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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
#288086#7751. Palindrome PathMax_s_xaMAC ✓1ms5652kbC++144.2kb2023-12-21 19:53:152023-12-21 19:53:15

Judging History

你现在查看的是最新测评结果

  • [2023-12-21 19:53:15]
  • 评测
  • 测评结果:AC
  • 用时:1ms
  • 内存:5652kb
  • [2023-12-21 19:53:15]
  • 提交

answer

#include <iostream>
#include <cstring>
#include <algorithm>

typedef long long ll;
typedef double lf;

// #define DEBUG 1
struct IO
{
    #define MAXSIZE (1 << 20)
    #define isdigit(x) (x >= '0' && x <= '9')
    char buf[MAXSIZE], *p1, *p2;
    char pbuf[MAXSIZE], *pp;
    #if DEBUG
    #else
    IO() : p1(buf), p2(buf), pp(pbuf) {}
    ~IO() {fwrite(pbuf, 1, pp - pbuf, stdout);}
    #endif
    #define gc() (p1 == p2 && (p2 = (p1 = buf) + fread(buf, 1, MAXSIZE, stdin), p1 == p2) ? ' ' : *p1++)
    #define blank(x) (x == ' ' || x == '\n' || x == '\r' || x == '\t')

    template <typename T>
    void Read(T &x)
    {
        #if DEBUG
        std::cin >> x;
        #else
        bool sign = 0; char ch = gc(); x = 0;
        for (; !isdigit(ch); ch = gc())
            if (ch == '-') sign = 1;
        for (; isdigit(ch); ch = gc()) x = x * 10 + (ch ^ 48);
        if (sign) x = -x;
        #endif
    }
    void Read(char *s)
    {
        #if DEBUG
        std::cin >> s;
        #else
        char ch = gc();
        for (; blank(ch); ch = gc());
        for (; !blank(ch); ch = gc()) *s++ = ch;
        *s = 0;
        #endif
    }
    void Read(char &c) {for (c = gc(); blank(c); c = gc());}

    void Push(const char &c)
    {
        #if DEBUG
        putchar(c);
        #else
        if (pp - pbuf == MAXSIZE) fwrite(pbuf, 1, MAXSIZE, stdout), pp = pbuf;
        *pp++ = c;
        #endif
    }
    template <typename T>
    void Write(T x)
    {
        if (x < 0) x = -x, Push('-');
        static T sta[35];
        int top = 0;
        do sta[top++] = x % 10, x /= 10; while (x);
        while (top) Push(sta[--top] ^ 48);
    }
    template <typename T>
    void Write(T x, char lst) {Write(x), Push(lst);}
} IO;
#define Read(x) IO.Read(x)
#define Write(x, y) IO.Write(x, y)
#define Put(x) IO.Push(x)

using namespace std;

const int MAXN = 35, dx[4] = {0, -1, 0, 1}, dy[4] = {1, 0, -1, 0};

int n, m, sr, sc, er, ec;
char mp[MAXN][MAXN];
string ans, res, cur;

inline void Move(int x, int y, int xx, int yy)
{
    int u = er, v = ec; cur = "";
    if (xx == x + 1)
    {
        int k = 0;
        while (x > 1 && mp[x - 1][y] == '1' && u < n && mp[u + 1][v] == '1') x--, u++, k++;
        for (int i = 1; i <= k; i++) cur += "U";
        if (u < n && mp[u + 1][v] == '1') cur += "U";
        for (int i = 1; i <= k + 1; i++) cur += "D";
    }
    else if (xx == x - 1)
    {
        int k = 0;
        while (x < n && mp[x + 1][y] == '1' && u > 1 && mp[u - 1][v] == '1') x++, u--, k++;
        for (int i = 1; i <= k; i++) cur += "D";
        if (u > 1 && mp[u - 1][v] == '1') cur += "D";
        for (int i = 1; i <= k + 1; i++) cur += "U";
    }
    else if (yy == y + 1)
    {
        int k = 0;
        while (y > 1 && mp[x][y - 1] == '1' && v < m && mp[u][v + 1] == '1') y--, v++, k++;
        for (int i = 1; i <= k; i++) cur += "L";
        if (v < m && mp[u][v + 1] == '1') cur += "L";
        for (int i = 1; i <= k + 1; i++) cur += "R";
    }
    else if (yy == y - 1)
    {
        int k = 0;
        while (y < m && mp[x][y + 1] == '1' && v > 1 && mp[u][v - 1] == '1') y++, v--, k++;
        for (int i = 1; i <= k; i++) cur += "R";
        if (v > 1 && mp[u][v - 1] == '1') cur += "R";
        for (int i = 1; i <= k + 1; i++) cur += "L";
    }
    ans += cur;
}

bool vis[MAXN][MAXN]; int tot;
inline void DFS(int x, int y)
{
    vis[x][y] = 1, tot++;
    if (x == er && y == ec) res = ans;
    for (int i = 0; i < 4; i++)
    {
        int xx = x + dx[i], yy = y + dy[i];
        if (xx < 1 || xx > n || yy < 1 || yy > m || mp[xx][yy] == '0' || vis[xx][yy]) continue;
        Move(x, y, xx, yy);
        DFS(xx, yy);
        Move(xx, yy, x, y);
    }
}

int main()
{
    #if DEBUG
    #else
    ios::sync_with_stdio(0), cin.tie(0);
    #endif
    Read(n), Read(m);
    int cnt = 0;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            Read(mp[i][j]), cnt += (mp[i][j] == '1');
    Read(sr), Read(sc), Read(er), Read(ec);
    DFS(sr, sc), ans += res;
    if (cnt != tot) cout << "-1\n";
    else
    {
        cout << ans;
        reverse(ans.begin(), ans.end());
        cout << ans << "\n";
    }
    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: 0ms
memory: 3692kb

input:

2 2
11
11
1 1 2 2

output:

RDRLRDURLRDDRLRUDRLRDR

result:

ok Valid Solution (Length = 22).

Test #2:

score: 0
Accepted
time: 0ms
memory: 3572kb

input:

2 2
10
01
1 1 2 2

output:

-1

result:

ok No Solution.

Test #3:

score: 0
Accepted
time: 0ms
memory: 3632kb

input:

1 1
1
1 1 1 1

output:



result:

ok Valid Solution (Length = 0).

