#include "bits/stdc++.h"
using namespace std;
using i64 = long long;
using u64 = unsigned long long;
using i32 = int;
using u32 = unsigned;
using i16 = short;
using u16 = unsigned short;
using ld = long double;
using ii = pair<int, int>;
void solve() {
int n, m;
cin >> n >> m;
vector<string> g(n);
auto cols = vector<vector<int>>(n + 1, vector<int>(m));
auto rows = vector<vector<int>>(n, vector<int>(m + 1));
i64 cnt = 0;
fill(cols[0].begin(), cols[0].end(), 0);
for(int i = 0; i < n; ++i) {
cin >> g[i];
rows[i][0] = 0;
for(int j = 0; j < m; ++j) {
rows[i][j + 1] = rows[i][j];
cols[i + 1][j] = cols[i][j];
if(g[i][j] == 'O') ++rows[i][j + 1];
else if(g[i][j] == 'I') ++cols[i + 1][j];
}
}
for(int i = 0; i < n; ++i) {
for(int j = 0; j < m; ++j) {
if(g[i][j] != 'J') continue;
cnt += (0ll + rows[i][m] - rows[i][j]) * (cols[n][j] - cols[i][j]);
}
}
cout << cnt << '\n';
}
int main() {
ios_base :: sync_with_stdio(false);
cin.tie(0);
int t = 1;
//cin >> t;
while(t--) solve();
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
388 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
316 KB |
Output is correct |
| 12 |
Correct |
1 ms |
312 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
388 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
316 KB |
Output is correct |
| 12 |
Correct |
1 ms |
312 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
4 ms |
2252 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
6 ms |
2764 KB |
Output is correct |
| 19 |
Correct |
3 ms |
2636 KB |
Output is correct |
| 20 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 21 |
Correct |
5 ms |
2764 KB |
Output is correct |
| 22 |
Correct |
3 ms |
2636 KB |
Output is correct |
| 23 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 24 |
Correct |
5 ms |
2756 KB |
Output is correct |
| 25 |
Correct |
3 ms |
2636 KB |
Output is correct |
| 26 |
Correct |
3 ms |
2764 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
388 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
316 KB |
Output is correct |
| 12 |
Correct |
1 ms |
312 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
4 ms |
2252 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
6 ms |
2764 KB |
Output is correct |
| 19 |
Correct |
3 ms |
2636 KB |
Output is correct |
| 20 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 21 |
Correct |
5 ms |
2764 KB |
Output is correct |
| 22 |
Correct |
3 ms |
2636 KB |
Output is correct |
| 23 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 24 |
Correct |
5 ms |
2756 KB |
Output is correct |
| 25 |
Correct |
3 ms |
2636 KB |
Output is correct |
| 26 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 27 |
Correct |
164 ms |
84456 KB |
Output is correct |
| 28 |
Correct |
1 ms |
716 KB |
Output is correct |
| 29 |
Correct |
7 ms |
6724 KB |
Output is correct |
| 30 |
Correct |
1 ms |
460 KB |
Output is correct |
| 31 |
Correct |
124 ms |
62288 KB |
Output is correct |
| 32 |
Correct |
107 ms |
88944 KB |
Output is correct |
| 33 |
Correct |
103 ms |
89284 KB |
Output is correct |
| 34 |
Correct |
132 ms |
72108 KB |
Output is correct |
| 35 |
Correct |
97 ms |
88900 KB |
Output is correct |
| 36 |
Correct |
103 ms |
89500 KB |
Output is correct |
| 37 |
Correct |
175 ms |
89508 KB |
Output is correct |
| 38 |
Correct |
71 ms |
61780 KB |
Output is correct |
| 39 |
Correct |
71 ms |
61964 KB |
Output is correct |
