QOJ.ac

QOJ

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
#625895#5414. Stop, Yesterday Please No Morestudy_to_deathAC ✓19ms14468kbC++141.9kb2024-10-09 21:37:072024-10-09 21:37:07

Judging History

你现在查看的是最新测评结果

  • [2024-10-09 21:37:07]
  • 评测
  • 测评结果:AC
  • 用时:19ms
  • 内存:14468kb
  • [2024-10-09 21:37:07]
  • 提交

answer

#include<bits/stdc++.h>

using namespace std;

const int N = 1e3 + 5, M = 1e6 + 5;

int g[N][N];
char s[M];
int n, m, k;
int u, d, l, r;
int du, dd, dl, dr;
int sum[N][N], vis[N][N];

void move(char str)
{
	if(str == 'U')
	{
		if(du) du --, dd ++;
		else 
		{
			u ++;
			dd ++;
		}
	}else if(str == 'D')
	{
		if(dd) dd --, du ++;
		else{
			d --;
			du ++;
		}
	}else if(str == 'R')
	{
		if(dr) dr --, dl ++;
		else
		{
			r --;
			dl ++;
		}
	}else
	{
		if(dl) dl --, dr ++;
		else
		{
			l ++;
			dr ++;
		}
	}
}

void add(int x, int y, int lenx, int leny)
{
	sum[x][y] ++;
	int xx = x + lenx - 1;
	int yy = y + leny - 1;
	sum[x][yy + 1] --;
	sum[xx + 1][y] --;
	sum[xx + 1][yy + 1] ++;
}

signed main()
{
	int T;
	scanf("%d", &T);
	while(T -- )
	{
		int ans = 0;
		scanf("%d%d%d", &n, &m, &k);
		for(int i = 1; i <= n; i ++ )
		{
			for(int j = 1; j <= m; j ++ )
			{
				vis[i][j] = sum[i][j] = 0;
			}
		}
		scanf("%s", s + 1);
		u = l = 1;
		d = n, r = m;
		du = dd = dl = dr = 0;
		for(int i = 1; s[i]; i ++ )
		{
			move(s[i]);
		}
		if((u > d || l > r) && k)
		{
			puts("0");
			continue;
		}else if((u > d || l > r) && !k)
		{
			int ans = n * m;
			printf("%d\n", ans);
			continue;
		}
		int lenx = (d - u + 1);
		int leny = (r - l + 1);
		int num = lenx * leny;
		int x = u, y = l;
		add(u, l, lenx, leny);
		vis[u][l] = 1;
		for(int i = 1; s[i]; i ++ )
		{
			if(s[i] == 'U') x --;
			else if(s[i] == 'D') x ++;
			else if(s[i] == 'L') y --;
			else if(s[i] == 'R') y ++;
			if(!vis[x][y])
			add(x, y, lenx, leny);
			vis[x][y] = 1;
		}
		for(int i = 1; i <= n; i ++ )
		{
			for(int j = 1; j <= m; j ++ )
			{
				sum[i][j] += sum[i - 1][j] + sum[i][j - 1] - sum[i - 1][j - 1];
				if(sum[i][j] == num - k) ans ++;
			}
		}
		cout<<ans<<endl;
	}
	return 0;
 } 

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 8056kb

input:

3
4 5 3
ULDDRR
4 5 0
UUUUUUU
4 5 10
UUUUUUU

output:

2
20
0

result:

ok 3 number(s): "2 20 0"

Test #2:

score: 0
Accepted
time: 4ms
memory: 8332kb

input:

1060
19 12 0
UDLDDUUUUDDDLLRDUDUURULUUUDRDUDRDRLRLRLULULLLDLDDRLUUUURUUUDDRLLRUUUDULURUULLRDRLRDDURDUUURRRLURLRUULRRUDURDLUUURDLURDDLUUURDDRLLURRDLRUDLRDRLLRRDRDDLDRURRRLUDULLLRUUDLRRURRDLLRRRDLLRDDDLRLRURURDDDL
11 1 0
UR
3 18 33
UDRLR
17 11 132
RLDRDLDRUU
6 10 13
UULUDDLRDLUUDLDD
1 15 0
D
6 20 50
D...

output:

228
11
20
99
18
15
34
240
15
0
0
13
14
18
26
16
1
19
108
8
2
2
3
7
0
30
16
21
0
8
10
9
15
5
320
11
7
3
0
0
12
0
11
0
0
14
0
22
36
51
23
7
6
4
2
48
28
8
63
22
49
13
10
4
108
10
18
44
0
15
9
0
4
30
14
99
105
10
14
17
0
66
10
11
28
52
34
56
33
14
56
90
14
0
121
3
48
30
36
13
0
30
7
8
3
11
16
45
20
34
0...

result:

ok 1060 numbers

Test #3:

score: 0
Accepted
time: 2ms
memory: 13544kb

input:

1
1000 1000 979065
DDUULULUDULLULLDLUULURRLDURLRDLRRUURUUUDLRLUUDUUDUDLLDDDULU

output:

958416

result:

ok 1 number(s): "958416"

Test #4:

score: 0
Accepted
time: 0ms
memory: 12576kb

input:

1
1000 1000 943471
LRLDLURLDLRDRDUULULRDDLLRURDUURLLDDLDLDDLLLUUURLDRUDRLLUUUUUDLUUDLURURRDLRLRRRLULRRULURLRRDLDRLUDRRLDDLUDRRLLUDLLLRDULRRRRLDUUDRDLULUUUUDRRDULUDLLUUDLDURDRRLRRLDRLDDRURURLUULRRLDLLRLRDRRUULDLDLULLDLLRULLRUULURDURRLUUDUULLULDLRUDDLRLRLLUDDDLLLUDRRLDDULRRURRDURDDRDLLULRLULURLRDLLURD...

output:

889224

result:

ok 1 number(s): "889224"

Test #5:

score: 0
Accepted
time: 15ms
memory: 12984kb

input:

1
1000 1000 315808
LLRURURRDDDULLDDUDRDLRLLLDDDLUDRDURLDULRLRULUUDLUULUUDULLLLDDURLDUULUUDLLDLLDRUDUULRLLRLRUURLRLULLDDLLDUDLLRUUDRLDLUULDLLDRRRURDULLDRRRDURURDRLDURURUDLURLDURRLRRUDUDURDRLRRRDLRRURLURUDRRLDLRULLDLUURDURLURLLRDLRDRUURURDRUDUUUDLRRLUDLUUDUDDRRDUULUUDDRLLULDUUDRURRDRLULRLULDURLURUDLLD...

output:

426

result:

ok 1 number(s): "426"

Test #6:

score: 0
Accepted
time: 0ms
memory: 11828kb

input:

1
1000 1000 986018
LLULDRRRDDURRUDRUURRRDDLUUDUULRULRDULLD

output:

972180

result:

ok 1 number(s): "972180"

Test #7:

score: 0
Accepted
time: 0ms
memory: 12836kb

input:

1
1000 1000 945431
DDRRURUUDLDULLDLDDLRULDLLDDRRLUDRLUURRLDRDLURUURRRRLRURLURULLLDRDDDRRRLDLDRLRDDUURRURDDDLRUURLUURLRDUDDDLLDUURLDLUDLLRRDUUDRLUULLUULDLURRUDLUURLRLRURDUDRRRDRLRUDLLLLURLULRLRLRRDDUDLRLDUUUULUDLLURRLURRDLRURRRULDDLLLRLRDLUDLLDDRULDUULRDDUUDDUDLURDULLDUDDLULRULDRLDDULDULLUDLULUDRURRR...

output:

893000

result:

ok 1 number(s): "893000"

Test #8:

score: 0
Accepted
time: 19ms
memory: 12732kb

input:

1
1000 1000 460035
RDDUURDULDDLDDLDDLDRRULLRLUURLURRRDRUDDDRDLDLDULUDLRLLRRLRRURRRDLRLUDRDURULDRRDDDDDDLRLDULUULDUDRLLUUUURUUDRURLRRULDRDRUUUUULULRURDDRLRULLLRDRRULUDDUDDLLLRDRUULUUDDRLURDLDURRDLRRLDRRUDLUULRDLURULLDLRLLDDURDUDLDULDLLRULRDLRLUULLUDRUDDDLRRDULULLRUURLUURRLLLLRLDRURLLRLDRRDDDRLUUUUDUL...

output:

417

result:

ok 1 number(s): "417"

Test #9:

score: 0
Accepted
time: 4ms
memory: 13264kb

input:

1
1000 1000 992010
LLLLLDLDRRLUDRR

output:

1999

result:

ok 1 number(s): "1999"

Test #10:

score: 0
Accepted
time: 2ms
memory: 11756kb

input:

1
1000 1000 919600
LLDLRUDRLURRUDRDRRDLRUDLRRRUUULDLDURDDDRUURRRLLURULDRLRLULLULDRULULRLRRRURLDDDRUUULUDLLLLRRLLRDDRDULUDLRLRLDRLUDUDURRULUULLDULUULDLLDRDULUDLDULDDUULDDRRURDRDULRRLDRRDUURURRLUUUDRRLDRRDDLULRDDLDLLRLRLLLRULUUUURRRLDLRUDRRLRURDRLDULLLUDRULLDLDRRUUDLRRLLRLDDLUDLRLRRURUUDUULUDURDURRLUU...

output:

944

result:

ok 1 number(s): "944"

Test #11:

score: 0
Accepted
time: 16ms
memory: 14468kb

input:

1
1000 1000 804351
DLRLDLLLLUDRDURRLDDRRLRUULURURDDDRDLRUDDULRRLLULURDRUUDRURRLURRRDRURRDRLULRDLRRDRRDDUDLUDLDULRUURRLRUUDRLDDRDDUUDULUULUUUDLRURULLRDUUDDDRRLDRUDDUUDRURLRDRUDLRLDDRRLLRLRDUDDULLULRLLDDUDDDUULDULLRRULULDUUULUDRRDRLUDLRRDDUDLRRDDLDLDRUULRRRRRLRLULLRDDRDDDULDRRURUDDLURLRLURLRDRULUDULUU...

output:

640000

result:

ok 1 number(s): "640000"