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Submission #945075

# Submission time Handle Problem Language Result Execution time Memory
945075 2024-03-13T11:28:10 Z TitanicXDzz Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 204 ms 162396 KB 
#include<bits/stdc++.h>
using namespace std;
string s[3010];
long long oo[3010][3010];
long long ii[3010][3010];
int main(){
  int n;
  int m;
  long long sumi=0;
  cin>>n>>m;
  for(int i=0;i<n;i++){
    cin>>s[i];
  }
  for(int i=0;i<n;i++){
    for(int j=0;j<m;j++){
        if(i==0)
          ii[i][j]=0;
        if(j==0)
          oo[i][j]=0;
        if(s[i][j]=='O')
            oo[i][j]=oo[i][j-1]+1;
        else
            oo[i][j]=oo[i][j-1];
        if(s[i][j]=='I')
            ii[i][j]=ii[i-1][j]+1;
        else
            ii[i][j]=ii[i-1][j];
    }
  }
  for(int i=0;i<n;i++){
    for(int j=0;j<m;j++){
        if(s[i][j]=='J'){
            sumi+=(ii[n-1][j]-ii[i][j])*(oo[i][m-1]-oo[i][j]);
        }
    }
  }
  cout<<sumi;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 8792 KB Output is correct
6 Correct 1 ms 8796 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Correct 4 ms 8740 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 8796 KB Output is correct
12 Correct 1 ms 8796 KB Output is correct
13 Correct 1 ms 6748 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 8792 KB Output is correct
6 Correct 1 ms 8796 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Correct 4 ms 8740 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 8796 KB Output is correct
12 Correct 1 ms 8796 KB Output is correct
13 Correct 1 ms 6748 KB Output is correct
14 Correct 8 ms 27484 KB Output is correct
15 Correct 3 ms 23132 KB Output is correct
16 Correct 4 ms 15196 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 8 ms 27740 KB Output is correct
19 Correct 7 ms 27484 KB Output is correct
20 Correct 7 ms 27724 KB Output is correct
21 Correct 8 ms 27940 KB Output is correct
22 Correct 8 ms 27716 KB Output is correct
23 Correct 9 ms 27984 KB Output is correct
24 Correct 9 ms 27996 KB Output is correct
25 Correct 7 ms 27704 KB Output is correct
26 Correct 8 ms 27740 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 8792 KB Output is correct
6 Correct 1 ms 8796 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Correct 4 ms 8740 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 8796 KB Output is correct
12 Correct 1 ms 8796 KB Output is correct
13 Correct 1 ms 6748 KB Output is correct
14 Correct 8 ms 27484 KB Output is correct
15 Correct 3 ms 23132 KB Output is correct
16 Correct 4 ms 15196 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 8 ms 27740 KB Output is correct
19 Correct 7 ms 27484 KB Output is correct
20 Correct 7 ms 27724 KB Output is correct
21 Correct 8 ms 27940 KB Output is correct
22 Correct 8 ms 27716 KB Output is correct
23 Correct 9 ms 27984 KB Output is correct
24 Correct 9 ms 27996 KB Output is correct
25 Correct 7 ms 27704 KB Output is correct
26 Correct 8 ms 27740 KB Output is correct
27 Correct 204 ms 161900 KB Output is correct
28 Correct 12 ms 113244 KB Output is correct
29 Correct 13 ms 16476 KB Output is correct
30 Correct 1 ms 4700 KB Output is correct
31 Correct 137 ms 137200 KB Output is correct
32 Correct 175 ms 162220 KB Output is correct
33 Correct 167 ms 162316 KB Output is correct
34 Correct 157 ms 158036 KB Output is correct
35 Correct 176 ms 162096 KB Output is correct
36 Correct 170 ms 162128 KB Output is correct
37 Correct 202 ms 162396 KB Output is correct
38 Correct 126 ms 137484 KB Output is correct
39 Correct 120 ms 137200 KB Output is correct