Submission #843697

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
843697	2023-09-04T12:49:07 Z	AlphaMale06	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	132 ms	18156 KB

joi2019_ho_t1

#include <bits/stdc++.h>

using namespace std;
#define int long long
const int N = 3003;
char a[N][N];
signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, m;
    cin >> n >> m;
    for(int i=0; i< n; i++){
        for(int j=0; j< m; j++){
            cin >> a[i][j];
        }
    }
    int rows[n]={0};
    int cols[m]={0};
    int ans=0;
    for(int i=n-1; i>=0; i--){
        for(int j=m-1; j>=0; j--){
            if(a[i][j]=='O'){
                rows[i]++;
            }
            else if(a[i][j]=='I'){
                cols[j]++;
            }
            else ans+=rows[i]*cols[j];
        }
    }
    cout << ans << '\n';
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	2652 KB	Output is correct
6	Correct	1 ms	2648 KB	Output is correct
7	Correct	1 ms	2652 KB	Output is correct
8	Correct	1 ms	2652 KB	Output is correct
9	Correct	1 ms	2652 KB	Output is correct
10	Correct	1 ms	2652 KB	Output is correct
11	Correct	1 ms	2652 KB	Output is correct
12	Correct	1 ms	2652 KB	Output is correct
13	Correct	1 ms	2648 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	2652 KB	Output is correct
6	Correct	1 ms	2648 KB	Output is correct
7	Correct	1 ms	2652 KB	Output is correct
8	Correct	1 ms	2652 KB	Output is correct
9	Correct	1 ms	2652 KB	Output is correct
10	Correct	1 ms	2652 KB	Output is correct
11	Correct	1 ms	2652 KB	Output is correct
12	Correct	1 ms	2652 KB	Output is correct
13	Correct	1 ms	2648 KB	Output is correct
14	Correct	3 ms	2652 KB	Output is correct
15	Correct	0 ms	2652 KB	Output is correct
16	Correct	2 ms	2652 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	6 ms	2696 KB	Output is correct
19	Correct	3 ms	2648 KB	Output is correct
20	Correct	3 ms	2652 KB	Output is correct
21	Correct	4 ms	2908 KB	Output is correct
22	Correct	3 ms	2908 KB	Output is correct
23	Correct	3 ms	2908 KB	Output is correct
24	Correct	5 ms	2944 KB	Output is correct
25	Correct	3 ms	2908 KB	Output is correct
26	Correct	3 ms	2908 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	2652 KB	Output is correct
6	Correct	1 ms	2648 KB	Output is correct
7	Correct	1 ms	2652 KB	Output is correct
8	Correct	1 ms	2652 KB	Output is correct
9	Correct	1 ms	2652 KB	Output is correct
10	Correct	1 ms	2652 KB	Output is correct
11	Correct	1 ms	2652 KB	Output is correct
12	Correct	1 ms	2652 KB	Output is correct
13	Correct	1 ms	2648 KB	Output is correct
14	Correct	3 ms	2652 KB	Output is correct
15	Correct	0 ms	2652 KB	Output is correct
16	Correct	2 ms	2652 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	6 ms	2696 KB	Output is correct
19	Correct	3 ms	2648 KB	Output is correct
20	Correct	3 ms	2652 KB	Output is correct
21	Correct	4 ms	2908 KB	Output is correct
22	Correct	3 ms	2908 KB	Output is correct
23	Correct	3 ms	2908 KB	Output is correct
24	Correct	5 ms	2944 KB	Output is correct
25	Correct	3 ms	2908 KB	Output is correct
26	Correct	3 ms	2908 KB	Output is correct
27	Correct	123 ms	18004 KB	Output is correct
28	Correct	1 ms	8796 KB	Output is correct
29	Correct	7 ms	3164 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	88 ms	14976 KB	Output is correct
32	Correct	90 ms	18044 KB	Output is correct
33	Correct	93 ms	18156 KB	Output is correct
34	Correct	106 ms	15956 KB	Output is correct
35	Correct	97 ms	18008 KB	Output is correct
36	Correct	83 ms	18004 KB	Output is correct
37	Correct	132 ms	18156 KB	Output is correct
38	Correct	64 ms	14932 KB	Output is correct
39	Correct	61 ms	14932 KB	Output is correct