Submission #234099

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
234099	2020-05-23T05:11:38 Z	super_j6	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	153 ms	83576 KB

joi2019_ho_t1

#include <iostream>
#include <cstdio>
#include <algorithm>
using namespace std;
#define endl '\n'
#define ll long long
#define pi pair<int, int>
#define f first
#define s second

const int maxn = 3001;
int n, m;
string s[maxn];
int a[maxn][maxn], b[maxn][maxn];

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	
	cin >> n >> m;
	
	for(int i = 0; i < n; i++){
	    cin >> s[i];
	    for(int j = 0; j < m; j++){
	        if(s[i][j] == 'O') a[i][j]++;
	        if(s[i][j] == 'I') b[i][j]++;
	    }
	}
	
	ll ret = 0;
	for(int i = n - 1; ~i; i--)
	for(int j = m - 1; ~j; j--){
	    a[i][j] += a[i][j + 1];
	    b[i][j] += b[i + 1][j];
	    ret += (s[i][j] == 'J') * a[i][j] * b[i][j];
	}
	
	cout << ret << endl;

	return 0;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	512 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	512 KB	Output is correct
4	Correct	5 ms	512 KB	Output is correct
5	Correct	5 ms	1408 KB	Output is correct
6	Correct	5 ms	1408 KB	Output is correct
7	Correct	5 ms	1280 KB	Output is correct
8	Correct	5 ms	1280 KB	Output is correct
9	Correct	5 ms	1280 KB	Output is correct
10	Correct	5 ms	1280 KB	Output is correct
11	Correct	5 ms	1280 KB	Output is correct
12	Correct	5 ms	1280 KB	Output is correct
13	Correct	5 ms	1280 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	512 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	512 KB	Output is correct
4	Correct	5 ms	512 KB	Output is correct
5	Correct	5 ms	1408 KB	Output is correct
6	Correct	5 ms	1408 KB	Output is correct
7	Correct	5 ms	1280 KB	Output is correct
8	Correct	5 ms	1280 KB	Output is correct
9	Correct	5 ms	1280 KB	Output is correct
10	Correct	5 ms	1280 KB	Output is correct
11	Correct	5 ms	1280 KB	Output is correct
12	Correct	5 ms	1280 KB	Output is correct
13	Correct	5 ms	1280 KB	Output is correct
14	Correct	10 ms	6272 KB	Output is correct
15	Correct	7 ms	3840 KB	Output is correct
16	Correct	7 ms	3840 KB	Output is correct
17	Correct	5 ms	512 KB	Output is correct
18	Correct	11 ms	6912 KB	Output is correct
19	Correct	9 ms	6784 KB	Output is correct
20	Correct	9 ms	6784 KB	Output is correct
21	Correct	11 ms	6912 KB	Output is correct
22	Correct	9 ms	6784 KB	Output is correct
23	Correct	9 ms	6784 KB	Output is correct
24	Correct	11 ms	6912 KB	Output is correct
25	Correct	9 ms	6784 KB	Output is correct
26	Correct	9 ms	6784 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	512 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	512 KB	Output is correct
4	Correct	5 ms	512 KB	Output is correct
5	Correct	5 ms	1408 KB	Output is correct
6	Correct	5 ms	1408 KB	Output is correct
7	Correct	5 ms	1280 KB	Output is correct
8	Correct	5 ms	1280 KB	Output is correct
9	Correct	5 ms	1280 KB	Output is correct
10	Correct	5 ms	1280 KB	Output is correct
11	Correct	5 ms	1280 KB	Output is correct
12	Correct	5 ms	1280 KB	Output is correct
13	Correct	5 ms	1280 KB	Output is correct
14	Correct	10 ms	6272 KB	Output is correct
15	Correct	7 ms	3840 KB	Output is correct
16	Correct	7 ms	3840 KB	Output is correct
17	Correct	5 ms	512 KB	Output is correct
18	Correct	11 ms	6912 KB	Output is correct
19	Correct	9 ms	6784 KB	Output is correct
20	Correct	9 ms	6784 KB	Output is correct
21	Correct	11 ms	6912 KB	Output is correct
22	Correct	9 ms	6784 KB	Output is correct
23	Correct	9 ms	6784 KB	Output is correct
24	Correct	11 ms	6912 KB	Output is correct
25	Correct	9 ms	6784 KB	Output is correct
26	Correct	9 ms	6784 KB	Output is correct
27	Correct	144 ms	82648 KB	Output is correct
28	Correct	15 ms	19328 KB	Output is correct
29	Correct	13 ms	7808 KB	Output is correct
30	Correct	5 ms	768 KB	Output is correct
31	Correct	110 ms	68344 KB	Output is correct
32	Correct	118 ms	83448 KB	Output is correct
33	Correct	100 ms	83320 KB	Output is correct
34	Correct	128 ms	78840 KB	Output is correct
35	Correct	105 ms	83448 KB	Output is correct
36	Correct	98 ms	83320 KB	Output is correct
37	Correct	153 ms	83576 KB	Output is correct
38	Correct	79 ms	68344 KB	Output is correct
39	Correct	76 ms	68092 KB	Output is correct