답안 #1084063

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1084063	2024-09-05T03:08:09 Z	May27_th	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	197 ms	159316 KB

joi2019_ho_t1

#include<bits/stdc++.h>
 
using namespace std;
 
#define i64 long long
#define int long long
#define mp make_pair
#define pb push_back
#define all(x) (x).begin(), (x).end()

void Solve(void) {
  int N, M; cin >> N >> M;
  vector<vector<char>> g(N + 2, vector<char> (M + 2));
  vector<vector<int>> prefI(N + 2, vector<int> (M + 2, 0));
  vector<vector<int>> prefO(N + 2, vector<int> (M + 2, 0));
  for (int i = 1; i <= N; i ++) {
    for (int j = 1; j <= M; j ++) {
      cin >> g[i][j];
      prefO[i][j] = prefO[i][j - 1] + (g[i][j] == 'O');
      prefI[i][j] = prefI[i - 1][j] + (g[i][j] == 'I');
    }
  }
  i64 ans = 0;
  for (int i = 1; i <= N; i ++) {
    for (int j = 1; j <= M; j ++) {
      if (g[i][j] == 'J') {
        ans = ans + 1LL * (prefO[i][M] - prefO[i][j]) * (prefI[N][j] - prefI[i][j]);
      }
    }
  }
  cout << ans << "\n";
}

signed main() {
  ios_base::sync_with_stdio(false); cin.tie(0);
  int Tests = 1; // cin >> Tests; 
  while (Tests --) {
    Solve();    
  }
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	604 KB	Output is correct
6	Correct	0 ms	604 KB	Output is correct
7	Correct	0 ms	604 KB	Output is correct
8	Correct	1 ms	600 KB	Output is correct
9	Correct	1 ms	604 KB	Output is correct
10	Correct	0 ms	604 KB	Output is correct
11	Correct	1 ms	604 KB	Output is correct
12	Correct	1 ms	604 KB	Output is correct
13	Correct	1 ms	640 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	604 KB	Output is correct
6	Correct	0 ms	604 KB	Output is correct
7	Correct	0 ms	604 KB	Output is correct
8	Correct	1 ms	600 KB	Output is correct
9	Correct	1 ms	604 KB	Output is correct
10	Correct	0 ms	604 KB	Output is correct
11	Correct	1 ms	604 KB	Output is correct
12	Correct	1 ms	604 KB	Output is correct
13	Correct	1 ms	640 KB	Output is correct
14	Correct	7 ms	3676 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	5 ms	2636 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	7 ms	4820 KB	Output is correct
19	Correct	5 ms	4700 KB	Output is correct
20	Correct	5 ms	4700 KB	Output is correct
21	Correct	5 ms	4816 KB	Output is correct
22	Correct	4 ms	4700 KB	Output is correct
23	Correct	4 ms	4860 KB	Output is correct
24	Correct	5 ms	4700 KB	Output is correct
25	Correct	4 ms	4700 KB	Output is correct
26	Correct	5 ms	4696 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	604 KB	Output is correct
6	Correct	0 ms	604 KB	Output is correct
7	Correct	0 ms	604 KB	Output is correct
8	Correct	1 ms	600 KB	Output is correct
9	Correct	1 ms	604 KB	Output is correct
10	Correct	0 ms	604 KB	Output is correct
11	Correct	1 ms	604 KB	Output is correct
12	Correct	1 ms	604 KB	Output is correct
13	Correct	1 ms	640 KB	Output is correct
14	Correct	7 ms	3676 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	5 ms	2636 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	7 ms	4820 KB	Output is correct
19	Correct	5 ms	4700 KB	Output is correct
20	Correct	5 ms	4700 KB	Output is correct
21	Correct	5 ms	4816 KB	Output is correct
22	Correct	4 ms	4700 KB	Output is correct
23	Correct	4 ms	4860 KB	Output is correct
24	Correct	5 ms	4700 KB	Output is correct
25	Correct	4 ms	4700 KB	Output is correct
26	Correct	5 ms	4696 KB	Output is correct
27	Correct	187 ms	150608 KB	Output is correct
28	Correct	1 ms	1112 KB	Output is correct
29	Correct	13 ms	11884 KB	Output is correct
30	Correct	1 ms	860 KB	Output is correct
31	Correct	129 ms	110900 KB	Output is correct
32	Correct	174 ms	158312 KB	Output is correct
33	Correct	168 ms	158804 KB	Output is correct
34	Correct	155 ms	128596 KB	Output is correct
35	Correct	162 ms	158292 KB	Output is correct
36	Correct	167 ms	158800 KB	Output is correct
37	Correct	197 ms	159316 KB	Output is correct
38	Correct	118 ms	109904 KB	Output is correct
39	Correct	114 ms	110416 KB	Output is correct