#include <bits/stdc++.h>
using namespace std;
const int nmax = 1e3 + 1;
char mat[nmax][nmax];
int O[nmax], I[nmax];
int main() {
int n, m;
cin >> n >> m;
for(int i = 1; i <= n; i ++) {
for(int j = 1; j <= m; j ++) {
cin >> mat[i][j];
if(mat[i][j] == 'O') {
O[i] ++;
}
if(mat[i][j] == 'I') {
I[j] ++;
}
}
}
long long ans = 0;
for(int i = 1; i <= n; i ++) {
for(int j = 1; j <= n; j ++) {
if(mat[i][j] == 'J') {
ans += (long long) I[j] * O[i];
}
}
}
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |