Submission #99549

# Submission time Handle Problem Language Result Execution time Memory
99549 2019-03-05T04:06:10 Z Dat160601 Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
284 ms 87544 KB
#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define pb push_back
#define fi first
#define se second

const int N = 3007;

int n, m, row[N][N], col[N][N];
long long ans = 0;
string s[N];

int main(){
	ios_base::sync_with_stdio(0); cin.tie(0);
	cin >> n >> m;
	for(int i = 1; i <= n; i++){
		cin >> s[i];
		for(int j = 1; j <= m; j++){
			row[i][j] = row[i][j - 1];
			if(s[i][j - 1] == 'O') row[i][j]++;
			else if(s[i][j - 1] == 'I') col[j][i]++;
		}
	}
	for(int j = 1; j <= m; j++){
		for(int i = 1; i <= n; i++){
			col[j][i] += col[j][i - 1];
		}
	}
	for(int i = 1; i <= n; i++){
		for(int j = 1; j <= m; j++){
			if(s[i][j - 1] != 'J') continue;
			ans += 1LL * (row[i][m] - row[i][j]) * (col[j][n] - col[j][i]);
		}
	}
	cout << ans;
}
# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 3 ms 512 KB Output is correct
3 Correct 2 ms 512 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 3 ms 1280 KB Output is correct
6 Correct 5 ms 1280 KB Output is correct
7 Correct 3 ms 1280 KB Output is correct
8 Correct 4 ms 1408 KB Output is correct
9 Correct 4 ms 1280 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 1280 KB Output is correct
13 Correct 3 ms 1280 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 3 ms 512 KB Output is correct
3 Correct 2 ms 512 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 3 ms 1280 KB Output is correct
6 Correct 5 ms 1280 KB Output is correct
7 Correct 3 ms 1280 KB Output is correct
8 Correct 4 ms 1408 KB Output is correct
9 Correct 4 ms 1280 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 1280 KB Output is correct
13 Correct 3 ms 1280 KB Output is correct
14 Correct 14 ms 5888 KB Output is correct
15 Correct 5 ms 2304 KB Output is correct
16 Correct 9 ms 4736 KB Output is correct
17 Correct 4 ms 1664 KB Output is correct
18 Correct 16 ms 6912 KB Output is correct
19 Correct 13 ms 6756 KB Output is correct
20 Correct 12 ms 6784 KB Output is correct
21 Correct 12 ms 6912 KB Output is correct
22 Correct 12 ms 6784 KB Output is correct
23 Correct 11 ms 6784 KB Output is correct
24 Correct 13 ms 6912 KB Output is correct
25 Correct 11 ms 6784 KB Output is correct
26 Correct 10 ms 6784 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 3 ms 512 KB Output is correct
3 Correct 2 ms 512 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 3 ms 1280 KB Output is correct
6 Correct 5 ms 1280 KB Output is correct
7 Correct 3 ms 1280 KB Output is correct
8 Correct 4 ms 1408 KB Output is correct
9 Correct 4 ms 1280 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 1280 KB Output is correct
13 Correct 3 ms 1280 KB Output is correct
14 Correct 14 ms 5888 KB Output is correct
15 Correct 5 ms 2304 KB Output is correct
16 Correct 9 ms 4736 KB Output is correct
17 Correct 4 ms 1664 KB Output is correct
18 Correct 16 ms 6912 KB Output is correct
19 Correct 13 ms 6756 KB Output is correct
20 Correct 12 ms 6784 KB Output is correct
21 Correct 12 ms 6912 KB Output is correct
22 Correct 12 ms 6784 KB Output is correct
23 Correct 11 ms 6784 KB Output is correct
24 Correct 13 ms 6912 KB Output is correct
25 Correct 11 ms 6784 KB Output is correct
26 Correct 10 ms 6784 KB Output is correct
27 Correct 271 ms 85276 KB Output is correct
28 Correct 14 ms 10112 KB Output is correct
29 Correct 25 ms 17408 KB Output is correct
30 Correct 10 ms 9856 KB Output is correct
31 Correct 247 ms 71160 KB Output is correct
32 Correct 185 ms 87032 KB Output is correct
33 Correct 193 ms 87160 KB Output is correct
34 Correct 237 ms 78072 KB Output is correct
35 Correct 217 ms 86960 KB Output is correct
36 Correct 201 ms 87036 KB Output is correct
37 Correct 284 ms 87544 KB Output is correct
38 Correct 133 ms 70844 KB Output is correct
39 Correct 146 ms 70916 KB Output is correct