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Submission #714484

# Submission time Handle Problem Language Result Execution time Memory
714484 2023-03-24T16:18:55 Z Ninedesu Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 329 ms 158988 KB 
#include<bits/stdc++.h>
using namespace std;

const int N=3001;
int n,m;
long long cnt;
long long sumO[N][N],sumI[N][N];
bool vis[N][N];
string arr[N],s;

int main(){
  ios_base::sync_with_stdio(0),cin.tie(0);
  int n,m;
  cin >> n >> m;
  for(int y=1; y<=n; y++){
    cin >> s;
    arr[y]="x"+s;
  }
  for(int i=1; i<=n; i++){
    for(int j=m; j>=1; j--){
      sumO[i][j]+=sumO[i][j+1];
      if(arr[i][j]=='O')sumO[i][j]++;
    }
  }
  for(int j=1; j<=m; j++){
    for(int i=n; i>=1; i--){
      sumI[i][j]+=sumI[i+1][j];
      if(arr[i][j]=='I')sumI[i][j]++;
    }
  }
  for(int i=1; i<=n; i++){
    for(int j=1; j<=m; j++){
      if(arr[i][j]=='J'){
        cnt+=sumO[i][j]*sumI[i][j];
      }
    }
  }
  cout << cnt;

  return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 2 ms 1364 KB Output is correct
6 Correct 1 ms 1364 KB Output is correct
7 Correct 1 ms 1236 KB Output is correct
8 Correct 2 ms 1364 KB Output is correct
9 Correct 1 ms 1364 KB Output is correct
10 Correct 1 ms 1236 KB Output is correct
11 Correct 1 ms 1364 KB Output is correct
12 Correct 1 ms 1364 KB Output is correct
13 Correct 1 ms 1236 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 2 ms 1364 KB Output is correct
6 Correct 1 ms 1364 KB Output is correct
7 Correct 1 ms 1236 KB Output is correct
8 Correct 2 ms 1364 KB Output is correct
9 Correct 1 ms 1364 KB Output is correct
10 Correct 1 ms 1236 KB Output is correct
11 Correct 1 ms 1364 KB Output is correct
12 Correct 1 ms 1364 KB Output is correct
13 Correct 1 ms 1236 KB Output is correct
14 Correct 7 ms 7636 KB Output is correct
15 Correct 3 ms 3796 KB Output is correct
16 Correct 3 ms 4564 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 9 ms 8532 KB Output is correct
19 Correct 8 ms 8404 KB Output is correct
20 Correct 7 ms 8404 KB Output is correct
21 Correct 11 ms 8776 KB Output is correct
22 Correct 9 ms 8572 KB Output is correct
23 Correct 9 ms 8616 KB Output is correct
24 Correct 11 ms 8756 KB Output is correct
25 Correct 8 ms 8624 KB Output is correct
26 Correct 7 ms 8620 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 2 ms 1364 KB Output is correct
6 Correct 1 ms 1364 KB Output is correct
7 Correct 1 ms 1236 KB Output is correct
8 Correct 2 ms 1364 KB Output is correct
9 Correct 1 ms 1364 KB Output is correct
10 Correct 1 ms 1236 KB Output is correct
11 Correct 1 ms 1364 KB Output is correct
12 Correct 1 ms 1364 KB Output is correct
13 Correct 1 ms 1236 KB Output is correct
14 Correct 7 ms 7636 KB Output is correct
15 Correct 3 ms 3796 KB Output is correct
16 Correct 3 ms 4564 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 9 ms 8532 KB Output is correct
19 Correct 8 ms 8404 KB Output is correct
20 Correct 7 ms 8404 KB Output is correct
21 Correct 11 ms 8776 KB Output is correct
22 Correct 9 ms 8572 KB Output is correct
23 Correct 9 ms 8616 KB Output is correct
24 Correct 11 ms 8756 KB Output is correct
25 Correct 8 ms 8624 KB Output is correct
26 Correct 7 ms 8620 KB Output is correct
27 Correct 288 ms 157900 KB Output is correct
28 Correct 12 ms 19540 KB Output is correct
29 Correct 13 ms 13744 KB Output is correct
30 Correct 1 ms 852 KB Output is correct
31 Correct 247 ms 130072 KB Output is correct
32 Correct 272 ms 158840 KB Output is correct
33 Correct 273 ms 158604 KB Output is correct
34 Correct 266 ms 150920 KB Output is correct
35 Correct 288 ms 158836 KB Output is correct
36 Correct 274 ms 158476 KB Output is correct
37 Correct 329 ms 158988 KB Output is correct
38 Correct 190 ms 129588 KB Output is correct
39 Correct 196 ms 129552 KB Output is correct