDDDDLLLDDDDRRRRRRUUU...

result:

ok Valid Solution (Length = 46640).

Test #51:

score: 0
Accepted
time: 1ms
memory: 3960kb

input:

20 16
1110111111111111
1111111001111111
1111110111111011
1111110011111111
1111111111011111
1111110111101111
1111011111111111
1101111111111111
1011111111111001
0111111011111111
1110111111111111
1111111111111111
1111011011111111
0101110111111111
1110111101111110
1111111111111111
1111111111011111
11111...

output:

LULLLLLLLLUUUUUUUUUDDDDDDDDDRRRRRRRRDRLULLLLLLLUUUUUUUUUDDDDDDDDDRRRRRRRDRLULLLUUUUUUULUULLRRDDRDDDDDDDRRRDRLULLLUUUUUUULUULRDDRDDDDDDDRRRDRLULLLUUUUUUULUUDDRDDDDDDDRRRDRLULLLUUUUUUUUUDDDDDDDDDRRRDRUUUUULLULUUUUDDDDRDRRDDDDDUUUUULLUUUUUDDDDDRRDDDDDUUUUULUUUUUDDDDDRDDDDDUUUUUUUUUUDDDDDDDDDDUUUURUUUUU...

result:

ok Valid Solution (Length = 11862).

Test #52:

score: 0
Accepted
time: 0ms
memory: 3896kb

input:

20 18
110111110101110101
101010111110101010
110101111101111101
111011111011101111
010111110111111101
111011111011111011
011111110111010111
101110101010111010
010111110101110111
101010101011101110
011101110111011111
101010111011111010
010101111111110101
101011101110111011
110101011101010101
101010101...

output:

-1

result:

ok No Solution.

Test #53:

score: 0
Accepted
time: 1ms
memory: 4264kb

input:

14 20
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
...

output:

LLLLLLLRRRRRRRLLLLLLRRRRRRLLLLLRRRRRLLLLRRRRLLLRRRLLRRLRRLRRLLRRRLLLRRRRLLLLRRRRRLLLLLRRRRRRLLLLLLRRRRRRRLLLLLLLRRRRRRRRLLLLLLLLRRRRRRRRRLLLLLLLLLRRRRRRRRRRLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLLDLLLLLLLRRRRRRRUDLLLLLLRRRRRRUDLLLLLRRRRRUDLLLLRRRRUDLLLRRRUDLLRRUDLRUDUDRLUDRRLLUDRRRLL...

result:

ok Valid Solution (Length = 14614).

Test #54:

score: 0
Accepted
time: 2ms
memory: 5240kb

input:

19 20
11111111111111111111
10101010101010101010
11111111111111111111
10101010101010101010
11111111111111111111
10101010101010101010
11111111111111111111
10101010101010101010
11111111111111111111
10101010101010101010
11111111111111111111
10101010101010101010
11111111111111111111
10101010101010101010
...

output:

ULLLLUUUUUUUULRDDDDDDDDRRRRDULLLLUUUUUUUUDDDDDDDDRRRRDULLUUUUUUUULRDDDDDDDDRRDULLUUUUUUUUDDDDDDDDRRDUUUUUUUUULRDDDDDDDDDUUUUUUUUUDDDDDDDDDUUUUUUUUURLDDDDDDDDDURRUUUUUUUUDDDDDDDDLLDURRUUUUUUUURLDDDDDDDDLLDURRRRUUUUUUUUDDDDDDDDLLLLDURRRRUUUUUUUURLDDDDDDDDLLLLDURRRRRRUUUUUUUUDDDDDDDDLLLLLLDURRRRRRUUUUU...

result:

ok Valid Solution (Length = 25784).

Test #55:

score: 0
Accepted
time: 1ms
memory: 4128kb

input:

10 20
11111111111111111111
10000000000000000000
11111111111111111111
00000000000000000001
11111111111111111111
10000000000000000000
11111111111111111111
00000000000000000001
11111111111111111111
10000000000000000000
5 6 8 20

output:

URRRRRRRRRRRRRRRRRRRUDLLLLLLLLLLLLLLLLLLLDUDURLDURRLLDURRRLLLDURRRRLLLLDURRRRRLLLLLDURRRRRRLLLLLLDURRRRRRRLLLLLLLDURRRRRRRRLLLLLLLLDURRRRRRRRRLLLLLLLLLDURRRRRRRRRRLLLLLLLLLLDURRRRRRRRRRRLLLLLLLLLLLDURRRRRRRRRRRRLLLLLLLLLLLLDURRRRRRRRRRRRRLLLLLLLLLLLLLDURRRRRRRRRRRRRRLLLLLLLLLLLLLLDURRRRRRRRRRRRRRRLL...

result:

ok Valid Solution (Length = 15352).

Test #56:

score: 0
Accepted
time: 0ms
memory: 4012kb

input:

18 20
11011110100011011100
01100010001011110000
11100110001011101110
10110111100011001111
10100011111011110011
00001010110000010010
01101101100110010001
10001000111110000100
11000011001000001001
10101011101010100110
01111011011010100001
00010110000101101011
10110101011011000011
00110010111011000100
...

output:

-1

result:

ok No Solution.

Test #57:

score: 0
Accepted
time: 2ms
memory: 5560kb

input:

20 20
10101101000110011011
11111111111111111111
10110101010011101111
11111111111111111111
11010000010101011110
11111111111111111111
10100110101011011011
11111111111111111111
10010101101010101001
11111111111111111111
11101001101101101010
11111111111111111111
11100110110111110111
11111111111111111111
...

output:

LLLLLLLLLLLLLUUUUUDDDDDRRRRRRRRRRRRRLLLLLLLLLLLLUUUUUDDDDDRRRRRRRRRRRRLLLLLLLLUUULUULLRRDDRDDDRRRRRRRRLLLLLLLLUUULUULRDDRDDDRRRRRRRRLLLLLLLLUUULUUDDRDDDRRRRRRRRLLLLLLLLUUUUUDDDDDRRRRRRRRLLLUUULLUULLRRDDRRDDDRRRLLLUUULLUULRDDRRDDDRRRLLLUUULLUUDDRRDDDRRRLLLUUUUULRDDDDDRRRLLLUUUUUDDDDDRRRLLLUUUUURLDDDD...

result:

ok Valid Solution (Length = 33422).

Test #58:

score: 0
Accepted
time: 1ms
memory: 5156kb

input:

18 20
11111111111110111111
01111111111011111111
01111111111110011111
11111111111101111111
11111011111110111111
11111111111110111110
11111111111111011111
11011111111111111110
11110111111111001111
10111111110110111111
11111011111111111111
11111111111011101111
11101111001111111111
11111111111111111111
...

output:

LLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLRRRRRRRRRRLLLLLLLLLRRRRRRRRRLLLLLLLLRRRRRRRRLLLLLLLRRRRRRRLLLLLLRRRRRRLLLLLRRRRRLLLLRRRRLLLRRRLLRRLRRLRRLLRRRLLLRRRRLLLLRRRRRLLLLLRRRRRRLLLLLLRRRRRRRLLLLLLLRRRRRRRRLLLLLLLLDLLLLLLLLLLLRRRRRRRRRRRUDLLLLLLLLLLRRRRRRRRRRUDLLLLLLLLLRRRRRRRRRUDLLLLLLLLRRRRRRRRUDLLLLLLLRRRR...

result:

ok Valid Solution (Length = 26794).

Test #59:

score: 0
Accepted
time: 0ms
memory: 3884kb

input:

13 20
11011101111111110111
11111110111010111111
11111111111101011101
10111010101111111010
01011101111111010111
10101011101110101110
01111101010101011111
11111011111110101011
11110111111111011111
11111010101011101011
01111111110101011111
10111010101011111110
11111111110111011101
12 16 1 20

output:

-1

result:

ok No Solution.

Test #60:

score: 0
Accepted
time: 1ms
memory: 4652kb

input:

20 20
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
11111111111111111111
...

output:

LLLLUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDRRRRLLLUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDRRRLLUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDRRLUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDRUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDRUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDLRRUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDLLRRRUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDLLLRRRRUUUUUUUUUUUUUUUDDDDDDDDD...

result:

ok Valid Solution (Length = 22778).

