oj.uz

Submission #922227

# Submission time Handle Problem Language Result Execution time Memory
922227 2024-02-05T09:09:11 Z Aiperiii Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 312 ms 159828 KB 
#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
const int N=3005;
char a[N][N];
int cntO[N][N],cntI[N][N];
signed main(){
   ios_base::sync_with_stdio();
   cin.tie(0);cout.tie(0);
   int h,w;
   cin>>h>>w;
   char a[h][w];
   for(int i=0;i<h;i++){
      for(int j=0;j<w;j++){
         cin>>a[i][j];
      }
   }
   for(int i=0;i<h;i++){
      int cnt=0;
      for(int j=w-1;j>=0;j--){
         if(a[i][j]=='O')cnt++;
         cntO[i][j]=cnt;
      }
   }
   for(int i=0;i<w;i++){
      int cnt=0;
      for(int j=h-1;j>=0;j--){
         if(a[j][i]=='I')cnt++;
         cntI[j][i]=cnt;
      }
   }
   int ans=0;
   for(int i=0;i<h;i++){
      for(int j=0;j<w;j++){
         if(a[i][j]=='J')ans+=cntI[i][j]*cntO[i][j];
      }
   }
   cout<<ans<<"\n";
}

/*
3 4
JOIJ
JIOO
IIII
4 4
JJOO
JJOO
IIJO
IIIJ
 */

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 4436 KB Output is correct
5 Correct 2 ms 8536 KB Output is correct
6 Correct 2 ms 8540 KB Output is correct
7 Correct 2 ms 6488 KB Output is correct
8 Correct 2 ms 8540 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 2 ms 6568 KB Output is correct
11 Correct 2 ms 8540 KB Output is correct
12 Correct 2 ms 8540 KB Output is correct
13 Correct 1 ms 6488 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 4436 KB Output is correct
5 Correct 2 ms 8536 KB Output is correct
6 Correct 2 ms 8540 KB Output is correct
7 Correct 2 ms 6488 KB Output is correct
8 Correct 2 ms 8540 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 2 ms 6568 KB Output is correct
11 Correct 2 ms 8540 KB Output is correct
12 Correct 2 ms 8540 KB Output is correct
13 Correct 1 ms 6488 KB Output is correct
14 Correct 11 ms 27736 KB Output is correct
15 Correct 3 ms 22876 KB Output is correct
16 Correct 6 ms 15048 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 12 ms 27560 KB Output is correct
19 Correct 9 ms 27480 KB Output is correct
20 Correct 9 ms 25436 KB Output is correct
21 Correct 10 ms 27484 KB Output is correct
22 Correct 10 ms 27408 KB Output is correct
23 Correct 9 ms 25432 KB Output is correct
24 Correct 10 ms 27568 KB Output is correct
25 Correct 9 ms 27484 KB Output is correct
26 Correct 9 ms 25436 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 4436 KB Output is correct
5 Correct 2 ms 8536 KB Output is correct
6 Correct 2 ms 8540 KB Output is correct
7 Correct 2 ms 6488 KB Output is correct
8 Correct 2 ms 8540 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 2 ms 6568 KB Output is correct
11 Correct 2 ms 8540 KB Output is correct
12 Correct 2 ms 8540 KB Output is correct
13 Correct 1 ms 6488 KB Output is correct
14 Correct 11 ms 27736 KB Output is correct
15 Correct 3 ms 22876 KB Output is correct
16 Correct 6 ms 15048 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 12 ms 27560 KB Output is correct
19 Correct 9 ms 27480 KB Output is correct
20 Correct 9 ms 25436 KB Output is correct
21 Correct 10 ms 27484 KB Output is correct
22 Correct 10 ms 27408 KB Output is correct
23 Correct 9 ms 25432 KB Output is correct
24 Correct 10 ms 27568 KB Output is correct
25 Correct 9 ms 27484 KB Output is correct
26 Correct 9 ms 25436 KB Output is correct
27 Correct 310 ms 158720 KB Output is correct
28 Correct 14 ms 111196 KB Output is correct
29 Correct 17 ms 16220 KB Output is correct
30 Correct 2 ms 4700 KB Output is correct
31 Correct 201 ms 133884 KB Output is correct
32 Correct 292 ms 159548 KB Output is correct
33 Correct 283 ms 159712 KB Output is correct
34 Correct 245 ms 154300 KB Output is correct
35 Correct 278 ms 159568 KB Output is correct
36 Correct 312 ms 159828 KB Output is correct
37 Correct 306 ms 159568 KB Output is correct
38 Correct 185 ms 133712 KB Output is correct
39 Correct 181 ms 131668 KB Output is correct