답안 #720966

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
720966	2023-04-10T00:09:34 Z	pcc	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	639 ms	10624 KB

joi2019_ho_t1

#include <bits/stdc++.h>
using namespace std;

const int mxn = 3030;
string arr[mxn];
#define ll long long
map<pair<ll,ll>,ll> J;
map<ll,ll> O,I;

int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	int n,m;
	cin>>n>>m;
	for(int i = 0;i<n;i++)cin>>arr[i];
	ll ans = 0;
	for(int i = n-1;i>=0;i--){
		for(int j = m-1;j>=0;j--){
			if(arr[i][j] == 'J')ans += O[i]*I[j];
			else if(arr[i][j] == 'O')O[i]++;
			else I[j]++;
		}
	}
	cout<<ans;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	9 ms	596 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	5 ms	468 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	12 ms	716 KB	Output is correct
19	Correct	8 ms	716 KB	Output is correct
20	Correct	8 ms	724 KB	Output is correct
21	Correct	12 ms	732 KB	Output is correct
22	Correct	9 ms	708 KB	Output is correct
23	Correct	8 ms	720 KB	Output is correct
24	Correct	13 ms	724 KB	Output is correct
25	Correct	7 ms	696 KB	Output is correct
26	Correct	7 ms	716 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	9 ms	596 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	5 ms	468 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	12 ms	716 KB	Output is correct
19	Correct	8 ms	716 KB	Output is correct
20	Correct	8 ms	724 KB	Output is correct
21	Correct	12 ms	732 KB	Output is correct
22	Correct	9 ms	708 KB	Output is correct
23	Correct	8 ms	720 KB	Output is correct
24	Correct	13 ms	724 KB	Output is correct
25	Correct	7 ms	696 KB	Output is correct
26	Correct	7 ms	716 KB	Output is correct
27	Correct	632 ms	9808 KB	Output is correct
28	Correct	2 ms	468 KB	Output is correct
29	Correct	24 ms	1260 KB	Output is correct
30	Correct	2 ms	468 KB	Output is correct
31	Correct	434 ms	7432 KB	Output is correct
32	Correct	331 ms	10408 KB	Output is correct
33	Correct	558 ms	10548 KB	Output is correct
34	Correct	508 ms	8552 KB	Output is correct
35	Correct	457 ms	10292 KB	Output is correct
36	Correct	600 ms	10448 KB	Output is correct
37	Correct	639 ms	10624 KB	Output is correct
38	Correct	236 ms	7216 KB	Output is correct
39	Correct	353 ms	7200 KB	Output is correct