#include <bits/stdc++.h>
using namespace std;
int H, W;
vector<string> V;
void solve(){
cin>>H>>W;
V.assign(H, "");
for(int i = 0; i < H; i++) cin>>V[i];
long long ans = 0;
vector<int> orbInRow(H, 0), ingotInCol(W, 0);
for(int i = 0; i < H; i++)
for(int j = 0; j < W; j++) orbInRow[i] += V[i][j] == 'O';
for(int i = 0; i < W; i++)
for(int j = 0; j < H; j++) ingotInCol[i] += V[j][i] == 'I';
for(int i = 0; i < H; i++){
for(int j = 0; j < W; j++){
if(V[i][j] == 'O') orbInRow[i]--;
if(V[i][j] == 'I') ingotInCol[j]--;
if(V[i][j] != 'J') continue;
// mi servono gli ingot sotto i
ans += (long long)orbInRow[i] * (long long)ingotInCol[j];
// cout<<"DEBUG-->"<<i+1<<" "<<j+1<<" "<<orbInRow[i] * ingotInCol[j]<<endl;
}
}
cout<<ans<<endl;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
solve();
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
316 KB |
Output is correct |
| 3 |
Correct |
0 ms |
320 KB |
Output is correct |
| 4 |
Correct |
1 ms |
316 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
0 ms |
328 KB |
Output is correct |
| 13 |
Correct |
1 ms |
328 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
316 KB |
Output is correct |
| 3 |
Correct |
0 ms |
320 KB |
Output is correct |
| 4 |
Correct |
1 ms |
316 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
0 ms |
328 KB |
Output is correct |
| 13 |
Correct |
1 ms |
328 KB |
Output is correct |
| 14 |
Correct |
3 ms |
724 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
2 ms |
568 KB |
Output is correct |
| 17 |
Correct |
1 ms |
320 KB |
Output is correct |
| 18 |
Correct |
4 ms |
816 KB |
Output is correct |
| 19 |
Correct |
3 ms |
724 KB |
Output is correct |
| 20 |
Correct |
3 ms |
744 KB |
Output is correct |
| 21 |
Correct |
4 ms |
816 KB |
Output is correct |
| 22 |
Correct |
2 ms |
724 KB |
Output is correct |
| 23 |
Correct |
2 ms |
716 KB |
Output is correct |
| 24 |
Correct |
3 ms |
852 KB |
Output is correct |
| 25 |
Correct |
2 ms |
812 KB |
Output is correct |
| 26 |
Correct |
2 ms |
724 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
316 KB |
Output is correct |
| 3 |
Correct |
0 ms |
320 KB |
Output is correct |
| 4 |
Correct |
1 ms |
316 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
0 ms |
328 KB |
Output is correct |
| 13 |
Correct |
1 ms |
328 KB |
Output is correct |
| 14 |
Correct |
3 ms |
724 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
2 ms |
568 KB |
Output is correct |
| 17 |
Correct |
1 ms |
320 KB |
Output is correct |
| 18 |
Correct |
4 ms |
816 KB |
Output is correct |
| 19 |
Correct |
3 ms |
724 KB |
Output is correct |
| 20 |
Correct |
3 ms |
744 KB |
Output is correct |
| 21 |
Correct |
4 ms |
816 KB |
Output is correct |
| 22 |
Correct |
2 ms |
724 KB |
Output is correct |
| 23 |
Correct |
2 ms |
716 KB |
Output is correct |
| 24 |
Correct |
3 ms |
852 KB |
Output is correct |
| 25 |
Correct |
2 ms |
812 KB |
Output is correct |
| 26 |
Correct |
2 ms |
724 KB |
Output is correct |
| 27 |
Correct |
145 ms |
17824 KB |
Output is correct |
| 28 |
Correct |
1 ms |
340 KB |
Output is correct |
| 29 |
Correct |
6 ms |
1620 KB |
Output is correct |
| 30 |
Correct |
1 ms |
340 KB |
Output is correct |
| 31 |
Correct |
84 ms |
13160 KB |
Output is correct |
| 32 |
Correct |
106 ms |
18800 KB |
Output is correct |
| 33 |
Correct |
108 ms |
18780 KB |
Output is correct |
| 34 |
Correct |
105 ms |
15224 KB |
Output is correct |
| 35 |
Correct |
104 ms |
18800 KB |
Output is correct |
| 36 |
Correct |
100 ms |
18968 KB |
Output is correct |
| 37 |
Correct |
139 ms |
18960 KB |
Output is correct |
| 38 |
Correct |
59 ms |
13036 KB |
Output is correct |
| 39 |
Correct |
52 ms |
13244 KB |
Output is correct |