Test #4:

score: 0
Accepted
time: 0ms
memory: 3596kb

input:

5 4
1111
1111
1111
1111
1111
4 2 4 2

output:

LLRRLLRRRDDUUDDDUUUDDDUUUURLRLLRLLUDLRLLRRUDDRLLRLLUDDUDDLRLLRRLLRRRRLRLLRLLDUDDUULRLLRRDDDUUURLLRLLDDDUUUULRLLRRLLRRRUDUDDUDDRLRLLLLRLRDDUDDUDURRRLLRRLLRLUUUUDDDLLRLLRUUUDDDRRLLRLUUDDUDLLRLLRLRRRRLLRRLLRLDDUDDULLRLLRDDURRLLRLDULLRLLRLRUUUUDDDUUUDDDUUDDRRRLLRRLL

result:

ok Valid Solution (Length = 262).

Test #5:

score: 0
Accepted
time: 0ms
memory: 3700kb

input:

5 5
11111
10101
11111
10101
11111
1 4 5 5

output:

RDDRLRRLLDDDUUUDDDDUUUURRRLLLRRRRLLLLDDRRRRRLLLLDDRRRRDUDRLRRLLDUDRRRLLLRRRRLLLLDUDDUUDDDUUUDDDDUUUURRDDRRDDDUUUDDDDUUUURLRDDRLRRLLDDDUUUDDDDUUUURRRLLLRRRRLLLLDDRRRRRLLLLDDRRRRRRRRDDLLLLRRRRRDDLLLLRRRRLLLRRRUUUUDDDDUUUDDDLLRRLRDDRLRUUUUDDDDUUUDDDRRDDRRUUUUDDDDUUUDDDUUDDUDLLLLRRRRLLLRRRDUDLLRRLRDUDRR...

result:

ok Valid Solution (Length = 352).

Test #6:

score: 0
Accepted
time: 0ms
memory: 3572kb

input:

5 3
111
100
111
001
111
4 3 3 2

output:

URLRLLUULRLRRRLRLLDDLRLRRDDRLRLLLRLRRUURLLRUURRLRLLLRLRDDRRLRLDDLLRLRRRLRLUULLRLRU

result:

ok Valid Solution (Length = 82).

Test #7:

score: 0
Accepted
time: 0ms
memory: 3692kb

input:

5 4
1001
1101
1111
0011
0010
2 2 1 1

output:

LUUDUUDDRRRUUUDUUDDUUDDDLUUDDURULLLURLUULRULLLURUDDUULDDDUUDDUUDUUURRRDDUUDUUL

result:

ok Valid Solution (Length = 78).

Test #8:

score: 0
Accepted
time: 0ms
memory: 3576kb

input:

5 3
101
111
100
111
100
4 1 2 2

output:

LRLRRRLRLLUULRLRRUDRLRLLUDDDDULRLRRRLRLLUULRRLUULLRLRRRLRLUDDDDULLRLRDURRLRLUULLRLRRRLRL

result:

ok Valid Solution (Length = 88).

Test #9:

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

input:

5 5
01110
10110
11110
11011
11100
2 4 5 1

output:

DDDUUULLLRDDLLRRRDLRLDULLLDDDUUUDDLRDLLRRLLLRDULDDUULRLLRRDUDDUULLRRDDDDUUULLLRDDLLRRRDLRLDULLLDDDUUUDDLRDLLRRLLLLRRLLDRLDDUUUDDDLLLUDLRLDRRRLLDDRLLLUUUDDDDRRLLUUDDUDRRLLRLUUDDLUDRLLLRRLLDRLDDUUUDDDLLLUDLRLDRRRLLDDRLLLUUUDDD

result:

ok Valid Solution (Length = 224).

Test #10:

score: 0
Accepted
time: 0ms
memory: 3632kb

input:

5 3
011
111
110
111
011
3 1 2 1

output:

LRULLRRULLRUDLLLRUUDDUUDDDLLRRUDLLRULLLRULLRULLRRULLRUDLLLLDURLLURRLLURLLURLLLURLLDURRLLDDDUUDDUURLLLDURLLURRLLURL

result:

ok Valid Solution (Length = 114).

Test #11:

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

input:

4 5
11111
11111
11111
11111
3 2 1 3

output:

LLRRLLRRRLLRRRUURLRRLLRRLLLRRLLLUDLRLLRRLLRRRRRLLRRLLLRRLLLUUDDUUUDDDLRLLRRLLRRRLLRRRRLRRLLRRLLLRRLLLUUULRLLRRLLRRRLLRRRUDUUDDRLRRLLRRLLLLLRRLLRRRLLRRRUURLRRLLLLRRLRUURRRLLRRRLLRRLLLLLRRLLRRLRDDUUDURRRLLRRRLLRRLLRLUUULLLRRLLLRRLLRRLRRRRLLRRRLLRRLLRLDDDUUUDDUULLLRRLLLRRLLRRRRRLLRRLLRLDULLLRRLLLRRLLRR...

result:

ok Valid Solution (Length = 318).

Test #12:

score: 0
Accepted
time: 0ms
memory: 3628kb

input:

5 5
11111
10101
11111
10101
11111
2 5 1 1

output:

ULLLLUDUUDDLRLLRRLLLRRRLLLLRRRRUUUDDDUUUUDDDDLLUUUUUDDDDLLUUUUUDDDDLRLLRRLLLRRRLLLLRRRRUULLUUUDDLLUULRLLRRLLLRRRLLLLRRRRUDULLLLLLLLUDURRRRLLLLRRRLLLRRLLRLUULLDDUUULLUURRRRLLLLRRRLLLRRLLRLDDDDUUUUULLDDDDUUUUULLDDDDUUUUDDDUUURRRRLLLLRRRLLLRRLLRLDDUUDULLLLU

result:

ok Valid Solution (Length = 254).

Test #13:

score: 0
Accepted
time: 0ms
memory: 3568kb

input:

4 5
11111
10000
11111
00001
1 3 4 5

output:

RRLLLLDDRRRRDDULLLLDUDUURRRRLLLLDDRRRRDDRRRRDDLLLLRRRRUUDUDLLLLUDDRRRRDDLLLLRR

result:

ok Valid Solution (Length = 78).

Test #14:

score: 0
Accepted
time: 0ms
memory: 3636kb

input:

3 5
10100
00010
00111
1 3 1 1

output:

-1

result:

ok No Solution.

