#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
string mp[3005];
ll i_cnt[3005][3005];
ll o_cnt[3005][3005],ans;
int32_t main() {
ios_base::sync_with_stdio(false);cin.tie(0);
int h,w;
cin>>h>>w;
for(int x=0;x<h;x++){
cin>>mp[x];
}
for(int x=0;x<h;x++){
for(int i=w-1;i>=0;i--){
o_cnt[x][i]=o_cnt[x][i+1];
if(mp[x][i]=='O')o_cnt[x][i]++;
}
}
for(int x=0;x<w;x++){
for(int i=h-1;i>=0;i--){
i_cnt[i][x]=i_cnt[i+1][x];
if(mp[i][x]=='I')i_cnt[i][x]++;
}
}
for(int x=0;x<h;x++){
for(int y=0;y<w;y++){
if(mp[x][y]=='J')ans+=o_cnt[x][y+1]*i_cnt[x+1][y];
}
}
cout<<ans<<'\n';
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
504 KB |
Output is correct |
| 4 |
Correct |
5 ms |
504 KB |
Output is correct |
| 5 |
Correct |
5 ms |
1272 KB |
Output is correct |
| 6 |
Correct |
6 ms |
1400 KB |
Output is correct |
| 7 |
Correct |
5 ms |
1272 KB |
Output is correct |
| 8 |
Correct |
5 ms |
1400 KB |
Output is correct |
| 9 |
Correct |
5 ms |
1400 KB |
Output is correct |
| 10 |
Correct |
5 ms |
1272 KB |
Output is correct |
| 11 |
Correct |
6 ms |
1400 KB |
Output is correct |
| 12 |
Correct |
5 ms |
1400 KB |
Output is correct |
| 13 |
Correct |
5 ms |
1272 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
504 KB |
Output is correct |
| 4 |
Correct |
5 ms |
504 KB |
Output is correct |
| 5 |
Correct |
5 ms |
1272 KB |
Output is correct |
| 6 |
Correct |
6 ms |
1400 KB |
Output is correct |
| 7 |
Correct |
5 ms |
1272 KB |
Output is correct |
| 8 |
Correct |
5 ms |
1400 KB |
Output is correct |
| 9 |
Correct |
5 ms |
1400 KB |
Output is correct |
| 10 |
Correct |
5 ms |
1272 KB |
Output is correct |
| 11 |
Correct |
6 ms |
1400 KB |
Output is correct |
| 12 |
Correct |
5 ms |
1400 KB |
Output is correct |
| 13 |
Correct |
5 ms |
1272 KB |
Output is correct |
| 14 |
Correct |
12 ms |
7672 KB |
Output is correct |
| 15 |
Correct |
7 ms |
3960 KB |
Output is correct |
| 16 |
Correct |
8 ms |
4728 KB |
Output is correct |
| 17 |
Correct |
5 ms |
504 KB |
Output is correct |
| 18 |
Correct |
13 ms |
8568 KB |
Output is correct |
| 19 |
Correct |
11 ms |
8440 KB |
Output is correct |
| 20 |
Correct |
11 ms |
8440 KB |
Output is correct |
| 21 |
Correct |
13 ms |
8568 KB |
Output is correct |
| 22 |
Correct |
11 ms |
8440 KB |
Output is correct |
| 23 |
Correct |
11 ms |
8440 KB |
Output is correct |
| 24 |
Correct |
13 ms |
8572 KB |
Output is correct |
| 25 |
Correct |
13 ms |
8696 KB |
Output is correct |
| 26 |
Correct |
11 ms |
8440 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
504 KB |
Output is correct |
| 4 |
Correct |
5 ms |
504 KB |
Output is correct |
| 5 |
Correct |
5 ms |
1272 KB |
Output is correct |
| 6 |
Correct |
6 ms |
1400 KB |
Output is correct |
| 7 |
Correct |
5 ms |
1272 KB |
Output is correct |
| 8 |
Correct |
5 ms |
1400 KB |
Output is correct |
| 9 |
Correct |
5 ms |
1400 KB |
Output is correct |
| 10 |
Correct |
5 ms |
1272 KB |
Output is correct |
| 11 |
Correct |
6 ms |
1400 KB |
Output is correct |
| 12 |
Correct |
5 ms |
1400 KB |
Output is correct |
| 13 |
Correct |
5 ms |
1272 KB |
Output is correct |
| 14 |
Correct |
12 ms |
7672 KB |
Output is correct |
| 15 |
Correct |
7 ms |
3960 KB |
Output is correct |
| 16 |
Correct |
8 ms |
4728 KB |
Output is correct |
| 17 |
Correct |
5 ms |
504 KB |
Output is correct |
| 18 |
Correct |
13 ms |
8568 KB |
Output is correct |
| 19 |
Correct |
11 ms |
8440 KB |
Output is correct |
| 20 |
Correct |
11 ms |
8440 KB |
Output is correct |
| 21 |
Correct |
13 ms |
8568 KB |
Output is correct |
| 22 |
Correct |
11 ms |
8440 KB |
Output is correct |
| 23 |
Correct |
11 ms |
8440 KB |
Output is correct |
| 24 |
Correct |
13 ms |
8572 KB |
Output is correct |
| 25 |
Correct |
13 ms |
8696 KB |
Output is correct |
| 26 |
Correct |
11 ms |
8440 KB |
Output is correct |
| 27 |
Correct |
361 ms |
150776 KB |
Output is correct |
| 28 |
Correct |
16 ms |
19576 KB |
Output is correct |
| 29 |
Correct |
18 ms |
13308 KB |
Output is correct |
| 30 |
Correct |
6 ms |
1148 KB |
Output is correct |
| 31 |
Correct |
266 ms |
124632 KB |
Output is correct |
| 32 |
Correct |
350 ms |
151160 KB |
Output is correct |
| 33 |
Correct |
329 ms |
150904 KB |
Output is correct |
| 34 |
Correct |
306 ms |
144620 KB |
Output is correct |
| 35 |
Correct |
348 ms |
151288 KB |
Output is correct |
| 36 |
Correct |
325 ms |
150776 KB |
Output is correct |
| 37 |
Correct |
393 ms |
151288 KB |
Output is correct |
| 38 |
Correct |
228 ms |
124024 KB |
Output is correct |
| 39 |
Correct |
222 ms |
124152 KB |
Output is correct |
