답안 #120482

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
120482	2019-06-24T16:08:06 Z	achibasadzishvili	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	439 ms	160040 KB

joi2019_ho_t1

#include<bits/stdc++.h>
#define ll long long
#define f first
#define s second
#define pb push_back
using namespace std;
ll n,m,O[3003][3003],I[3003][3003],ans;
string s[3005];
int main(){
    ios::sync_with_stdio(false);
    
    cin >> n >> m;
    
    for(int i=1; i<=n; i++){
        cin >> s[i];
        for(int j=m-1; j>=0; j--)
            O[i][j] = O[i][j + 1] + (s[i][j] == 'O');
    }
    
    for(int i=0; i<m; i++)
        for(int j=n; j>=1; j--)
            I[j][i] = I[j + 1][i] + (s[j][i] == 'I');
    
    for(int i=1; i<=n; i++)
        for(int j=0; j<m; j++)
            if(s[i][j] == 'J')
                ans += O[i][j] * I[i][j];
    
    
    cout << ans << endl;
    
    
    
    return 0;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	512 KB	Output is correct
2	Correct	2 ms	512 KB	Output is correct
3	Correct	2 ms	512 KB	Output is correct
4	Correct	2 ms	512 KB	Output is correct
5	Correct	3 ms	1408 KB	Output is correct
6	Correct	4 ms	1408 KB	Output is correct
7	Correct	4 ms	1280 KB	Output is correct
8	Correct	3 ms	1408 KB	Output is correct
9	Correct	3 ms	1408 KB	Output is correct
10	Correct	3 ms	1280 KB	Output is correct
11	Correct	3 ms	1380 KB	Output is correct
12	Correct	3 ms	1408 KB	Output is correct
13	Correct	3 ms	1408 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	512 KB	Output is correct
2	Correct	2 ms	512 KB	Output is correct
3	Correct	2 ms	512 KB	Output is correct
4	Correct	2 ms	512 KB	Output is correct
5	Correct	3 ms	1408 KB	Output is correct
6	Correct	4 ms	1408 KB	Output is correct
7	Correct	4 ms	1280 KB	Output is correct
8	Correct	3 ms	1408 KB	Output is correct
9	Correct	3 ms	1408 KB	Output is correct
10	Correct	3 ms	1280 KB	Output is correct
11	Correct	3 ms	1380 KB	Output is correct
12	Correct	3 ms	1408 KB	Output is correct
13	Correct	3 ms	1408 KB	Output is correct
14	Correct	11 ms	7860 KB	Output is correct
15	Correct	5 ms	3968 KB	Output is correct
16	Correct	6 ms	4864 KB	Output is correct
17	Correct	2 ms	512 KB	Output is correct
18	Correct	12 ms	8832 KB	Output is correct
19	Correct	12 ms	8704 KB	Output is correct
20	Correct	11 ms	8704 KB	Output is correct
21	Correct	12 ms	8832 KB	Output is correct
22	Correct	12 ms	8668 KB	Output is correct
23	Correct	11 ms	8704 KB	Output is correct
24	Correct	13 ms	8932 KB	Output is correct
25	Correct	12 ms	8704 KB	Output is correct
26	Correct	12 ms	8704 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	512 KB	Output is correct
2	Correct	2 ms	512 KB	Output is correct
3	Correct	2 ms	512 KB	Output is correct
4	Correct	2 ms	512 KB	Output is correct
5	Correct	3 ms	1408 KB	Output is correct
6	Correct	4 ms	1408 KB	Output is correct
7	Correct	4 ms	1280 KB	Output is correct
8	Correct	3 ms	1408 KB	Output is correct
9	Correct	3 ms	1408 KB	Output is correct
10	Correct	3 ms	1280 KB	Output is correct
11	Correct	3 ms	1380 KB	Output is correct
12	Correct	3 ms	1408 KB	Output is correct
13	Correct	3 ms	1408 KB	Output is correct
14	Correct	11 ms	7860 KB	Output is correct
15	Correct	5 ms	3968 KB	Output is correct
16	Correct	6 ms	4864 KB	Output is correct
17	Correct	2 ms	512 KB	Output is correct
18	Correct	12 ms	8832 KB	Output is correct
19	Correct	12 ms	8704 KB	Output is correct
20	Correct	11 ms	8704 KB	Output is correct
21	Correct	12 ms	8832 KB	Output is correct
22	Correct	12 ms	8668 KB	Output is correct
23	Correct	11 ms	8704 KB	Output is correct
24	Correct	13 ms	8932 KB	Output is correct
25	Correct	12 ms	8704 KB	Output is correct
26	Correct	12 ms	8704 KB	Output is correct
27	Correct	379 ms	158996 KB	Output is correct
28	Correct	36 ms	19652 KB	Output is correct
29	Correct	17 ms	13952 KB	Output is correct
30	Correct	3 ms	896 KB	Output is correct
31	Correct	278 ms	130836 KB	Output is correct
32	Correct	386 ms	159836 KB	Output is correct
33	Correct	386 ms	159468 KB	Output is correct
34	Correct	329 ms	151644 KB	Output is correct
35	Correct	379 ms	159868 KB	Output is correct
36	Correct	382 ms	159428 KB	Output is correct
37	Correct	439 ms	160040 KB	Output is correct
38	Correct	257 ms	130180 KB	Output is correct
39	Correct	264 ms	130208 KB	Output is correct