Submission #586952

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
586952	2022-07-01T06:22:09 Z	Justin1	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	386 ms	150348 KB

joi2019_ho_t1

#include <bits/stdc++.h>
#define ll long long
using namespace std;

ll n,m,k,x,y,z;
ll O[3005][3005], I[3005][3005];
char ar[3005][3005];

int main() {
    cin.tie(0), cout.tie(0) -> sync_with_stdio(0);
    cin >> n >> m;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            cin >> ar[i][j];
        }
    }
    for (int i = 1; i <= n; i++) {
        for (int j = m; j >= 1; j--) O[i][j] = O[i][j+1] + (ar[i][j] == 'O');
    }
    for (int i = 1; i <= m; i++) {
        for (int j = n; j >= 1; j--) I[j][i] = I[j+1][i] + (ar[j][i] == 'I');
    }
    ll ans = 0;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            if (ar[i][j] == 'J') ans += O[i][j] * I[i][j];
        }
    }
    cout << ans << "\n";
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 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	1364 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 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	1364 KB	Output is correct
14	Correct	8 ms	8784 KB	Output is correct
15	Correct	2 ms	4948 KB	Output is correct
16	Correct	5 ms	5204 KB	Output is correct
17	Correct	1 ms	428 KB	Output is correct
18	Correct	10 ms	9684 KB	Output is correct
19	Correct	9 ms	9556 KB	Output is correct
20	Correct	9 ms	9544 KB	Output is correct
21	Correct	12 ms	9684 KB	Output is correct
22	Correct	9 ms	9556 KB	Output is correct
23	Correct	8 ms	9560 KB	Output is correct
24	Correct	9 ms	9684 KB	Output is correct
25	Correct	10 ms	9536 KB	Output is correct
26	Correct	9 ms	9556 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 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	1364 KB	Output is correct
14	Correct	8 ms	8784 KB	Output is correct
15	Correct	2 ms	4948 KB	Output is correct
16	Correct	5 ms	5204 KB	Output is correct
17	Correct	1 ms	428 KB	Output is correct
18	Correct	10 ms	9684 KB	Output is correct
19	Correct	9 ms	9556 KB	Output is correct
20	Correct	9 ms	9544 KB	Output is correct
21	Correct	12 ms	9684 KB	Output is correct
22	Correct	9 ms	9556 KB	Output is correct
23	Correct	8 ms	9560 KB	Output is correct
24	Correct	9 ms	9684 KB	Output is correct
25	Correct	10 ms	9536 KB	Output is correct
26	Correct	9 ms	9556 KB	Output is correct
27	Correct	349 ms	150272 KB	Output is correct
28	Correct	13 ms	26324 KB	Output is correct
29	Correct	17 ms	13228 KB	Output is correct
30	Correct	1 ms	724 KB	Output is correct
31	Correct	263 ms	125180 KB	Output is correct
32	Correct	316 ms	150232 KB	Output is correct
33	Correct	318 ms	149776 KB	Output is correct
34	Correct	299 ms	145244 KB	Output is correct
35	Correct	327 ms	150348 KB	Output is correct
36	Correct	343 ms	149756 KB	Output is correct
37	Correct	386 ms	150224 KB	Output is correct
38	Correct	222 ms	124628 KB	Output is correct
39	Correct	238 ms	124776 KB	Output is correct