Test #61:

score: 0
Accepted
time: 2ms
memory: 5004kb

input:

20 20
11111111111111111111
10101010101010101010
11111111111111111111
10101010101010101010
11111111111111111111
10101010101010101010
11111111111111111111
10101010101010101010
11111111111111111111
10101010101010101010
11111111111111111111
10101010101010101010
11111111111111111111
10101010101010101010
...

output:

LLUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDRRUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDRRUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDLLRRRRUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDLLLLRRRRRRUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDLLLLLLRRRRRRRRUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDLLLLLLLLRRRRRRRRRRUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDLLLLLLLL...

result:

ok Valid Solution (Length = 29686).

Test #62:

score: 0
Accepted
time: 1ms
memory: 4196kb

input:

20 20
11111111111111111111
10000000000000000000
11111111111111111111
00000000000000000001
11111111111111111111
10000000000000000000
11111111111111111111
00000000000000000001
11111111111111111111
10000000000000000000
11111111111111111111
00000000000000000001
11111111111111111111
10000000000000000000
...

output:

LLLLLLLLLLLLLLLLLLUURRRRRRRRRRRRRRRRRRRUULLLLLLLLLLLLLLLLLLLUURRRRRRRRRRRRRRRRRRRUULLLLLLLLLLLLLLLLLLLUURRRRRRRRRRRRRRRRRRRUULLLLLLLLLLLLLLLLLLLUURRRRRRRRRRRRRRRRRRRUULLLLLLLLLLLLLLLLLLLUDRRRRRRRRRRRRRRRRRRRDDLLLLLLLLLLLLLLLLLLLDDRRRRRRRRRRRRRRRRRRRDDLLLLLLLLLLLLLLLLLLLDDRRRRRRRRRRRRRRRRRRRDDLLLLLLL...

result:

ok Valid Solution (Length = 72488).

Test #63:

score: 0
Accepted
time: 0ms
memory: 3892kb

input:

20 20
11110100001010101100
10110001101110101000
01011110111010110000
10111001001011011100
00110111011000010101
01001111110001010010
00101001010111010111
10110100100010001000
10101010001110000010
01111111010110101011
00100101001111000101
00110001001001111000
10101110010001000010
00000100010000110000
...

output:

-1

result:

ok No Solution.

Test #64:

score: 0
Accepted
time: 0ms
memory: 7084kb

input:

20 20
11010001010100101010
11111111111111111111
11000010111011001011
11111111111111111111
10010100111100111110
11111111111111111111
11101100001110000111
11111111111111111111
11010100111101000011
11111111111111111111
11010011111100110100
11111111111111111111
10001011110000111010
11111111111111111111
...

output:

LLLLLLLLLLLLLLRRRRRRRRRRRRRRLLLLLLLLLLLLLRRRRRRRRRRRRRLLLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLRRRRRRRRRRLLLLLLLLLRRRRRRRRRLLLLLLLLRRRRRRRRLLLLLLLRRRRRRRLLLLLLRRRRRRLLLLLRRRRRLLLLRRRRLLLRRRLLRRLRRLRRLLRRRLLLRRRRLLLLRRRRRLLLLLLLLLLLLLLLLLLDLRURRRRRRRRRRRRRLLLLLLLLLLLLLDURRRRRRRRRRRRRLL...

result:

ok Valid Solution (Length = 54008).

Test #65:

score: 0
Accepted
time: 0ms
memory: 6160kb

input:

20 20
11111111111101111111
11111111111111111101
11111110111110111111
11111011110111111111
11010010110111111011
11111111111111101111
11111111111111111111
11111111111111111001
11111111011110111111
11111111111111111101
11101011111111111111
11111110111111101111
11111111111111111101
10111111111111100111
...

output:

LLLLLLLLLLLLLLULLLLLUUUUUUUUUUUUUDDDDDDDDDDDDDRRRRRDRRRRRRRRRRRRRRLLLLLLLLLLLLLLULLUULUUUUUUULUUUUDDDDRDDDDDDDRDDRRDRRRRRRRRRRRRRRLLLLLLLLLLLLLLULLUULUUUUUUUUUUUDDDDDDDDDDDRDDRRDRRRRRRRRRRRRRRLLLLLLLLLLLLLLUUUUUUUUULUUUUUDDDDDRDDDDDDDDDRRRRRRRRRRRRRRLLLLLLLLLLLLUUUULUUUUUUUUUULRDDDDDDDDDDRDDDDRRRRRR...

result:

ok Valid Solution (Length = 46464).

