oj.uz

Submission #402337

# Submission time Handle Problem Language Result Execution time Memory
402337 2021-05-11T15:35:18 Z fadi57 Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 320 ms 91004 KB 
#include<bits/stdc++.h>
using namespace std;
const int mx=3002;
typedef long long ll;
int inf=1e9+10;
const int mod=1e9+7;
int n,m;

int dp[mx][mx];
int dp2[mx][mx];
string s[mx];
int main(){
cin>>n>>m;

 for(int i=0;i<n;i++){
    cin>>s[i];
 }

for(int i=0;i<n;i++){
    for(int j=m-1;j>=0;j--){
        dp[i][j]=(s[i][j]=='O')+dp[i][j+1];
    }

  }
  ll ans=0;
  for(int i=n-1;i>=0;i--){
    for(int j=m-1;j>=0;j--){
        dp2[i][j]=(s[i][j]=='I')+dp2[i+1][j];
    }

  }
  for(int i=0;i<n;i++){
    for(int j=0;j<m;j++){
      if(s[i][j]=='J'){
        ans+=dp[i][j]*dp2[i][j];
      }
    }

  }
  cout<<ans;
 }

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 396 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 2 ms 1228 KB Output is correct
6 Correct 2 ms 1228 KB Output is correct
7 Correct 2 ms 1168 KB Output is correct
8 Correct 2 ms 1228 KB Output is correct
9 Correct 2 ms 1228 KB Output is correct
10 Correct 2 ms 1100 KB Output is correct
11 Correct 2 ms 1228 KB Output is correct
12 Correct 2 ms 1228 KB Output is correct
13 Correct 2 ms 1100 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 396 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 2 ms 1228 KB Output is correct
6 Correct 2 ms 1228 KB Output is correct
7 Correct 2 ms 1168 KB Output is correct
8 Correct 2 ms 1228 KB Output is correct
9 Correct 2 ms 1228 KB Output is correct
10 Correct 2 ms 1100 KB Output is correct
11 Correct 2 ms 1228 KB Output is correct
12 Correct 2 ms 1228 KB Output is correct
13 Correct 2 ms 1100 KB Output is correct
14 Correct 10 ms 6348 KB Output is correct
15 Correct 4 ms 3788 KB Output is correct
16 Correct 7 ms 3812 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 13 ms 7096 KB Output is correct
19 Correct 11 ms 6728 KB Output is correct
20 Correct 11 ms 6860 KB Output is correct
21 Correct 13 ms 7100 KB Output is correct
22 Correct 11 ms 6684 KB Output is correct
23 Correct 11 ms 6936 KB Output is correct
24 Correct 13 ms 6988 KB Output is correct
25 Correct 11 ms 6692 KB Output is correct
26 Correct 11 ms 6876 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 396 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 2 ms 1228 KB Output is correct
6 Correct 2 ms 1228 KB Output is correct
7 Correct 2 ms 1168 KB Output is correct
8 Correct 2 ms 1228 KB Output is correct
9 Correct 2 ms 1228 KB Output is correct
10 Correct 2 ms 1100 KB Output is correct
11 Correct 2 ms 1228 KB Output is correct
12 Correct 2 ms 1228 KB Output is correct
13 Correct 2 ms 1100 KB Output is correct
14 Correct 10 ms 6348 KB Output is correct
15 Correct 4 ms 3788 KB Output is correct
16 Correct 7 ms 3812 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 13 ms 7096 KB Output is correct
19 Correct 11 ms 6728 KB Output is correct
20 Correct 11 ms 6860 KB Output is correct
21 Correct 13 ms 7100 KB Output is correct
22 Correct 11 ms 6684 KB Output is correct
23 Correct 11 ms 6936 KB Output is correct
24 Correct 13 ms 6988 KB Output is correct
25 Correct 11 ms 6692 KB Output is correct
26 Correct 11 ms 6876 KB Output is correct
27 Correct 300 ms 90464 KB Output is correct
28 Correct 12 ms 19276 KB Output is correct
29 Correct 24 ms 8064 KB Output is correct
30 Correct 2 ms 588 KB Output is correct
31 Correct 233 ms 74884 KB Output is correct
32 Correct 283 ms 90896 KB Output is correct
33 Correct 290 ms 90768 KB Output is correct
34 Correct 260 ms 86608 KB Output is correct
35 Correct 286 ms 90828 KB Output is correct
36 Correct 290 ms 90736 KB Output is correct
37 Correct 320 ms 91004 KB Output is correct
38 Correct 219 ms 74536 KB Output is correct
39 Correct 202 ms 74296 KB Output is correct