답안 #886276

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
886276	2023-12-11T16:57:24 Z	stefanneagu	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	332 ms	18104 KB

joi2019_ho_t1

#include <bits/stdc++.h>
using namespace std;
const int nmax = 3e3 + 1;
char mat[nmax][nmax];
int O[nmax], I[nmax];
int main() {
  int n, m;
  cin >> n >> m;
  for(int i = 1; i <= n; i ++) {
    for(int j = 1; j <= m; j ++) {
      cin >> mat[i][j];
    }
  }
  long long ans = 0;
  for(int  i = n; i>=1; i--) {
    for(int j=m; j>=1; j--) {
      if(mat[i][j] == 'J') {
        ans += (long long) I[j] * O[i];
        // cout << i << " " << j << ": " << O[i] << " " << I[j] << endl;
      }
      if(mat[i][j] == 'O') {
          O[i] ++;
        }
        if(mat[i][j] == 'I') {
          I[j] ++;
      }
    }
  }
  cout << ans;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	348 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	2648 KB	Output is correct
8	Correct	1 ms	2648 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

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	348 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	2648 KB	Output is correct
8	Correct	1 ms	2648 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	8 ms	2652 KB	Output is correct
15	Correct	1 ms	2652 KB	Output is correct
16	Correct	5 ms	2652 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	10 ms	2652 KB	Output is correct
19	Correct	8 ms	2656 KB	Output is correct
20	Correct	8 ms	2652 KB	Output is correct
21	Correct	11 ms	2652 KB	Output is correct
22	Correct	10 ms	2652 KB	Output is correct
23	Correct	8 ms	2652 KB	Output is correct
24	Correct	10 ms	2652 KB	Output is correct
25	Correct	8 ms	2652 KB	Output is correct
26	Correct	8 ms	2652 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	348 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	2648 KB	Output is correct
8	Correct	1 ms	2648 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	8 ms	2652 KB	Output is correct
15	Correct	1 ms	2652 KB	Output is correct
16	Correct	5 ms	2652 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	10 ms	2652 KB	Output is correct
19	Correct	8 ms	2656 KB	Output is correct
20	Correct	8 ms	2652 KB	Output is correct
21	Correct	11 ms	2652 KB	Output is correct
22	Correct	10 ms	2652 KB	Output is correct
23	Correct	8 ms	2652 KB	Output is correct
24	Correct	10 ms	2652 KB	Output is correct
25	Correct	8 ms	2652 KB	Output is correct
26	Correct	8 ms	2652 KB	Output is correct
27	Correct	314 ms	14620 KB	Output is correct
28	Correct	2 ms	8796 KB	Output is correct
29	Correct	22 ms	3284 KB	Output is correct
30	Correct	2 ms	348 KB	Output is correct
31	Correct	232 ms	14920 KB	Output is correct
32	Correct	289 ms	17856 KB	Output is correct
33	Correct	288 ms	18000 KB	Output is correct
34	Correct	265 ms	15796 KB	Output is correct
35	Correct	290 ms	17748 KB	Output is correct
36	Correct	298 ms	17976 KB	Output is correct
37	Correct	332 ms	18104 KB	Output is correct
38	Correct	208 ms	14900 KB	Output is correct
39	Correct	202 ms	14788 KB	Output is correct