Test #15:

score: 0
Accepted
time: 0ms
memory: 3572kb

input:

4 5
10001
11111
11100
11111
4 5 3 1

output:

LLDUDDUULLRRRLLRRRDUUDLLLLDDUUUUDUDDLRUDDLLRDULDDUULRLLRRUDUDDLLRRRLLRRRLLDUDDUULLRRRLLRRRDUUDLLLLDDUUUUDUDDDDUDUUUUDDLLLLDUUDRRRLLRRRLLUUDDUDLLRRRLLRRRLLDDUDURRLLRLUUDDLUDRLLDDURLDDUDUUUUDDLLLLDUUDRRRLLRRRLLUUDDUDLL

result:

ok Valid Solution (Length = 216).

Test #16:

score: 0
Accepted
time: 0ms
memory: 3560kb

input:

3 5
11111
10100
11111
1 2 3 5

output:

RRRRLRRLLDDRRRLRRLLRRRLLLRRRRLLLLUUDDRRUURRRLLLRRRRLRRLLDDRRRRDDLLRRLRRRRLLLRRRUURRDDUULLLLRRRRLLLRRRLLRRLRRRDDLLRRLRRRR

result:

ok Valid Solution (Length = 120).

Test #17:

score: 0
Accepted
time: 0ms
memory: 3692kb

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: 3696kb

input:

5 5
11111
11111
11111
11111
11111
1 3 5 2

output:

LLLRRRLLLRRRRDRLRLLRLLDDDDUUUURLLDDLRLLRRLLLRRRLLLRRRRDRLRLLRLLRLLDLRLLRRLLLRRRLLLRRRRRLRLLRLLRLLDULRLLRRLLLRRRLLLRRRRDDUURLRLLRLLRLLDDDUUUDDDDUUUULRDLLRRLLLRRRLLLRRRRDDDDUUUURLRLLLLLRRRLLLRRRRDRLRLLRLLDDDDUUUURLLDDLRLLRRLLLRRRLLLRRRRDRLRLLRLLRLLDLRRLDLLRLLRLLRLRDRRRRLLLRRRLLLRRLLRLDDLLRUUUUDDDDLLRL...

result:

ok Valid Solution (Length = 498).

Test #19:

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

input:

5 5
11111
10101
11111
10101
11111
5 1 2 3

output:

RRRRDUDUUDUUDUULLLLUDUUDDRRRLDUUUUDDUUUDDDDUULLUUUDDDDUUDUUDUURRRRUDUUDDUUUDDDUUUDDDDLLLLRRRRDUDUUDUUDUULLLLUDUUDDRRRLDUUUUDLRRRDDUUDULLLLUUDUUDUUDUDRRRRLLLLDDDDUUUDDDUUUDDUUDURRRRUUDUUDUUDDDDUUULLUUDDDDUUUDDUUUUDLRRRDDUUDULLLLUUDUUDUUDUDRRRR

result:

ok Valid Solution (Length = 242).

Test #20:

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

input:

5 5
11111
10000
11111
00001
11111
4 5 5 3

output:

URLRRLLRRLLLRRLLLUULRLLRRLLRRRLLRRRRLRRLLRRLLLRRLLLDDLRLLRRLLRRRLLRRRDDRLRRLLRRLLLRRLLLLRLLRRLLRRRLLRRRUURLRRLLRRLLLRRLLLUULRLLRRLLRRRLLRRRRLRRLLRRLLLRRLLLDDLRLLRRLLRRRLLRRRDDRLRRLLLLRRLRDDRRRLLRRRLLRRLLRLDDLLLRRLLLRRLLRRLRRRRLLRRRLLRRLLRLUULLLRRLLLRRLLRRLRUURRRLLRRRLLRRLLRLLLLRRLLLRRLLRRLRDDRRRLLRR...

result:

ok Valid Solution (Length = 362).

Test #21:

score: 0
Accepted
time: 0ms
memory: 3572kb

input:

5 5
01010
10101
10101
11001
10011
4 1 5 4

output:

-1

result:

ok No Solution.

Test #22:

score: 0
Accepted
time: 0ms
memory: 3640kb

input:

5 5
10101
11111
10101
11111
11111
3 1 2 4

output:

ULRLRRLRRLRRUDDDRLRRLLUDRRRLLLRRRLLLLDLRLRRLRRLRRRLRRLLRRRLLLRRRLLLLULRLRRLRRLRRUURLRRLLUDRRRLLLRRRLLLLUDDULRLRRLRRRRLRRLRLUDDULLLLRRRLLLRRRDULLRRLRUURRLRRLRRLRLULLLLRRRLLLRRRLLRRLRRRLRRLRRLRLDLLLLRRRLLLRRRDULLRRLRDDDURRLRRLRRLRLU

result:

ok Valid Solution (Length = 230).

Test #23:

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

input:

5 5
00001
11111
01110
01111
01111
1 5 5 2

output:

DLLLLLRDLRLLRRDLLLRRRDLLDULDDULRDLLRRLLLRRRDULDDUULLDDDUUULLRRLLLRRRLLLRRRRDUDLLLLLRDLRLLRRDLLLRRRDLLDULDDLUDLLDRRRLLLDRRLLRLDRLLLLLDUDRRRRLLLRRRLLLRRLLUUUDDDLLUUDDLUDRRRLLLRRLLDRLUDDLUDLLDRRRLLLDRRLLRLDRLLLLLD

result:

ok Valid Solution (Length = 210).

Test #24:

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

input:

5 5
01011
10111
11011
10101
01110
4 1 2 3

output:

-1

result:

ok No Solution.

Test #25:

score: 0
Accepted
time: 0ms
memory: 3612kb

input:

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

output:

LLRRRDDUUUDDUUUDDUUUDDUUUDDUUUDDUUURLRRLLRRRLLLRRRRLLLLRRRRRLLLLLRRRRRLLLLLLRRRRRLLLLLLUDLRLLRRLLRRRLLRRRLLRRRLLRRRUUDDRRLLRRRLLLRRRRLLLLRRRRRLLLLLRRRRRLLLLLLRRRRRLLLLLLUUUDDDLRLLRRLLRRRLLRRRLLRRRLLRRRUUUUDDDDRRLLRRRLLLRRRRLLLLRRRRRLLLLLRRRRRLLLLLLRRRRRLLLLLLUUUUUDDDDDLRLLRRLLRRRLLRRRLLRRRLLRRRRRLLU...

result:

ok Valid Solution (Length = 2216).

