oj.uz

Submission #720023

# Submission time Handle Problem Language Result Execution time Memory
720023 2023-04-07T08:57:25 Z vjudge1 Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 309 ms 150236 KB 
#include<bits/stdc++.h>
#define ll unsigned long long
using namespace std;

const int N=3001;
int n,m;
ll cnt;
string mp[N],s;
ll O[N][N],I[N][N];

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

  return 0;
}

/*
J--O
| /
I
*/

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 1388 KB Output is correct
6 Correct 1 ms 1364 KB Output is correct
7 Correct 1 ms 1236 KB Output is correct
8 Correct 1 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 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 1388 KB Output is correct
6 Correct 1 ms 1364 KB Output is correct
7 Correct 1 ms 1236 KB Output is correct
8 Correct 1 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 2 ms 3796 KB Output is correct
16 Correct 4 ms 4564 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 9 ms 8604 KB Output is correct
19 Correct 7 ms 8340 KB Output is correct
20 Correct 7 ms 8404 KB Output is correct
21 Correct 9 ms 8584 KB Output is correct
22 Correct 8 ms 8404 KB Output is correct
23 Correct 7 ms 8404 KB Output is correct
24 Correct 9 ms 8532 KB Output is correct
25 Correct 7 ms 8420 KB Output is correct
26 Correct 7 ms 8404 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 1388 KB Output is correct
6 Correct 1 ms 1364 KB Output is correct
7 Correct 1 ms 1236 KB Output is correct
8 Correct 1 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 2 ms 3796 KB Output is correct
16 Correct 4 ms 4564 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 9 ms 8604 KB Output is correct
19 Correct 7 ms 8340 KB Output is correct
20 Correct 7 ms 8404 KB Output is correct
21 Correct 9 ms 8584 KB Output is correct
22 Correct 8 ms 8404 KB Output is correct
23 Correct 7 ms 8404 KB Output is correct
24 Correct 9 ms 8532 KB Output is correct
25 Correct 7 ms 8420 KB Output is correct
26 Correct 7 ms 8404 KB Output is correct
27 Correct 274 ms 149708 KB Output is correct
28 Correct 13 ms 19540 KB Output is correct
29 Correct 13 ms 13116 KB Output is correct
30 Correct 1 ms 852 KB Output is correct
31 Correct 210 ms 124116 KB Output is correct
32 Correct 249 ms 150148 KB Output is correct
33 Correct 252 ms 149680 KB Output is correct
34 Correct 241 ms 143740 KB Output is correct
35 Correct 250 ms 150136 KB Output is correct
36 Correct 248 ms 149720 KB Output is correct
37 Correct 309 ms 150236 KB Output is correct
38 Correct 185 ms 123452 KB Output is correct
39 Correct 183 ms 123388 KB Output is correct