#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define rep(i,n) for(long long (i)=0;(i)<(n);++(i))
#define ref(i,a,b) for (long long (i)=(a); (i)<=(b); ++(i))
#define INF 0xFFFFFF
#define endl '\n'
#define pb push_back
#define mp make_pair
const unsigned int mod = 1e9+7;
const int mx=1e5+5;
ll h,w;
char s[3001][3001];
ll row[3001][3001];
ll col[3001][3001];
int main(){
/*freopen("tavsan.gir", "r", stdin);
freopen("tavsan.cik", "w", stdout);
*/ios_base::sync_with_stdio(false);cin.tie(NULL);
cin >> h >> w;
ref(i,1,h)ref(j,1,w)cin >> s[i][j];
ref(i,1,h){
for(ll j=w;j>=1;--j){
row[i][j]=row[i][j+1]+(s[i][j]=='O');
}
}
ref(i,1,w){
for(ll j=h;j>=1;--j){
col[j][i]=col[j+1][i]+(s[j][i]=='I');
}
}
ll ans=0;
ref(i,1,h){
ref(j,1,w){
if(s[i][j]=='J'){
ans+=row[i][j+1]*col[i+1][j];
}
}
}
cout << ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
380 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
504 KB |
Output is correct |
| 5 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 6 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 7 |
Correct |
3 ms |
1528 KB |
Output is correct |
| 8 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 9 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 10 |
Correct |
3 ms |
1528 KB |
Output is correct |
| 11 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 12 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 13 |
Correct |
3 ms |
1528 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
380 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
504 KB |
Output is correct |
| 5 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 6 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 7 |
Correct |
3 ms |
1528 KB |
Output is correct |
| 8 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 9 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 10 |
Correct |
3 ms |
1528 KB |
Output is correct |
| 11 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 12 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 13 |
Correct |
3 ms |
1528 KB |
Output is correct |
| 14 |
Correct |
14 ms |
9080 KB |
Output is correct |
| 15 |
Correct |
6 ms |
5112 KB |
Output is correct |
| 16 |
Correct |
9 ms |
5368 KB |
Output is correct |
| 17 |
Correct |
2 ms |
504 KB |
Output is correct |
| 18 |
Correct |
17 ms |
9976 KB |
Output is correct |
| 19 |
Correct |
15 ms |
9864 KB |
Output is correct |
| 20 |
Correct |
15 ms |
9720 KB |
Output is correct |
| 21 |
Correct |
16 ms |
9976 KB |
Output is correct |
| 22 |
Correct |
16 ms |
9848 KB |
Output is correct |
| 23 |
Correct |
15 ms |
9848 KB |
Output is correct |
| 24 |
Correct |
17 ms |
10024 KB |
Output is correct |
| 25 |
Correct |
15 ms |
9848 KB |
Output is correct |
| 26 |
Correct |
16 ms |
9976 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
380 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
504 KB |
Output is correct |
| 5 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 6 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 7 |
Correct |
3 ms |
1528 KB |
Output is correct |
| 8 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 9 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 10 |
Correct |
3 ms |
1528 KB |
Output is correct |
| 11 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 12 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 13 |
Correct |
3 ms |
1528 KB |
Output is correct |
| 14 |
Correct |
14 ms |
9080 KB |
Output is correct |
| 15 |
Correct |
6 ms |
5112 KB |
Output is correct |
| 16 |
Correct |
9 ms |
5368 KB |
Output is correct |
| 17 |
Correct |
2 ms |
504 KB |
Output is correct |
| 18 |
Correct |
17 ms |
9976 KB |
Output is correct |
| 19 |
Correct |
15 ms |
9864 KB |
Output is correct |
| 20 |
Correct |
15 ms |
9720 KB |
Output is correct |
| 21 |
Correct |
16 ms |
9976 KB |
Output is correct |
| 22 |
Correct |
16 ms |
9848 KB |
Output is correct |
| 23 |
Correct |
15 ms |
9848 KB |
Output is correct |
| 24 |
Correct |
17 ms |
10024 KB |
Output is correct |
| 25 |
Correct |
15 ms |
9848 KB |
Output is correct |
| 26 |
Correct |
16 ms |
9976 KB |
Output is correct |
| 27 |
Correct |
521 ms |
158512 KB |
Output is correct |
| 28 |
Correct |
26 ms |
26360 KB |
Output is correct |
| 29 |
Correct |
26 ms |
13944 KB |
Output is correct |
| 30 |
Correct |
3 ms |
888 KB |
Output is correct |
| 31 |
Correct |
394 ms |
131256 KB |
Output is correct |
| 32 |
Correct |
554 ms |
158888 KB |
Output is correct |
| 33 |
Correct |
517 ms |
158328 KB |
Output is correct |
| 34 |
Correct |
490 ms |
152164 KB |
Output is correct |
| 35 |
Correct |
515 ms |
158760 KB |
Output is correct |
| 36 |
Correct |
512 ms |
158432 KB |
Output is correct |
| 37 |
Correct |
607 ms |
159060 KB |
Output is correct |
| 38 |
Correct |
368 ms |
130908 KB |
Output is correct |
| 39 |
Correct |
371 ms |
130812 KB |
Output is correct |
