답안 #152589

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
152589	2019-09-08T13:50:06 Z	oolimry	JOIOJI (JOI14_joioji)	C++14	100 / 100	76 ms	6272 KB

joioji

#include <bits/stdc++.h>
using namespace std;
int main(){
	ios_base::sync_with_stdio(false);
	int n;
	cin >> n;
	string s;
	cin >> s;
	int I = 0;
	int J = 0;
	int O = 0;
	typedef pair<int,int> ii;
	map<ii,int> m;
	for(int i = 0;i < n;i++){
		if(s[i] == 'I') I++;
		else if(s[i] == 'O') O++;
		else J++;
		m[ii(O-J,O-I)] = i;
	}
	I = 0, J = 0, O = 0;
	int ans = 0;
	for(int i = 0;i < n;i++){
		if(m.find(ii(O-J,O-I)) != m.end() && m[ii(O-J,O-I)] > i)
			ans = max(ans,m[ii(O-J,O-I)] - i + 1);
		if(s[i] == 'I') I++;
		else if(s[i] == 'O') O++;
		else J++;
	}
	cout << ans;
}

Subtask #1

5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct

Subtask #2

15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	3 ms	376 KB	Output is correct
3	Correct	3 ms	376 KB	Output is correct
4	Correct	3 ms	376 KB	Output is correct
5	Correct	3 ms	504 KB	Output is correct
6	Correct	3 ms	424 KB	Output is correct
7	Correct	3 ms	376 KB	Output is correct
8	Correct	4 ms	376 KB	Output is correct
9	Correct	3 ms	504 KB	Output is correct
10	Correct	3 ms	504 KB	Output is correct

Subtask #3

80.0 / 80.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	504 KB	Output is correct
2	Correct	12 ms	1016 KB	Output is correct
3	Correct	20 ms	1528 KB	Output is correct
4	Correct	37 ms	2296 KB	Output is correct
5	Correct	61 ms	3588 KB	Output is correct
6	Correct	76 ms	3588 KB	Output is correct
7	Correct	75 ms	4228 KB	Output is correct
8	Correct	74 ms	3588 KB	Output is correct
9	Correct	74 ms	3844 KB	Output is correct
10	Correct	73 ms	3588 KB	Output is correct
11	Correct	60 ms	5252 KB	Output is correct
12	Correct	50 ms	2308 KB	Output is correct
13	Correct	36 ms	1668 KB	Output is correct
14	Correct	64 ms	6272 KB	Output is correct
15	Correct	33 ms	1412 KB	Output is correct