Test #66:

score: 0
Accepted
time: 0ms
memory: 3736kb

input:

20 20
11010111110101010101
10111010101111101010
11111101111101110111
10101011111010101110
11111111110101111101
10111111111010101111
11110101010111111101
10111110101011101111
01110111011101111101
10111011101010111010
11010111011111010111
11111011101011101111
01010111011111011111
11111010111110111011
...

output:

-1

result:

ok No Solution.

Test #67:

score: 0
Accepted
time: 2ms
memory: 5080kb

input:

30 25
1111111111111111111111111
1111111111111111111111111
1111111111111111111111111
1111111111111111111111111
1111111111111111111111111
1111111111111111111111111
1111111111111111111111111
1111111111111111111111111
1111111111111111111111111
1111111111111111111111111
1111111111111111111111111
11111111...

output:

LLLLLLLLLLLLLLLLLLLLLLLUUUUDDDDRRRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLLUUUUDDDDRRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLUUUUDDDDRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLUUUUDDDDRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLUUUUDDDDRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLUUUUDDDDRRRRRRRRRRRRRRRRRRLLLLLL...

result:

ok Valid Solution (Length = 69114).

Test #68:

score: 0
Accepted
time: 0ms
memory: 4464kb

input:

30 25
1111111111111111111111111
1010101010101010101010101
1111111111111111111111111
1010101010101010101010101
1111111111111111111111111
1010101010101010101010101
1111111111111111111111111
1010101010101010101010101
1111111111111111111111111
1010101010101010101010101
1111111111111111111111111
10101010...

output:

ULLLLLLLLLLLLLLLLLLLLLLLLUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDRRRRRRRRRRRRRRRRRRRRRRRRDULLLLLLLLLLLLLLLLLLLLLLUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDRRRRRRRRRRRRRRRRRRRRRRDULLLLLLLLLLLLLLLLLLLLUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDRRRRRRRRRRRRRRRRRRRRDULLLLLLLLLLLLLLLLLLUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDRRRRRRRRRRRRRRRRRRDULLL...

result:

ok Valid Solution (Length = 46326).

Test #69:

score: 0
Accepted
time: 2ms
memory: 4424kb

input:

30 25
1111111111111111111111111
1000000000000000000000000
1111111111111111111111111
0000000000000000000000001
1111111111111111111111111
1000000000000000000000000
1111111111111111111111111
0000000000000000000000001
1111111111111111111111111
1000000000000000000000000
1111111111111111111111111
00000000...

output:

RRRRRRRRRRRRRRRRRRRUDLLLLLLLLLLLLLLLLLLLLLLLLRRRRRLLLLRRRRLLLRRRLLRRLRRLRRLLRRRLLLRRRRLLLLRRRRRLLLLLRRRRRRLLLLLLRRRRRRRLLLLLLLRRRRRRRRLLLLLLLLRRRRRRRRRLLLLLLLLLRRRRRRRRRRLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLLRRRRRRRRRRRRRLLLLLLLLLLLLLRRRRRRRRRRRRRRLLLLLLLLLLLLLLRRRRRRRRRRRRRRRLLLLL...

result:

ok Valid Solution (Length = 274434).

Test #70:

score: 0
Accepted
time: 1ms
memory: 3740kb

input:

30 30
011110110001111010011111110010
011101110110100110001101010100
100100100111010000000011100101
111110001011110110101000100000
100110011100000111100111100010
110011101000111000101110011101
011000001101110100001010011100
001101101010010100111111110011
100010111001110111010110100001
000101010010110...

output:

-1

result:

ok No Solution.

Test #71:

score: 0
Accepted
time: 7ms
memory: 17664kb

input:

30 30
101011111010110011011100010111
111111111111111111111111111111
101000010010011000101010010010
111111111111111111111111111111
101010011110010001011010010101
111111111111111111111111111111
111100010110101001000001000001
111111111111111111111111111111
111101000101101001001000100001
111111111111111...

output:

LLLLLLLLLLLLLLLLLLLLLLLLLLUULUULLUUDDRRDDRDDRRRRRRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLLLLLLUULUULUUDDRDDRDDRRRRRRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLLLLLLUULUUUUDDDDRDDRRRRRRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLLLLLLUUUUUUDDDDDDRRRRRRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLLLUUUULUULR...

result:

ok Valid Solution (Length = 226836).

