Submission #720022

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
720022	2023-04-07T08:56:02 Z	Ninedesu	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	304 ms	158976 KB

joi2019_ho_t1

#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;
}

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	2 ms	1364 KB	Output is correct
6	Correct	1 ms	1236 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	2 ms	1364 KB	Output is correct
6	Correct	1 ms	1236 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	7568 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	8532 KB	Output is correct
19	Correct	8 ms	8404 KB	Output is correct
20	Correct	7 ms	8404 KB	Output is correct
21	Correct	9 ms	8532 KB	Output is correct
22	Correct	7 ms	8404 KB	Output is correct
23	Correct	8 ms	8404 KB	Output is correct
24	Correct	9 ms	8604 KB	Output is correct
25	Correct	7 ms	8404 KB	Output is correct
26	Correct	8 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	2 ms	1364 KB	Output is correct
6	Correct	1 ms	1236 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	7568 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	8532 KB	Output is correct
19	Correct	8 ms	8404 KB	Output is correct
20	Correct	7 ms	8404 KB	Output is correct
21	Correct	9 ms	8532 KB	Output is correct
22	Correct	7 ms	8404 KB	Output is correct
23	Correct	8 ms	8404 KB	Output is correct
24	Correct	9 ms	8604 KB	Output is correct
25	Correct	7 ms	8404 KB	Output is correct
26	Correct	8 ms	8404 KB	Output is correct
27	Correct	291 ms	149636 KB	Output is correct
28	Correct	11 ms	19540 KB	Output is correct
29	Correct	13 ms	13740 KB	Output is correct
30	Correct	1 ms	852 KB	Output is correct
31	Correct	218 ms	130040 KB	Output is correct
32	Correct	290 ms	158816 KB	Output is correct
33	Correct	250 ms	158460 KB	Output is correct
34	Correct	274 ms	151004 KB	Output is correct
35	Correct	262 ms	158864 KB	Output is correct
36	Correct	246 ms	158456 KB	Output is correct
37	Correct	304 ms	158976 KB	Output is correct
38	Correct	206 ms	129548 KB	Output is correct
39	Correct	182 ms	129564 KB	Output is correct