Submission #990460

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
990460	2024-05-30T13:13:53 Z	Zero_OP	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	128 ms	18004 KB

joi2019_ho_t1

#include<bits/stdc++.h>

using namespace std;

const int MAX = 3e3 + 5;

int n, m, f[MAX];
char a[MAX][MAX];

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    cin >> n >> m;
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= m; ++j){
            cin >> a[i][j];
        }
    }

    long long ans = 0;
    for(int j = m; j >= 1; --j){
        int sum = 0;
        for(int i = 1; i <= n; ++i){
            if(a[i][j] == 'J'){
                sum += f[i];
            }
            else if(a[i][j] == 'O'){
                ++f[i];
            }
            else{
                ans += sum;
            }
        }
    }
    cout << ans << '\n';

    return 0;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	600 KB	Output is correct
2	Correct	1 ms	344 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	2652 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	2652 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	600 KB	Output is correct
2	Correct	1 ms	344 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	2652 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	2652 KB	Output is correct
14	Correct	3 ms	2648 KB	Output is correct
15	Correct	1 ms	2652 KB	Output is correct
16	Correct	2 ms	2648 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	4 ms	2812 KB	Output is correct
19	Correct	3 ms	2908 KB	Output is correct
20	Correct	3 ms	2904 KB	Output is correct
21	Correct	4 ms	2780 KB	Output is correct
22	Correct	3 ms	2908 KB	Output is correct
23	Correct	3 ms	2808 KB	Output is correct
24	Correct	4 ms	2960 KB	Output is correct
25	Correct	3 ms	3064 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	1 ms	600 KB	Output is correct
2	Correct	1 ms	344 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	2652 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	2652 KB	Output is correct
14	Correct	3 ms	2648 KB	Output is correct
15	Correct	1 ms	2652 KB	Output is correct
16	Correct	2 ms	2648 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	4 ms	2812 KB	Output is correct
19	Correct	3 ms	2908 KB	Output is correct
20	Correct	3 ms	2904 KB	Output is correct
21	Correct	4 ms	2780 KB	Output is correct
22	Correct	3 ms	2908 KB	Output is correct
23	Correct	3 ms	2808 KB	Output is correct
24	Correct	4 ms	2960 KB	Output is correct
25	Correct	3 ms	3064 KB	Output is correct
26	Correct	3 ms	2908 KB	Output is correct
27	Correct	118 ms	17492 KB	Output is correct
28	Correct	2 ms	8792 KB	Output is correct
29	Correct	6 ms	3160 KB	Output is correct
30	Correct	1 ms	428 KB	Output is correct
31	Correct	84 ms	14832 KB	Output is correct
32	Correct	80 ms	17908 KB	Output is correct
33	Correct	78 ms	18004 KB	Output is correct
34	Correct	105 ms	16196 KB	Output is correct
35	Correct	91 ms	18004 KB	Output is correct
36	Correct	83 ms	17776 KB	Output is correct
37	Correct	128 ms	17900 KB	Output is correct
38	Correct	64 ms	14676 KB	Output is correct
39	Correct	57 ms	14840 KB	Output is correct