Test #72:

score: 0
Accepted
time: 0ms
memory: 8420kb

input:

30 30
111111111111111101111111011011
111111100111011111111111101010
111111111111111111111111011111
111111111101111111110111111110
111111111111111011111111111111
111110111111111111111111011111
111111111111111111111111111011
111101111111011111111111111111
111111111111111111111111111111
101110111110111...

output:

LLLUUUUUUUUUUUUUUUUUUULUUUUUDDDDDRDDDDDDDDDDDDDDDDDDDRRRLUULUUUUUUUUUUUUUUUUUUULUUUDDDRDDDDDDDDDDDDDDDDDDDRDDRLUULUUUUUUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDDDDDDRDDRLUULUUUUUUUUUUUUUUUUUUUUURUDLDDDDDDDDDDDDDDDDDDDDDRDDRLUUUUUUURUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDLDDDDDDDRLUUUUUUURUUUUUUUUUUUURUUUUUDDDDD...

result:

ok Valid Solution (Length = 118222).

Test #73:

score: 0
Accepted
time: 0ms
memory: 3812kb

input:

30 30
110111011111110111011111110101
101110101010111010101011101010
011101111101011101011111010111
111110101110111111111011101110
010101110101011101010101111111
101111101011111111111110101011
111101110111010101011101010101
111011111010101010101010101111
011111011111110101011111111101
111010101111101...

output:

-1

result:

ok No Solution.

Test #74:

score: 0
Accepted
time: 1ms
memory: 4736kb

input:

21 30
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111...

output:

LLLLLLLLLLLLLLLLLLLLLLLLLUUUUUUUDDDDDDDRRRRRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLLLLUUUUUUUDDDDDDDRRRRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLLLUUUUUUUDDDDDDDRRRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLLUUUUUUUDDDDDDDRRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLUUUUUUUDDDDDDDRRRRRRRRRRRRRRRRRRRRR...

result:

ok Valid Solution (Length = 44218).

Test #75:

score: 0
Accepted
time: 2ms
memory: 6628kb

input:

21 30
111111111111111111111111111111
101010101010101010101010101010
111111111111111111111111111111
101010101010101010101010101010
111111111111111111111111111111
101010101010101010101010101010
111111111111111111111111111111
101010101010101010101010101010
111111111111111111111111111111
101010101010101...

output:

LLLLLLLLLLLLLLLLLLLLLLLUUUUUUUUUUUUUULRDDDDDDDDDDDDDDRRRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLLLUUUUUUUUUUUUUUDDDDDDDDDDDDDDRRRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLUUUUUUUUUUUUUULRDDDDDDDDDDDDDDRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLUUUUUUUUUUUUUUDDDDDDDDDDDDDDRRRRRRRRRRRRRRRRRRRRRLLLLLLLL...

result:

ok Valid Solution (Length = 55412).

Test #76:

score: 0
Accepted
time: 2ms
memory: 4704kb

input:

21 30
111111111111111111111111111111
100000000000000000000000000000
111111111111111111111111111111
000000000000000000000000000001
111111111111111111111111111111
100000000000000000000000000000
111111111111111111111111111111
000000000000000000000000000001
111111111111111111111111111111
100000000000000...

output:

RUULLLLLLLLLLLLLLLLLLLLLLLLLLLLLUURRRRRRRRRRRRRRRRRRRRRRRRRRRRRUULLLLLLLLLLLLLLLLLLLLLLLLLLLLLUUDDRRRRRRRRRRRRRRRRRRRRRRRRRRRRRDDLLLLLLLLLLLLLLLLLLLLLLLLLLLLLDDRRRRRRRRRRRRRRRRRRRRRRRRRRRRRDDLRUULLLLLLLLLLLLLLLLLLLLLLLLLLLLLUURRRRRRRRRRRRRRRRRRRRRRRRRRRRRUULLLLLLLLLLLLLLLLLLLLLLLLLLLLLUURLDDRRRRRRRR...

result:

ok Valid Solution (Length = 129012).

Test #77:

score: 0
Accepted
time: 1ms
memory: 4028kb

input:

25 30
011010010110010101001110110111
000011111001111101110011010001
011011100010011000110100110000
001111001100100010111111101001
000101111100111001000000001111
001010110011101110101000010000
001010011001010000011001001001
011111010111110110101001110000
011001010011100010100101011000
100011000011110...

output:

-1

result:

ok No Solution.

Test #78:

score: 0
Accepted
time: 2ms
memory: 9616kb

input:

25 30
101100000100000111111100110011
111111111111111111111111111111
100111110101001111010001110011
111111111111111111111111111111
101101100110111111011110101110
111111111111111111111111111111
111001000110101100010101000110
111111111111111111111111111111
100000001011110010001101011010
111111111111111...

output:

UUUUUUUUUUUUUUURRRUURRUUUULUUUDDDRDDDDLLDDLLLDDDDDDDDDDDDDDDUUUUUUUUUUUUUUURRRUURRUUUUUUUDDDDDDDLLDDLLLDDDDDDDDDDDDDDDUUUUUUUUUUUUUUURRRUURRUUUUUURUDLDDDDDDLLDDLLLDDDDDDDDDDDDDDDUUUUUUUUUUUUUUURRRUURRUUUUUURRUDLLDDDDDDLLDDLLLDDDDDDDDDDDDDDDUUURUUUURRUUUURUURRRUUUUUUUURUUUDDDLDDDDDDDDLLLDDLDDDDLLDDDD...

result:

ok Valid Solution (Length = 120912).

Test #79:

score: 0
Accepted
time: 0ms
memory: 5044kb

input:

25 30
111111101111111111111111111111
111111111111111101111111110111
111111111111101111111111111111
111111111111111101101111111111
011101111111111111111111101111
111011100111111110111110111111
111111110111111111111111111111
111111111111110111111111111111
111111111111111101111111111111
111111111111111...

output:

LLLLLLLLLLLLLLLLLLLLLLLUUUUDDDDRRRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLUULUUDDRDDRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLUUUUDDDDRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLUUUUDDDDRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLUUUUDDDDRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLUUUUDDDDRRRRRRRRRRRRRRRRRRLLLLLL...

result:

ok Valid Solution (Length = 60654).

Test #80:

score: 0
Accepted
time: 1ms
memory: 3864kb

input:

25 30
110101110101011111010101010111
101111101011111011111110101010
110111011101110111111101011101
101011111011101011111111111011
110111111101011111110111111111
111111111110101011111111101010
110101010101010101011111011101
101010111010101111111111101111
111101110111011101011111010111
101010101010111...

output:

-1

result:

ok No Solution.

Test #81:

score: 0
Accepted
time: 2ms
memory: 5312kb

input:

30 30
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111...

output:

LLLLLLLLLLLUUUUUUUUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDDDDDDDDRRRRRRRRRRRLLLLLLLLLLUUUUUUUUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDDDDDDDDRRRRRRRRRRLLLLLLLLLUUUUUUUUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDDDDDDDDRRRRRRRRRLLLLLLLLUUUUUUUUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDDDDDDDDRRRRRRRRLLLLLLLUUUUUUUUUUUUUUUUUUUUUUUUD...

result:

ok Valid Solution (Length = 70698).

Test #82:

score: 0
Accepted
time: 4ms
memory: 13804kb

input:

30 30
111111111111111111111111111111
101010101010101010101010101010
111111111111111111111111111111
101010101010101010101010101010
111111111111111111111111111111
101010101010101010101010101010
111111111111111111111111111111
101010101010101010101010101010
111111111111111111111111111111
101010101010101...

output:

LLLLUUUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDDDRRRRLLUUUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDDDRRUUUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDDDRRUUUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDDDLLRRRRUUUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDDDLLLLRRRRRRUUUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDDDLLLLLLRRRRRRRRUUUUUUUUUUUUUUUUUUUDDDDDDDDD...

result:

ok Valid Solution (Length = 165186).

Test #83:

score: 0
Accepted
time: 4ms
memory: 5328kb

input:

30 30
111111111111111111111111111111
100000000000000000000000000000
111111111111111111111111111111
000000000000000000000000000001
111111111111111111111111111111
100000000000000000000000000000
111111111111111111111111111111
000000000000000000000000000001
111111111111111111111111111111
100000000000000...

output:

RRRRRRRRRRRRRRRRRRRRRRRRRRRRRUULLLLLLLLLLLLLLLLLLLLLLLLLLLLLUURRRRRRRRRRRRRRRRRRRRRRRRRRRRRUULLLLLLLLLLLLLLLLLLLLLLLLLLLLLUURRRRRRRRRRRRRRRRRRRRRRRRRRRRRUULLLLLLLLLLLLLLLLLLLLLLLLLLLLLUURRRRRRRRRRRRRRRRRRRRRRRRRRRRRUULLLLLLLLLLLLLLLLLLLLLLLLLLLLLUURRRRRRRRRRRRRRRRRRRRRRRRRRRRRUULLLLLLLLLLLLLLLLLLLLL...

result:

ok Valid Solution (Length = 435270).