Test #26:

score: 0
Accepted
time: 0ms
memory: 3616kb

input:

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

output:

LLLLLUDUUDDRRRRRLDUUUUDDUUUDDDUUUUDDDDRLLLDUUUUUUDDDDLLDUUUUUUDDDDUUUUUDDDDDUUUUUUDDDDDDRRRRRLDUUUUUUUUDDDDDDUUUUUUUDDDDDDDUUUUUUUUDDDDDDDDRLLLDUUUUUUUUUUDDDDDDDDLLDUUUUUUUUUUDDDDDDDDUUUUUUUUDDDDDDDDDDURRUUUUUUUUDDDDDDDDDDURRUUUUUUUUDDDDDDDDDDUDUUDUULLDUUUUUUUUDDDDDDLLDUUDUURRRRDUUDUULLDUUUUDDLLDUUD...

result:

ok Valid Solution (Length = 1194).

Test #27:

score: 0
Accepted
time: 0ms
memory: 3692kb

input:

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

output:

LLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRLLLLLLLLRRRRRRRRLLLLLLLLRRRRRRRRRUURLRLLRLLRLLRLLRLLRLLRLLRLLUULRLLRRLLLRRRLLLLRRRRLLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRLLLLLLLLRRRRRRRRLLLLLLLLRRRRRRRRRRLRLLRLLRLLRLLRLLRLLRLLRLLDDLRLLRRLLLRRRLLLLRRRRLLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRLLLLLLLLRRRRRRRRLLLLLLLLRRRR...

result:

ok Valid Solution (Length = 1846).

Test #28:

score: 0
Accepted
time: 0ms
memory: 3572kb

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: 0ms
memory: 3696kb

input:

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

output:

RDUDDUUDDDUUUDDDUUUULLDUUDLLLDDDUUUUUDUUDDUUUDDDRRRRUDLLUUDDRLLLDDDUUUUUUUDDDDUUUDDDDUUUDDDDRRRRRLDUUUUDDDDLUDLLLUUUDDDDRRRRRLLLLLDURRRDDUULDDDUUUUUUDDDDLLDDDUUUDDDUUUURRDDDUUUURRDDDUUUULLLLDDDUUUUDDDUUUURRRRRUDUUDDUUUDDDUUUDDDDLRDUDDUUDDDUUUDDDUUUULLDUUDLLLDDDUUUUUDUUDDUUUDDDRRRRUDLLUUDDRLLLDDDUUUU...

result:

ok Valid Solution (Length = 750).

Test #30:

score: 0
Accepted
time: 0ms
memory: 3636kb

input:

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

output:

LRLLRRLLLRRRLLLRRRRDUULLLRRRRLLLRRRRLLLRRRRDUUDUUDUUDUULDUULLLLLLDLRLLRRLLLRRRDLLLRRRLLLRRRRLLLRRRRLDUUDDLLLDULDLDLRDLLRRLLLRRRDUULRLLRRLLDLLLLRDUULDUULRDUULRDLLLRRRLLLRRRRLLLRRRRDUULLDUULLLDULRLLRRLLLRRRLLLRRRRLLLRRRRLLLRRRRDLLRRDDDDDLLRDDLLDUULLLRDDLLLRRRRLLLRRRRLLLLLDUDUULDDDUDUULRDDLLRRLLLRRRLLL...

result:

ok Valid Solution (Length = 812).

Test #31:

score: 0
Accepted
time: 0ms
memory: 3688kb

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: 0ms
memory: 3640kb

input:

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

output:

DUDDUUDDDUUUDDDDUUUUDDDDDUUUUUDDDDDUUUUUUDDDDDUUUUUURLRRLLRRRLLLRRRRLLLLRRRRRLLLLLRRRRRRLLLLLLRRRRRRRLLLLLLLRRRRRRRRLLLLLLLLRRRRRRRRRLLLLLLLLLUDRRRRRRRRUUDDRRLLRRRLLLRRRRLLLLRRRRRLLLLLRRRRRRLLLLLLRRRRRRRLLLLLLLRRRRRRRRLLLLLLLLRRRRRRRRRLLLLLLLLLUUDDDRRRRRRRRUUDDDRRLLRRRLLLRRRRLLLLRRRRRLLLLLRRRRRRLLLL...

result:

ok Valid Solution (Length = 1886).

Test #33:

score: 0
Accepted
time: 0ms
memory: 3632kb

input:

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

output:

LLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRLLLLLLLLRRRRRRRRLLLLLLLLLRRRRRRRRRLDDDDDDDDUUUUUUUUDDDDDDDDUUUUUUUUULLLLLLLLLRRRRRRRRRLLLLLLLLLUDUDDLRLLRRLLLRRRLDDDDDDDDUUUUUUUUUDDUDDUDDLLLRRRLLLLRRRRLLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRLLLLLLLLRRRRRRRRLLLLLLLLLRRRRRRRRRLDDDDDDUUUUUUUDDUDDUDDLLLLLLLLLRRRRRRRRRLL...

result:

ok Valid Solution (Length = 2488).

Test #34:

score: 0
Accepted
time: 0ms
memory: 3568kb

input:

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

output:

LLLLRRRRLLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRLLLLLLLLRRRRRRRRLLLLLLLLRRRRRRRRRUURLRLLRLLRLLRLLRLLRLLRLLRLLUULRLLRRLLLRRRLLLLRRRRLLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRLLLLLLLLRRRRRRRRLLLLLLLLRRRRRRRRRRLRLLRLLRLLRLLRLLRLLRLLRLLDDLRLLRRLLLRRRLLLLRRRRLLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRLLLLLLLLRRRRRRRRLLLL...

result:

ok Valid Solution (Length = 1876).

Test #35:

score: 0
Accepted
time: 0ms
memory: 3612kb

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: 3628kb

input:

5 10
1001011101
1111111111
1000011001
1111111111
1101110010
4 3 4 7

output:

LLLRRRLLLRRRRLLLRRRRLLLRRRRLLLRRRRLLLRRRRLLLRRRRDUDDUUDDDUUUDRLRRLLDURLRRLLDLLLRRRRDRLLRDDUURRRRLLLLRRRRRLLLLLRRRRRRLLLLLLDUDRRRRRRLLLLLLLRRRRRRLLLLLLLRRRRRRLLLLLLLDDDUUUUDDDLRDRLLRDURRRRRRLLLLLLLDDUUDDDUUULRLLRRLLLRRRLLLRRRRLLLRRRRDDDUUUULRLLRRDLLLRRRRLLLRRRRDDRLDDURRLLRRRLLLRRRRLLLLDRLRRLLLRLLRRDU...

result:

ok Valid Solution (Length = 724).

Test #37:

score: 0
Accepted
time: 0ms
memory: 3560kb

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: 0ms
memory: 3616kb

input:

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

output:

RRRDDDDDDUUUUUUUDDDDDDUUUUUUUUDLLDDDDDDUUUUUULLUDRLLLDDDDDDUUUUUUUUDLLDDDDUUUUUDLRUUDDUUDDDRRRRRRRRUUDDDUUDDDLLDDUUUUDDDLLDDDDUUUULLLLLDDDDDUUUUUUDUUDDUUDDDRUDRRRRRDDUURLLLDDUULLRUUDDDDDDUUURUUDDDRRUUDDUUDDDRRRDUDDUUUUDDDLRUUDDDLLLLRDULLLUUDDDDULLLUUDDDRLDURDDUULDDDUUUDDDDUUUURRRRRUUDDDRRRRDDDDUUUUD...

result:

ok Valid Solution (Length = 1188).

Test #39:

score: 0
Accepted
time: 0ms
memory: 3596kb

input:

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

output:

LLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRLLLLLLLLRRRRRRRRLLLLLLLLRRRRRRRRRDDUUDDUUUDDUUUDDUUUDDUUUDDUUUDDUUUDDUUURLRLLRLLRLLRLLRLLRLLRLLRLLUDLRLLRRLLLRRRLLLLRRRRLLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRLLLLLLLLRRRRRRRRUUDDRLLRLLRLLRLLRLLRLLRLLRLLUUUDDDLRLLRRLLLRRRLLLLRRRRLLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRLL...

result:

ok Valid Solution (Length = 2952).

Test #40:

score: 0
Accepted
time: 0ms
memory: 3700kb

input:

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

output:

ULRLLRRLLLRRRLLLLRRRRLLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRLLLLLLLRRRRRRRRLLLLLLLRRRRRRRRRLUDUUDDLLLLLLLRRRRRRRRRLRRLLRRLLLUUUDDRRLLLRRLLLUUUDDRRLLLRRLLLUUUDDRRLLLRRLLLUUUDDDUUUUDDDDLRLLRRLLLRRRLLLLRRRRLLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRLLLLLLLRRRRRRRRLLLLLLLRRRRRRRRRLUUUUUDDDDUUUUUDDDDDUUUUUUDDDDDDL...

result:

ok Valid Solution (Length = 1982).

Test #41:

score: 0
Accepted
time: 0ms
memory: 3572kb

input:

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

output:

LLLLRRRRLLLLLRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRDDRLRRLLRRRLLLRRRRLLLLRRRRLLLLLRRRRLLLLLRRRRLLLLLRRRRLLLLLRRRRLLLLLDULRLLRRLLLRRRLLLLRRRRLLLLLRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRUURLRRLLRRRLLLRRRRLLLLRRRRLLLLLRRRRLLLLLRRRRLLLLLRRRRLLLLLRRRRLLLLLUULRLLRRLLLRRRLLLLRRRRLLLLLR...

result:

ok Valid Solution (Length = 2184).

Test #42:

score: 0
Accepted
time: 0ms
memory: 3692kb

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: 0ms
memory: 3568kb

input:

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

output:

LRRRLRRLLDUUDUULRRLRRRLRRLLRRRLLLRRRRLLLLDUUDUULRRLRRLRRLRRDURLLRDRLRRLLRRRLLLDURLRRLLDRRRRRRLLLLLLRRRRRRRLLLLLLLDUURLRRLLDLRDLRRDLRRLRRDUDRRRRRRLLLLLLRRRRRRRLLLLLLLRRRRRRRRLLLLLLLLRRRRRRRRLLLLLLLLLDUUDDDLRLRRLRRLRRLRRLRRDUURRLLLRDDLRLRRDLRRDRLDLRRRLRRLLRRRLLLRRRRLLLLDUDUULRRLRRRRRLLLRRRRLLLLRRRRRLL...

result:

ok Valid Solution (Length = 1434).

Test #44:

score: 0
Accepted
time: 0ms
memory: 3556kb

input:

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

output:

LRUDLLLLRRRRLLLLRRRRRLLLLRRRRRLLLLRRRRRDUULLLRRRLLLLRRRRDUUUDUDDUDDUDDRLLRDUDUUDUURLRRLLDUUDUULLLLRRRRRRLDUUDUULLLRRRLLLLRRRRUDDURLDUDUULRRLUDRLRRLLRRRLLLDUURLRRLLRRRLLLRRRRLLLLRRRRLLLLLUDDULRLLRRUDLRLLRRRRRRLLLLLUDDRLRRLLUDRLUDLRLLRRLLLRRRLLLLRRRRLLLLRRRRRLLLLRRRRRDUUDUURRRRLLLLLRUDDUDDUDDRRLLRRRLL...

result:

ok Valid Solution (Length = 1926).

Test #45:

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

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: 0ms
memory: 3596kb

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:

RRRRDDDDDUUUUUDDDDDDUUUUUUDDDDDDDUUUUUUUDDDDDDDDUUUUUUUUDDDDDDDDDUUUUUUUUUDDDDDDDDDDUUUUUUUUUUDDDDDDDDDDDUUUUUUUUUUUDDDDDDDDDDDDUUUUUUUUUUUUDDDDDDDDDDDDUUUUUUUUUUUUUDDDDDDDDDDDDUUUUUUUUUUUUUDDDDDDDDDDDDUUUUUUUUUUUUUDDDDDDDDDDDDUUUUUUUUUUUUUDDDDDDDDDDDDUUUUUUUUUUUUUDDDDDDDDDDDDUUUUUUUUUUUUUDDDDDDDDDD...

result:

ok Valid Solution (Length = 7826).

