oj.uz

Submission #529128

# Submission time Handle Problem Language Result Execution time Memory
529128 2022-02-22T09:23:03 Z Gurban Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 186 ms 88528 KB 
#include <bits/stdc++.h>
using namespace std;

using ll = long long;

const int maxn=3e3+5;
int n,m;
char c[maxn][maxn];
int dp[2][maxn][maxn];

int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);

	cin >> n >> m;
	for(int i = 1;i <= n;i++){
		for(int j = 1;j <= m;j++){
			cin >> c[i][j];
			dp[0][i][j] = dp[0][i - 1][j] + (c[i][j] == 'I');
			dp[1][i][j] = dp[1][i][j - 1] + (c[i][j] == 'O');
		}
	}

	ll ans = 0;
	for(int i = 1;i <= n;i++){
		for(int j = 1;j <= m;j++){
			if(c[i][j] != 'J') continue;
			// cout<<i<<' '<<j<<' '<<dp[0][n][j]<<' '<<dp[0][i][j]<<' '<<dp[1][i][m]<<' '<<dp[1][i][j]<<'\n';
			ans += (dp[0][n][j] - dp[0][i][j]) * (dp[1][i][m] - dp[1][i][j]);
		}
	}
	cout<<ans;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 320 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 1484 KB Output is correct
6 Correct 1 ms 1476 KB Output is correct
7 Correct 1 ms 1356 KB Output is correct
8 Correct 1 ms 1412 KB Output is correct
9 Correct 1 ms 1472 KB Output is correct
10 Correct 1 ms 1356 KB Output is correct
11 Correct 2 ms 1476 KB Output is correct
12 Correct 1 ms 1484 KB Output is correct
13 Correct 2 ms 1356 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 320 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 1484 KB Output is correct
6 Correct 1 ms 1476 KB Output is correct
7 Correct 1 ms 1356 KB Output is correct
8 Correct 1 ms 1412 KB Output is correct
9 Correct 1 ms 1472 KB Output is correct
10 Correct 1 ms 1356 KB Output is correct
11 Correct 2 ms 1476 KB Output is correct
12 Correct 1 ms 1484 KB Output is correct
13 Correct 2 ms 1356 KB Output is correct
14 Correct 6 ms 7400 KB Output is correct
15 Correct 3 ms 4936 KB Output is correct
16 Correct 4 ms 4264 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 8 ms 8012 KB Output is correct
19 Correct 7 ms 7864 KB Output is correct
20 Correct 8 ms 7760 KB Output is correct
21 Correct 9 ms 8012 KB Output is correct
22 Correct 7 ms 7884 KB Output is correct
23 Correct 10 ms 7760 KB Output is correct
24 Correct 9 ms 7996 KB Output is correct
25 Correct 7 ms 7884 KB Output is correct
26 Correct 7 ms 7740 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 320 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 1484 KB Output is correct
6 Correct 1 ms 1476 KB Output is correct
7 Correct 1 ms 1356 KB Output is correct
8 Correct 1 ms 1412 KB Output is correct
9 Correct 1 ms 1472 KB Output is correct
10 Correct 1 ms 1356 KB Output is correct
11 Correct 2 ms 1476 KB Output is correct
12 Correct 1 ms 1484 KB Output is correct
13 Correct 2 ms 1356 KB Output is correct
14 Correct 6 ms 7400 KB Output is correct
15 Correct 3 ms 4936 KB Output is correct
16 Correct 4 ms 4264 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 8 ms 8012 KB Output is correct
19 Correct 7 ms 7864 KB Output is correct
20 Correct 8 ms 7760 KB Output is correct
21 Correct 9 ms 8012 KB Output is correct
22 Correct 7 ms 7884 KB Output is correct
23 Correct 10 ms 7760 KB Output is correct
24 Correct 9 ms 7996 KB Output is correct
25 Correct 7 ms 7884 KB Output is correct
26 Correct 7 ms 7740 KB Output is correct
27 Correct 170 ms 88024 KB Output is correct
28 Correct 13 ms 25932 KB Output is correct
29 Correct 17 ms 7748 KB Output is correct
30 Correct 1 ms 588 KB Output is correct
31 Correct 128 ms 72560 KB Output is correct
32 Correct 159 ms 88416 KB Output is correct
33 Correct 156 ms 88196 KB Output is correct
34 Correct 161 ms 84108 KB Output is correct
35 Correct 157 ms 88504 KB Output is correct
36 Correct 173 ms 88160 KB Output is correct
37 Correct 186 ms 88528 KB Output is correct
38 Correct 118 ms 72536 KB Output is correct
39 Correct 140 ms 72264 KB Output is correct