#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
int n, m; cin >> n >> m;
vector<str> v(n);
for(str &s: v) cin >> s;
vector<ll> ingots(m, 0LL);
ll ans = 0;
for(int i = n-1; i >= 0; i--){
ll orbs = 0;
for(int j = m-1; j >= 0; j--){
if(v[i][j] == 'J') ans+=orbs*ingots[j];
if(v[i][j] == 'O') orbs++;
if(v[i][j] == 'I') ingots[j]++;
}
}
cout << ans << "\n";
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
308 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
316 KB |
Output is correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 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 |
332 KB |
Output is correct |
| 12 |
Correct |
1 ms |
320 KB |
Output is correct |
| 13 |
Correct |
1 ms |
312 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
308 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
316 KB |
Output is correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 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 |
332 KB |
Output is correct |
| 12 |
Correct |
1 ms |
320 KB |
Output is correct |
| 13 |
Correct |
1 ms |
312 KB |
Output is correct |
| 14 |
Correct |
2 ms |
716 KB |
Output is correct |
| 15 |
Correct |
1 ms |
320 KB |
Output is correct |
| 16 |
Correct |
1 ms |
460 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
3 ms |
800 KB |
Output is correct |
| 19 |
Correct |
2 ms |
796 KB |
Output is correct |
| 20 |
Correct |
2 ms |
696 KB |
Output is correct |
| 21 |
Correct |
3 ms |
716 KB |
Output is correct |
| 22 |
Correct |
1 ms |
680 KB |
Output is correct |
| 23 |
Correct |
1 ms |
812 KB |
Output is correct |
| 24 |
Correct |
4 ms |
716 KB |
Output is correct |
| 25 |
Correct |
2 ms |
708 KB |
Output is correct |
| 26 |
Correct |
1 ms |
692 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
308 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
316 KB |
Output is correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 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 |
332 KB |
Output is correct |
| 12 |
Correct |
1 ms |
320 KB |
Output is correct |
| 13 |
Correct |
1 ms |
312 KB |
Output is correct |
| 14 |
Correct |
2 ms |
716 KB |
Output is correct |
| 15 |
Correct |
1 ms |
320 KB |
Output is correct |
| 16 |
Correct |
1 ms |
460 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
3 ms |
800 KB |
Output is correct |
| 19 |
Correct |
2 ms |
796 KB |
Output is correct |
| 20 |
Correct |
2 ms |
696 KB |
Output is correct |
| 21 |
Correct |
3 ms |
716 KB |
Output is correct |
| 22 |
Correct |
1 ms |
680 KB |
Output is correct |
| 23 |
Correct |
1 ms |
812 KB |
Output is correct |
| 24 |
Correct |
4 ms |
716 KB |
Output is correct |
| 25 |
Correct |
2 ms |
708 KB |
Output is correct |
| 26 |
Correct |
1 ms |
692 KB |
Output is correct |
| 27 |
Correct |
78 ms |
17732 KB |
Output is correct |
| 28 |
Correct |
1 ms |
332 KB |
Output is correct |
| 29 |
Correct |
3 ms |
1600 KB |
Output is correct |
| 30 |
Correct |
1 ms |
332 KB |
Output is correct |
| 31 |
Correct |
55 ms |
13252 KB |
Output is correct |
| 32 |
Correct |
39 ms |
18760 KB |
Output is correct |
| 33 |
Correct |
28 ms |
18828 KB |
Output is correct |
| 34 |
Correct |
62 ms |
15148 KB |
Output is correct |
| 35 |
Correct |
38 ms |
18900 KB |
Output is correct |
| 36 |
Correct |
28 ms |
18776 KB |
Output is correct |
| 37 |
Correct |
83 ms |
18884 KB |
Output is correct |
| 38 |
Correct |
26 ms |
13096 KB |
Output is correct |
| 39 |
Correct |
19 ms |
13124 KB |
Output is correct |