Test #47:

score: 0
Accepted
time: 0ms
memory: 3644kb

input:

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

output:

RRRRRRRRRRRDDDDDUUUUUUDDDDDUUUUUUDDDDDUUUUUUDDDDDUUUUUUDDDDDUUUUUUDDDDDUUUUUULLLLLLLLLLLLLLLLUDUUDDRRRRRRRRRRRRRRRLDDDDDUUUUUUUUDDUUUDDDUUUUDDDDRLLLDDDDDUUUUUUUUUUDDDDLLDDDDDUUUUUUUUUUDDDDLLDDDDDUUUUUUUUUUDDDDLLDDDDDUUUUUUUUUUDDDDLLDDDDDUUUUUUUUUUDDDDLLDDDDDUUUUUUUUUUDDDDLLDDDDDUUUUUUUUUUDDDDUUUUUDD...

result:

ok Valid Solution (Length = 7142).

Test #48:

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

input:

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

output:

UURLRRLLRRRLLLRRRRLLLLRRRRRLLLLLRRRRRRLLLLLLRRRRRRRLLLLLLLRRRRRRRRLLLLLLLLRRRRRRRRRLLLLLLLLLRRRRRRRRRRLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLLUULRL...

result:

ok Valid Solution (Length = 15322).

Test #49:

score: 0
Accepted
time: 0ms
memory: 3632kb

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: 0ms
memory: 3660kb

input:

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

output:

LLRRURLRRLLRRRLLLUULLLLRRRRRLLLLRRRRRLLLLRRRRRRLRRLLRRRLLLUULLLLRRRRRLLLLRRRRRLLLLRRRRRRLUULLLLRRRRRRLUULLLLRRRRRUURLURLRRLLRRRLLLDLLLLRRRRRLLLLRRRRRRRRLLLRRRRLLLLRRRRRLLLLLRRRRRRLLLLLLURLRRLLRRRLLLRRRRLLLLDLLLLRRRRRLLLLRRRRRLLLLRRRRRDDLLLLRRRRRLLLLRRRRRLLLLRRRRRLLLLRRRRRLLLLRRRRRRRRLLLDDLLLLRRRRRRR...

result:

ok Valid Solution (Length = 8588).

Test #51:

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

input:

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

output:

LRRLRRLRRLRRLRRLRRLRRUDRLRRLLRRRLLLRRRRLLLLRRRRLLLLLRRRRLLLLLUUDDLRRLRRLRRUUUDDDLRRLRRLRRDDDDDDDDDUUUUUUUUUURLLRUUUDDDUUUUDDDDRLRRLLRRRLLLRRRRLLLLDURRRRLLLLLRRRRLLLLLRRRRLLLLLDDDDDDDDDUUUUUUUUUURRRRLLLLLLRUDUUDDLRRUUUUUDDDDDLRRUDLRRLRRLRRLRRLRRDDDDDDDDUUUUUUUURLRRLLRRRLLLLRLRRLRRUUUUUUDDDDDDUUUUUUUD...

result:

ok Valid Solution (Length = 9528).

Test #52:

score: 0
Accepted
time: 0ms
memory: 3644kb

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: 0ms
memory: 3668kb

input:

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

output:

LLRRLLLRRRLLLLRRRRLLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRLLLLLLLRRRRRRRRLLLLLLLRRRRRRRRLLLLLLLRRRRRRRRLLLLLLLRRRRRRRRLLLLLLLRRRRRRRRLLLLLLLRRRRRRRRLLLLLLLRRRRRRRRLLLLLLLRRRRRRRRLLLLLLLRRRRRRRRLLLLLLLRRRRRRRRLLLLLLLRRRRRRRRLLLLLLLRRRRRRRRDUDDUUDDDUUUDDDDUUUUDDDDDUUUUUDDDDDDUUUUUUDDDDDDDUUUUUUUDDDDDDDDUU...

result:

ok Valid Solution (Length = 16452).

Test #54:

score: 0
Accepted
time: 0ms
memory: 3780kb

input:

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

output:

RRRRRRRRRRRRRRRRRRRLUDUUDDRLLLDDDDDDDDDUUUUUUUUUUUUDDLLDDDDDDDDDUUUUUUUUUUUUDDLLDDDDDDDDDUUUUUUUUUUUUDDLLDDDDDDDDDUUUUUUUUUUUUDDLLDDDDDDDDDUUUUUUUUUUUUDDLLDDDDDDDDDUUUUUUUUUUUUDDLLDDDDDDDDDUUUUUUUUUUUUDDLLDDDDDDDDDUUUUUUUUUUUUDDLLDDDDDDDDDUUUUUUUUUUUUDDUUUDDDUUUUDDDDRRRRRRRRRRRRRRRRRRRLDDDDDDDDDUUUU...

result:

ok Valid Solution (Length = 8138).

Test #55:

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

input:

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

output:

RRRRRRRRRRRRRRDUDUULLLLLLLLLLLLLLLLLLLDUDUURRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLUDUDDRRRRRRRRRRRRRRRRRRRUDUDDLLLLLLLLLLLLLLLLLLLUDUDDRRRRRRRRRRRRRRRRRRRUDUDDLLLLLLLLLLLLLLLLLLLUDDURRRRRRRRRRRRRRRRRRRDUDUULLLLLLLLLLLLLLLLLLLDUDUURRRRRRRRRRRRRRRRRRRDUDUULLLLLLLLLLLLLLLLLLLDUDUURRRRRRRRRRRRRRRRRRRLLLL...

result:

ok Valid Solution (Length = 778).

Test #56:

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

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: 0ms
memory: 3584kb

input:

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

output:

LLLLLLLLLRRRRRRRRRLLLLLLLLLLRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLLLRRRRRRRRRRRRRLLLLLLLLLLLLLRRRRRRRRRRRRRRLLLLLLLLLLLLLRRRRRRRRRRRRRRLLLLLLLLLLLLLRRRRRRRRRRRRRRLLLLLLLLLLLLLRRRRRRRRRRRRRRLLLLLLLLLLLLLRRRRRRRRRRRRRRLLLLLLLLLLLLLRRRRRRRRRRRRRRDDDUUUUDDDUUUUDDDUUUUDDDUUUU...

result:

ok Valid Solution (Length = 12984).

Test #58:

score: 0
Accepted
time: 0ms
memory: 3596kb

input:

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

output:

LLLLRRRRDDDUUULLLLLLLLLLRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRRDDDDUUUULLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRRDDUUDDDUUUDDDDUUUUDDDDUUUUUDDDDUUUUURLDDDDUUUUUDDDDU...

result:

ok Valid Solution (Length = 16818).