Test #84:

score: 0
Accepted
time: 0ms
memory: 3732kb

input:

30 30
010110110101101010000010000110
101110000111000001001111100101
010100011111100110100001111101
101101100010111011011010001010
100101010100001011101100101100
101001111001111101101100001110
000111101010011110100001110100
111111001101000001011110000111
010000100010000100000011101000
100001010111010...

output:

-1

result:

ok No Solution.

Test #85:

score: 0
Accepted
time: 7ms
memory: 16420kb

input:

30 30
100110101011111011001000111100
111111111111111111111111111111
101001000111011110000110011110
111111111111111111111111111111
111001111110100011111000000010
111111111111111111111111111111
100111001001100000100010001101
111111111111111111111111111111
110001101000111011111010110110
111111111111111...

output:

RUULLRRDDLRUULRDDLRUUDDLRRUUDDLLRRUURLDDLLRRRRUUDDLLLLRRRRRUUDDLLLLLRRRRRUURLDDLLLLLRRRRRRRUUDDLLLLLLLRRRRRRRRUUDDLLLLLLLLRRRRRRRRUURLDDLLLLLLLLRRRRRRRRRRUUDDLLLLLLLLLLRRRRRRRRRRRUUDDLLLLLLLLLLLRRRRRRRRRRRRUUDDLLLLLLLLLLLLRRRRRRRRRRRRUURLDDLLLLLLLLLLLLRRRRRRRRRRRRUURRLLDDLLLLLLLLLLLLRRRRRRRRRRRRRRRU...

result:

ok Valid Solution (Length = 223314).

Test #86:

score: 0
Accepted
time: 4ms
memory: 8136kb

input:

30 30
111101111111111111111011111111
100111111111111111111111011111
111111011111111111011111111110
101111111101111111111111111111
111111111111111111111111111111
111111101111011111111110111111
111011111111111111111111111111
111111111111111111111101111111
111111111111111111111111111111
011111100111111...

output:

LLLLLLLLLUULLLLLLLLLLLLLLULLULLUUUUUUUUUUUUUUDDDDDDDDDDDDDDRRDRRDRRRRRRRRRRRRRRDDRRRRRRRRRLLLLLLLLLUULLLLLLLLLLLLLLULUUUUUUUULUULUUUUUDDDDDRDDRDDDDDDDDRDRRRRRRRRRRRRRRDDRRRRRRRRRLLLLLLLLLUULLLLLLLLLLLLLLULUUUUUUUULUUUUUUUDDDDDDDRDDDDDDDDRDRRRRRRRRRRRRRRDDRRRRRRRRRLLLLLLLLLUULLLLLLLLLLLLLLULUUUUUUUUU...

result:

ok Valid Solution (Length = 111662).

Test #87:

score: 0
Accepted
time: 0ms
memory: 4016kb

input:

30 30
011111010101111111011101111101
111011101011111110111111101011
111111010101011101111101110101
111110101011101110111111101110
010111011101110101110101111101
101111101011101110101010111111
110101010101010111011101010101
101110101111101110101110111111
110111011101010111010111110101
101011111110111...

output:

-1

result:

ok No Solution.

Test #88:

score: 0
Accepted
time: 0ms
memory: 5312kb

input:

30 30
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111111111111111111
111111111111111...

output:

LLLLLLLLLLLLLLLLLLLLLLLLLLLLLUUUUUUUUUUUUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDDDDDDDDDDDDRRRRRRRRRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLLLLLLLLUUUUUUUUUUUUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDDDDDDDDDDDDRRRRRRRRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLLLLLLLUUUUUUUUUUUUUUUUUUUUUUUUUUUUDDDDDDDDDDDDDDDDDDD...

result:

ok Valid Solution (Length = 105450).

Extra Test:

score: 0
Extra Test Passed