Submission #131177

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
131177	2019-07-16T18:06:26 Z	losmi247	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	223 ms	89592 KB

joi2019_ho_t1

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 3e3+45;

char a[N][N];
int cnti[N][N],cnto[N][N];

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int h,w;
    cin >> h >> w;
    for(int i = 1; i <= h; i++){
        string s;
        cin >> s;
        for(int j = 1; j <= w; j++){
            a[i][j] = s[j-1];
            cnto[i][j] = cnto[i][j-1]+(a[i][j] == 'O');
        }
    }
    for(int j = 1; j <= w; j++){
        for(int i = 1; i <= h; i++){
            cnti[j][i] = cnti[j][i-1]+(a[i][j] == 'I');
        }
    }
    ll sol = 0;
    for(int i = 1; i <= h; i++){
        for(int j = 1; j <= w; j++){
            if(a[i][j] != 'J'){
                continue;
            }
            ll iovi = cnti[j][h]-cnti[j][i-1],oovi = cnto[i][w]-cnto[i][j-1];
            sol += iovi*oovi;
        }
    }
    cout << sol << endl;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	3 ms	1528 KB	Output is correct
6	Correct	3 ms	1400 KB	Output is correct
7	Correct	3 ms	1528 KB	Output is correct
8	Correct	3 ms	1528 KB	Output is correct
9	Correct	3 ms	1400 KB	Output is correct
10	Correct	3 ms	1528 KB	Output is correct
11	Correct	3 ms	1528 KB	Output is correct
12	Correct	3 ms	1400 KB	Output is correct
13	Correct	3 ms	1532 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	3 ms	1528 KB	Output is correct
6	Correct	3 ms	1400 KB	Output is correct
7	Correct	3 ms	1528 KB	Output is correct
8	Correct	3 ms	1528 KB	Output is correct
9	Correct	3 ms	1400 KB	Output is correct
10	Correct	3 ms	1528 KB	Output is correct
11	Correct	3 ms	1528 KB	Output is correct
12	Correct	3 ms	1400 KB	Output is correct
13	Correct	3 ms	1532 KB	Output is correct
14	Correct	11 ms	7032 KB	Output is correct
15	Correct	5 ms	3320 KB	Output is correct
16	Correct	8 ms	5368 KB	Output is correct
17	Correct	3 ms	1656 KB	Output is correct
18	Correct	12 ms	8056 KB	Output is correct
19	Correct	11 ms	7928 KB	Output is correct
20	Correct	12 ms	7928 KB	Output is correct
21	Correct	13 ms	8056 KB	Output is correct
22	Correct	11 ms	7932 KB	Output is correct
23	Correct	11 ms	7928 KB	Output is correct
24	Correct	13 ms	8056 KB	Output is correct
25	Correct	11 ms	7928 KB	Output is correct
26	Correct	11 ms	7928 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	3 ms	1528 KB	Output is correct
6	Correct	3 ms	1400 KB	Output is correct
7	Correct	3 ms	1528 KB	Output is correct
8	Correct	3 ms	1528 KB	Output is correct
9	Correct	3 ms	1400 KB	Output is correct
10	Correct	3 ms	1528 KB	Output is correct
11	Correct	3 ms	1528 KB	Output is correct
12	Correct	3 ms	1400 KB	Output is correct
13	Correct	3 ms	1532 KB	Output is correct
14	Correct	11 ms	7032 KB	Output is correct
15	Correct	5 ms	3320 KB	Output is correct
16	Correct	8 ms	5368 KB	Output is correct
17	Correct	3 ms	1656 KB	Output is correct
18	Correct	12 ms	8056 KB	Output is correct
19	Correct	11 ms	7928 KB	Output is correct
20	Correct	12 ms	7928 KB	Output is correct
21	Correct	13 ms	8056 KB	Output is correct
22	Correct	11 ms	7932 KB	Output is correct
23	Correct	11 ms	7928 KB	Output is correct
24	Correct	13 ms	8056 KB	Output is correct
25	Correct	11 ms	7928 KB	Output is correct
26	Correct	11 ms	7928 KB	Output is correct
27	Correct	211 ms	87260 KB	Output is correct
28	Correct	19 ms	16888 KB	Output is correct
29	Correct	27 ms	17400 KB	Output is correct
30	Correct	13 ms	9848 KB	Output is correct
31	Correct	157 ms	73592 KB	Output is correct
32	Correct	165 ms	89328 KB	Output is correct
33	Correct	186 ms	89380 KB	Output is correct
34	Correct	179 ms	80476 KB	Output is correct
35	Correct	191 ms	89364 KB	Output is correct
36	Correct	180 ms	89468 KB	Output is correct
37	Correct	223 ms	89592 KB	Output is correct
38	Correct	125 ms	73208 KB	Output is correct
39	Correct	157 ms	73308 KB	Output is correct