#include "bits/stdc++.h"
using namespace std;
#define ll long long
#define forn(i,n) for(int i=0;i<n;i++)
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(),v.rend()
#define pb push_back
#define sz(a) (int)a.size()
const int N = 2005;
char c[N][N];
ll a[N][N], b[N][N];
void solve() {
int n, m;
cin >> n >> m;
for(int i = 0;i < n; ++i) {
for(int j = 0;j < m; ++j) {
cin >> c[i][j];
}
}
for(int i = 0;i < n; ++i) {
for(int j = m - 1; j >= 0; --j) {
a[i][j] = a[i][j + 1];
if(c[i][j] == 'O') ++a[i][j];
}
}
for(int i = 0;i < m; ++i) {
for(int j = n - 1;j >= 0; --j) {
b[i][j] = b[i][j + 1];
if(c[j][i] == 'I') ++b[i][j];
}
}
ll ans = 0;
for(int i = 0;i < n; ++i) {
for(int j = 0;j < m; ++j) {
if(c[i][j] != 'J') continue;
ans += a[i][j + 1] * b[j][i + 1];
}
}
cout << ans << "\n";
}
int32_t main() {
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
int t = 1;
//cin >> t;
while(t--) {
solve();
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
316 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
1492 KB |
Output is correct |
6 |
Correct |
1 ms |
1336 KB |
Output is correct |
7 |
Correct |
1 ms |
1356 KB |
Output is correct |
8 |
Correct |
2 ms |
1484 KB |
Output is correct |
9 |
Correct |
1 ms |
1356 KB |
Output is correct |
10 |
Correct |
1 ms |
1356 KB |
Output is correct |
11 |
Correct |
1 ms |
1484 KB |
Output is correct |
12 |
Correct |
1 ms |
1356 KB |
Output is correct |
13 |
Correct |
1 ms |
1356 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
316 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
1492 KB |
Output is correct |
6 |
Correct |
1 ms |
1336 KB |
Output is correct |
7 |
Correct |
1 ms |
1356 KB |
Output is correct |
8 |
Correct |
2 ms |
1484 KB |
Output is correct |
9 |
Correct |
1 ms |
1356 KB |
Output is correct |
10 |
Correct |
1 ms |
1356 KB |
Output is correct |
11 |
Correct |
1 ms |
1484 KB |
Output is correct |
12 |
Correct |
1 ms |
1356 KB |
Output is correct |
13 |
Correct |
1 ms |
1356 KB |
Output is correct |
14 |
Correct |
10 ms |
8120 KB |
Output is correct |
15 |
Correct |
2 ms |
2892 KB |
Output is correct |
16 |
Correct |
6 ms |
5964 KB |
Output is correct |
17 |
Correct |
1 ms |
1612 KB |
Output is correct |
18 |
Correct |
11 ms |
9444 KB |
Output is correct |
19 |
Correct |
9 ms |
9132 KB |
Output is correct |
20 |
Correct |
11 ms |
9292 KB |
Output is correct |
21 |
Correct |
11 ms |
9420 KB |
Output is correct |
22 |
Correct |
9 ms |
9164 KB |
Output is correct |
23 |
Correct |
9 ms |
9292 KB |
Output is correct |
24 |
Correct |
13 ms |
9420 KB |
Output is correct |
25 |
Correct |
9 ms |
9140 KB |
Output is correct |
26 |
Correct |
9 ms |
9292 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
316 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
1492 KB |
Output is correct |
6 |
Correct |
1 ms |
1336 KB |
Output is correct |
7 |
Correct |
1 ms |
1356 KB |
Output is correct |
8 |
Correct |
2 ms |
1484 KB |
Output is correct |
9 |
Correct |
1 ms |
1356 KB |
Output is correct |
10 |
Correct |
1 ms |
1356 KB |
Output is correct |
11 |
Correct |
1 ms |
1484 KB |
Output is correct |
12 |
Correct |
1 ms |
1356 KB |
Output is correct |
13 |
Correct |
1 ms |
1356 KB |
Output is correct |
14 |
Correct |
10 ms |
8120 KB |
Output is correct |
15 |
Correct |
2 ms |
2892 KB |
Output is correct |
16 |
Correct |
6 ms |
5964 KB |
Output is correct |
17 |
Correct |
1 ms |
1612 KB |
Output is correct |
18 |
Correct |
11 ms |
9444 KB |
Output is correct |
19 |
Correct |
9 ms |
9132 KB |
Output is correct |
20 |
Correct |
11 ms |
9292 KB |
Output is correct |
21 |
Correct |
11 ms |
9420 KB |
Output is correct |
22 |
Correct |
9 ms |
9164 KB |
Output is correct |
23 |
Correct |
9 ms |
9292 KB |
Output is correct |
24 |
Correct |
13 ms |
9420 KB |
Output is correct |
25 |
Correct |
9 ms |
9140 KB |
Output is correct |
26 |
Correct |
9 ms |
9292 KB |
Output is correct |
27 |
Runtime error |
70 ms |
14148 KB |
Execution killed with signal 11 |
28 |
Halted |
0 ms |
0 KB |
- |