Submission #544290

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
544290	2022-04-01T15:13:55 Z	Jomnoi	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	88 ms	83396 KB

joi2019_ho_t1

#include <bits/stdc++.h>
#define DEBUG 0
using namespace std;

const int N = 3e3 + 10;

char S[N][N];
int qsi[N][N], qso[N][N];

int main() {
    cin.tie(0)->sync_with_stdio(0);
    int H, W;
    cin >> H >> W;
    for(int i = 1; i <= H; i++) {
        cin >> (S[i] + 1);
    }
    
    for(int i = 1; i <= H; i++) {
        for(int j = 1; j <= W; j++) {
            qso[i][j] = qso[i][j - 1] + (S[i][j] == 'O');
            qsi[i][j] = qsi[i - 1][j] + (S[i][j] == 'I');
        }
    }

    long long ans = 0;
    for(int i = 1; i <= H; i++) {
        for(int j = 1; j <= W; j++) {
            ans += 1ll*(S[i][j] == 'J') * (qso[i][W] - qso[i][j]) * (qsi[H][j] - qsi[i][j]);
        }
    }
    cout << ans;
    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	1 ms	336 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	1492 KB	Output is correct
6	Correct	1 ms	1492 KB	Output is correct
7	Correct	1 ms	1364 KB	Output is correct
8	Correct	1 ms	1492 KB	Output is correct
9	Correct	1 ms	1492 KB	Output is correct
10	Correct	1 ms	1364 KB	Output is correct
11	Correct	1 ms	1492 KB	Output is correct
12	Correct	1 ms	1492 KB	Output is correct
13	Correct	1 ms	1368 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	1 ms	336 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	1492 KB	Output is correct
6	Correct	1 ms	1492 KB	Output is correct
7	Correct	1 ms	1364 KB	Output is correct
8	Correct	1 ms	1492 KB	Output is correct
9	Correct	1 ms	1492 KB	Output is correct
10	Correct	1 ms	1364 KB	Output is correct
11	Correct	1 ms	1492 KB	Output is correct
12	Correct	1 ms	1492 KB	Output is correct
13	Correct	1 ms	1368 KB	Output is correct
14	Correct	5 ms	7508 KB	Output is correct
15	Correct	3 ms	4948 KB	Output is correct
16	Correct	3 ms	4336 KB	Output is correct
17	Correct	1 ms	456 KB	Output is correct
18	Correct	5 ms	7916 KB	Output is correct
19	Correct	6 ms	7892 KB	Output is correct
20	Correct	6 ms	7896 KB	Output is correct
21	Correct	5 ms	8020 KB	Output is correct
22	Correct	5 ms	7892 KB	Output is correct
23	Correct	5 ms	7892 KB	Output is correct
24	Correct	6 ms	8020 KB	Output is correct
25	Correct	6 ms	7892 KB	Output is correct
26	Correct	6 ms	7800 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	1 ms	336 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	1492 KB	Output is correct
6	Correct	1 ms	1492 KB	Output is correct
7	Correct	1 ms	1364 KB	Output is correct
8	Correct	1 ms	1492 KB	Output is correct
9	Correct	1 ms	1492 KB	Output is correct
10	Correct	1 ms	1364 KB	Output is correct
11	Correct	1 ms	1492 KB	Output is correct
12	Correct	1 ms	1492 KB	Output is correct
13	Correct	1 ms	1368 KB	Output is correct
14	Correct	5 ms	7508 KB	Output is correct
15	Correct	3 ms	4948 KB	Output is correct
16	Correct	3 ms	4336 KB	Output is correct
17	Correct	1 ms	456 KB	Output is correct
18	Correct	5 ms	7916 KB	Output is correct
19	Correct	6 ms	7892 KB	Output is correct
20	Correct	6 ms	7896 KB	Output is correct
21	Correct	5 ms	8020 KB	Output is correct
22	Correct	5 ms	7892 KB	Output is correct
23	Correct	5 ms	7892 KB	Output is correct
24	Correct	6 ms	8020 KB	Output is correct
25	Correct	6 ms	7892 KB	Output is correct
26	Correct	6 ms	7800 KB	Output is correct
27	Correct	75 ms	82760 KB	Output is correct
28	Correct	14 ms	25932 KB	Output is correct
29	Correct	7 ms	7792 KB	Output is correct
30	Correct	1 ms	596 KB	Output is correct
31	Correct	59 ms	69240 KB	Output is correct
32	Correct	78 ms	83328 KB	Output is correct
33	Correct	78 ms	82888 KB	Output is correct
34	Correct	68 ms	79820 KB	Output is correct
35	Correct	88 ms	83352 KB	Output is correct
36	Correct	78 ms	82928 KB	Output is correct
37	Correct	79 ms	83396 KB	Output is correct
38	Correct	59 ms	69324 KB	Output is correct
39	Correct	60 ms	68956 KB	Output is correct