Submission #720004

# Submission time Handle Problem Language Result Execution time Memory
720004 2023-04-07T08:35:33 Z vjudge1 Bitaro the Brave (JOI19_ho_t1) C++17
50 / 100
278 ms 149800 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 I[N][N],O[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+=I[i][j]*O[i][j];
    }
  }
  cout << cnt;

  return 0;
}

/*
J--O
| /
I
*/
# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 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 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
# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 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 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 6 ms 4564 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 10 ms 8544 KB Output is correct
19 Correct 7 ms 8404 KB Output is correct
20 Correct 7 ms 8404 KB Output is correct
21 Correct 10 ms 8532 KB Output is correct
22 Correct 8 ms 8532 KB Output is correct
23 Correct 8 ms 8404 KB Output is correct
24 Correct 12 ms 8532 KB Output is correct
25 Correct 7 ms 8404 KB Output is correct
26 Correct 7 ms 8368 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 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 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 6 ms 4564 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 10 ms 8544 KB Output is correct
19 Correct 7 ms 8404 KB Output is correct
20 Correct 7 ms 8404 KB Output is correct
21 Correct 10 ms 8532 KB Output is correct
22 Correct 8 ms 8532 KB Output is correct
23 Correct 8 ms 8404 KB Output is correct
24 Correct 12 ms 8532 KB Output is correct
25 Correct 7 ms 8404 KB Output is correct
26 Correct 7 ms 8368 KB Output is correct
27 Incorrect 278 ms 149800 KB Output isn't correct
28 Halted 0 ms 0 KB -