Test #59:

score: 0
Accepted
time: 0ms
memory: 3576kb

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: 0ms
memory: 3616kb

input:

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

output:

LLLLRRRRRLLLLRRRRRLLLLRRRRRLLLLRRRRRLLLLRRRRRLLLLRRRRRDDDDUUUUUDDDDUUUUUDDDDUUUUUDDDDUUUUUDDDDUUUUUDDDDUUUUUDDDDUUUUUDDDDUUUUUDDDDUUUUUDDDDUUUUUDDDDUUUUURLRRLLRRRLLLRRRRLLLLRRRRRLLLLLRRRRRRLLLLLLRRRRRRRLLLLLLLRRRRRRRRLLLLLLLLRRRRRRRRRLLLLLLLLLRRRRRRRRRRLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRRLLL...

result:

ok Valid Solution (Length = 24476).

Test #61:

score: 0
Accepted
time: 0ms
memory: 3676kb

input:

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

output:

LLLRRRRLLLRRRRLLLRRRRLLLRRRRRLDDUUUDDUUULLLRRRRRLDDUUUDDUUULLLRRRRRLDDUUUDDUUULLLRRRRRLRRLLRRRLLLRRRRLLLLRRRRRLLLLLRRRRRRLLLLLLRRRRRRRLLLLLLLRRRRRRRRLLLLLLLLRRRRRRRRRLLLLLLLLLRRRRRRRRRRLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLLRRRRRRRRRRRRRLLLLLLLLLLLLLRRRRRRRRRRRRRRLLLLLLLLLLLLLLRRRRR...

result:

ok Valid Solution (Length = 16652).

Test #62:

score: 0
Accepted
time: 0ms
memory: 3672kb

input:

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

output:

LLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLLLRRRRRRRRRRRRRLLLLLLLLLLLLLLRRRRRRRRRRRRRRLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRRRDDRLRLLRLLRLLRLLRLLRLLRLLRLLRLL...

result:

ok Valid Solution (Length = 16448).

Test #63:

score: 0
Accepted
time: 0ms
memory: 3576kb

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: 3592kb

input:

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

output:

LLLLLLLLLLLLLLRRRRRRRRRRRRRRRLLLLLLLLLLLLLLRRRRRRRRRRRRRRRDRLDLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRLRRLLRRRLLLDDDUUUDDDDUUUUDDDDUUUUUDRRRRLLLLRRRRRLLLLLDUDRRRRRLLLLLLRRRRRLLLLLLRRRRRLLLLLLDUDRRRRRLLLLLLRRRRRLLLLLLDDDDUUUUUDRRRRRLLLLLLRRRRRLLLLLLDUDRRRRRLLLLLLRRRRRLLLLLLRRRRRLLLLLLRRRRRLLLLLLDUDRRRRRLLLLLLR...

result:

ok Valid Solution (Length = 16834).

Test #65:

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

input:

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

output:

LLLLRRRRLLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRDDDUUULLLLLLLLRRRRRRRRLLLLLLLLLRRRRRRRRRLLLLLLLLLLRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLLLRRRRRRRRRRRRRLLLLLLLLLLLLLLRRRRRRRRRRRRRRLLLLLLLLLLLLLLRRRRRRRRRRRRRRRLLLLLLLLLLLLLLRRRRRRRRRRRRRRRDDDDDUUUUUULLLLLLLLLLLLLLRRRRRRRRRRRRR...

result:

ok Valid Solution (Length = 13504).

Test #66:

score: 0
Accepted
time: 0ms
memory: 3576kb

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: 1ms
memory: 3784kb

input:

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

output:

LLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLLLRRRRRRRRRRR...

result:

ok Valid Solution (Length = 60194).

Test #68:

score: 0
Accepted
time: 0ms
memory: 3656kb

input:

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

output:

DDDDDDDDDUUUUUUUUURRRRRRRRRRRRRRDDDDDDDDDDUUUUUUUUUUDDDDDDDDDDDUUUUUUUUUUUDDDDDDDDDDDDUUUUUUUUUUUUDDDDDDDDDDDDDUUUUUUUUUUUUUDDDDDDDDDDDDDUUUUUUUUUUUUUUDDDDDDDDDDDDDUUUUUUUUUUUUUUDDDDDDDDDDDDDUUUUUUUUUUUUUUDDDDDDDDDDDDDUUUUUUUUUUUUUUDDDDDDDDDDDDDUUUUUUUUUUUUUUDDDDDDDDDDDDDUUUUUUUUUUUUUUDDDDDDDDDDDDDU...

result:

ok Valid Solution (Length = 26110).

Test #69:

score: 0
Accepted
time: 0ms
memory: 3636kb

input:

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

output:

LRLLRRLLLRRRLLLLRRRRLLLLLRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRDDRLRRLLRRRLLLRRRRLLLLRRRRRLLLLLRRRRRRLLLLLLRRRRRRRLLLLLLLRRR...

result:

ok Valid Solution (Length = 31622).

Test #70:

score: 0
Accepted
time: 0ms
memory: 3632kb

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: 1ms
memory: 3840kb

input:

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

output:

DDDDDDUUUUUULLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRLLLLLLLLRRRRRRRRLLLLLLLLLRRRRRRRRRLLLLLLLLLLRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLLLRRRRRRRRRRRRRLLLLLLLLLLLLLLRRRRRRRRRRRRRRLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRLL...

result:

ok Valid Solution (Length = 46106).

Test #72:

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

input:

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

output:

LLLLRRRRLLLLRRRRRLLLLRRRRRLLLLRRRRRLLLLRRRRRLLLLRRRRRLLLLRRRRRLLLLRRRRRLLLLRRRRRLLLLRRRRRLLLLRRRRRLLLLRRRRRLLLLRRRRRDDUUDDDUUUDDDUUUUDDDUUUUDDDUUUUDDDUUUUDDDUUUUDDDUUUUDDDUUUUDDDUUUUDDDUUUUDDDUUUULDDDUUUUDDDUUUULLLLRRRRLDDDUUUUDDDUUUULRLUDUUDDLLDDDUUUUDDDUUUULLRUDUUDDLUDLLLLRRRRRLLLLRRRRRUUDDLLLDULD...

result:

ok Valid Solution (Length = 33244).

