#include<bits/stdc++.h>
using namespace std;
using ll = long long;
int main(){
ios::sync_with_stdio(0);cin.tie(0);
ll h,w;
cin >> h >> w;
vector<string> a(h);
for(auto &o : a) cin >> o;
vector<ll> orb(h,0),ingot(w,0);
for(ll i = 0;i<h;i++){
for(ll j = 0;j<w;j++){
if (a[i][j]=='O') orb[i]++;
if (a[i][j]=='I') ingot[j]++;
}
}
ll ans = 0;
for(ll i = 0;i<h;i++){
for(ll j = 0;j<w;j++){
if (a[i][j]=='J') ans += orb[i]*ingot[j];
}
}
cout << ans << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 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 |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 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 |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |