oj.uz

답안 #897197

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
897197 2024-01-02T17:17:26 Z aqxa Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 164 ms 89628 KB 
#include <bits/stdc++.h>
using namespace std;

using ll = long long; 

const int N = 3003; 
int cx[N][N], cy[N][N], n, m; 
string g[N]; 


int32_t main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);

	cin >> n >> m; 
	for (int i = 0; i < n; ++i) cin >> g[i]; 

	for (int i = 0; i < n; ++i) {
		for (int j = 0; j < m; ++j) {
			cx[i][j] = cy[i][j] = 0; 
		}
	}
	for (int i = 0; i < n; ++i) {
		for (int j = m - 1; j >= 0; --j) {
			cx[i][j] += cx[i][j + 1]; 
			if (g[i][j] == 'O') cx[i][j]++; 
		}
	}
	for (int j = 0; j < m; ++j) {
		for (int i = n - 1; i >= 0; --i) {
			cy[i][j] += cy[i + 1][j]; 
			if (g[i][j] == 'I') cy[i][j]++; 
		}
	}
	ll ans = 0; 
	for (int i = 0; i < n; ++i) { 
		for (int j = 0; j < m; ++j) {
			if (g[i][j] == 'J') {
				ans += cx[i][j] * cy[i][j]; 
			}
		}
	}
	cout << ans << "\n";

	return 0; 
}

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4700 KB Output is correct
6 Correct 1 ms 4660 KB Output is correct
7 Correct 1 ms 4700 KB Output is correct
8 Correct 1 ms 4700 KB Output is correct
9 Correct 1 ms 4700 KB Output is correct
10 Correct 1 ms 4700 KB Output is correct
11 Correct 1 ms 4700 KB Output is correct
12 Correct 1 ms 4700 KB Output is correct
13 Correct 1 ms 4660 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4700 KB Output is correct
6 Correct 1 ms 4660 KB Output is correct
7 Correct 1 ms 4700 KB Output is correct
8 Correct 1 ms 4700 KB Output is correct
9 Correct 1 ms 4700 KB Output is correct
10 Correct 1 ms 4700 KB Output is correct
11 Correct 1 ms 4700 KB Output is correct
12 Correct 1 ms 4700 KB Output is correct
13 Correct 1 ms 4660 KB Output is correct
14 Correct 5 ms 15192 KB Output is correct
15 Correct 2 ms 12892 KB Output is correct
16 Correct 3 ms 8880 KB Output is correct
17 Correct 1 ms 4952 KB Output is correct
18 Correct 7 ms 15448 KB Output is correct
19 Correct 4 ms 15448 KB Output is correct
20 Correct 4 ms 13404 KB Output is correct
21 Correct 6 ms 15452 KB Output is correct
22 Correct 5 ms 15240 KB Output is correct
23 Correct 4 ms 13404 KB Output is correct
24 Correct 6 ms 15448 KB Output is correct
25 Correct 4 ms 15428 KB Output is correct
26 Correct 4 ms 13404 KB Output is correct

Subtask #3
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4700 KB Output is correct
6 Correct 1 ms 4660 KB Output is correct
7 Correct 1 ms 4700 KB Output is correct
8 Correct 1 ms 4700 KB Output is correct
9 Correct 1 ms 4700 KB Output is correct
10 Correct 1 ms 4700 KB Output is correct
11 Correct 1 ms 4700 KB Output is correct
12 Correct 1 ms 4700 KB Output is correct
13 Correct 1 ms 4660 KB Output is correct
14 Correct 5 ms 15192 KB Output is correct
15 Correct 2 ms 12892 KB Output is correct
16 Correct 3 ms 8880 KB Output is correct
17 Correct 1 ms 4952 KB Output is correct
18 Correct 7 ms 15448 KB Output is correct
19 Correct 4 ms 15448 KB Output is correct
20 Correct 4 ms 13404 KB Output is correct
21 Correct 6 ms 15452 KB Output is correct
22 Correct 5 ms 15240 KB Output is correct
23 Correct 4 ms 13404 KB Output is correct
24 Correct 6 ms 15448 KB Output is correct
25 Correct 4 ms 15428 KB Output is correct
26 Correct 4 ms 13404 KB Output is correct
27 Correct 162 ms 88540 KB Output is correct
28 Correct 6 ms 57948 KB Output is correct
29 Correct 7 ms 10076 KB Output is correct
30 Correct 1 ms 4700 KB Output is correct
31 Correct 113 ms 75144 KB Output is correct
32 Correct 129 ms 89320 KB Output is correct
33 Correct 124 ms 89428 KB Output is correct
34 Correct 138 ms 85080 KB Output is correct
35 Correct 104 ms 89432 KB Output is correct
36 Correct 140 ms 89628 KB Output is correct
37 Correct 164 ms 89612 KB Output is correct
38 Correct 81 ms 74724 KB Output is correct
39 Correct 75 ms 74916 KB Output is correct