Test #73:

score: 0
Accepted
time: 0ms
memory: 3580kb

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: 3744kb

input:

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

output:

LLLLLLLLLLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRRRRRRRRRRDDDDDDDDDDDUUUUUUUUUUUDDDDDDDDDDDDUUUUUUUUUUUUDDDDDDDDDDDDDUUUUUUUUUUUUUDDDDDDDDDDDDDUUUUUUUUUUUUUUDDDDDDDDDDDDDUUUUUUUUUUUUUUDDDDDDDDDDDDDUUUUUUUUUUUUUUDDDDDDDDDDDDDUUUUUUUUUUUUUUDDDDDDDDDDDDDUUUUUUUUUUUUUUDDDDDDDDDDDDDUUUUUUUUUUUUUUDDDDDDDDDDDDDUU...

result:

ok Valid Solution (Length = 61166).

Test #75:

score: 0
Accepted
time: 0ms
memory: 3796kb

input:

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

output:

LLLLRRRRLLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRLLLLLLLLRRRRRRRRLLLLLLLLLRRRRRRRRRLLLLLLLLLLRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLLLRRRRRRRRRRRRRLLLLLLLLLLLLLLRRRRRRRRRRRRRRLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRLLLLLL...

result:

ok Valid Solution (Length = 30334).

Test #76:

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

input:

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

output:

LLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLL...

result:

ok Valid Solution (Length = 24386).

Test #77:

score: 0
Accepted
time: 0ms
memory: 5652kb

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: 0ms
memory: 3600kb

input:

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

output:

LRRLUULRRUUULUDLLLULUDLLLULLLLLLUDLRRLRRLRRLRRLRRLUUDDUUUDDDLRRLRRLRRLRRLRRLRRLRRLRRUDLUUDDLRRUUUDDDLRUUUUUUUDDDDDDDLRRLLLLLLUULRRLRRLUUUUUUDDDDDLLULLLUUUUUDDDDDLRRLRRUUUDDDUUUUDDDDLRRLLLUUUUUUUUDDDDDDDLLLLUULRRLRRLRRLUULRRLULLLULLLLLUUDLLLLLLULUDLLUUDUUDDUUUDDDLRLRRLRRLRRLRRLRRLRRLRRLRRLRRLRRLRRLRR...

result:

ok Valid Solution (Length = 6414).

Test #79:

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

input:

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

output:

ULLRRULLLLRRRRLLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRLLLLLLLLRRRRRRRRLLLLLLLLLRRRRRRRRRLLLLLLLLLLRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLLLRRRRRRRRRRRRRLLLLLLLLLLLLLLRRRRRRRRRRRRRRLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRULLRRLLLRRRLLLLRRRRLLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRLLLLLLLLRRR...

result:

ok Valid Solution (Length = 43742).

Test #80:

score: 0
Accepted
time: 0ms
memory: 3660kb

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: 1ms
memory: 3836kb

input:

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

output:

LLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRRDDDDDUUUUUUDDDDDUUUUUUDDDDDUUUUUUDDDDDUUUUUUDDDDDUUUUUUDDDDDUUUUUUDDDDDUUUUUUDDDDDUUUUUUDDDDDUUUUUUDDDDDUUUUUUDDDDDUUUUUUDDDDDUUUUUURLRRLLRRRLLLRRRRLLLLRRRRRLLLLLRRRRRRLLLLLLRRRRRRRLLLLLLLRRRRRRRRLLLLLLLLRRRRRRRRRLLLLLLLLLRRRRRRRRRRLLLLLLLLLLRRRRRRRRRRRL...

result:

ok Valid Solution (Length = 87526).

Test #82:

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

input:

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

output:

LLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRLLLLLRRRRRRRLDDDDDDDDDDUUUUUUUUUUUDDDDDDDDDDUUUUUUUUUUULLLLLRRRRRRRLRRLLRRRLLLRRRRLLLLRRRRRLLLLLRRRRRRLLLLLLRRRRRRRLLLLLLLRRRRRRRRLLLLLLLLRRRRRRRR...

result:

ok Valid Solution (Length = 62060).

Test #83:

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

input:

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

output:

RLRRLLRRRLLLRRRRLLLLRRRRRLLLLLRRRRRRLLLLLLRRRRRRRLLLLLLLRRRRRRRRLLLLLLLLRRRRRRRRRLLLLLLLLLRRRRRRRRRRLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLLRRRRRRRRRRRRRLLLLLLLLLLLLLRRRRRRRRRRRRRRLLLLLLLLLLLLLLRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRRLLLLLLLLLLL...

result:

ok Valid Solution (Length = 28888).

Test #84:

score: 0
Accepted
time: 0ms
memory: 3636kb

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: 1ms
memory: 3712kb

input:

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

output:

LRRLRRLRRLRRLRRLRRLRRLRRLRRLRRLRRDDRLRRLLRRRLLLRRRRLLLLRRRRRLLLLLDDUUURLDRRRRRRRLLLLLLLRRRRRRRRLLLLLLLLRRRRRRRRRLLLLLLLLLDURLDRRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLLRRRRRRRRRRRRRLLLLLLLLLLLLLRRRRRRRRRRRRRRLLLLLLLLLLLLLLRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLDUDDUULRRLRR...

result:

ok Valid Solution (Length = 38412).

Test #86:

score: 0
Accepted
time: 1ms
memory: 3696kb

input:

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

output:

LLLLLLRRRRRRLLLLLLLRRRRRRRLLLLLLLLRRRRRRRRLLLLLLLLLRRRRRRRRRLLLLLLLLLLRRRRRRRRRRLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLRRRRRRRRRRRDDDDDDDDUUUUUUUUDDDDDDDDDUUUUUU...

result:

ok Valid Solution (Length = 43266).

Test #87:

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

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: 1ms
memory: 3672kb

input:

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

output:

LRLLRRLLLRRRLLLLRRRRLLLLLRRRRRLLLLLLRRRRRRLLLLLLLRRRRRRRLLLLLLLLRRRRRRRRLLLLLLLLLRRRRRRRRRLLLLLLLLLLRRRRRRRRRRLLLLLLLLLLLRRRRRRRRRRRLLLLLLLLLLLLRRRRRRRRRRRRLLLLLLLLLLLLLRRRRRRRRRRRRRLLLLLLLLLLLLLLRRRRRRRRRRRRRRLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLRRRRRRRRRRR...

result:

ok Valid Solution (Length = 57652).

Extra Test:

score: 0
Extra Test Passed