답안 #166015

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
166015	2019-11-30T07:55:07 Z	oolimry	JOIOJI (JOI14_joioji)	C++14	100 / 100	80 ms	6304 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	504 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	380 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	3 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	3 ms	504 KB	Output is correct
2	Correct	3 ms	376 KB	Output is correct
3	Correct	3 ms	376 KB	Output is correct
4	Correct	4 ms	376 KB	Output is correct
5	Correct	3 ms	376 KB	Output is correct
6	Correct	3 ms	376 KB	Output is correct
7	Correct	3 ms	376 KB	Output is correct
8	Correct	3 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	15 ms	1016 KB	Output is correct
3	Correct	23 ms	1556 KB	Output is correct
4	Correct	39 ms	2284 KB	Output is correct
5	Correct	58 ms	3588 KB	Output is correct
6	Correct	77 ms	3692 KB	Output is correct
7	Correct	76 ms	4228 KB	Output is correct
8	Correct	74 ms	3560 KB	Output is correct
9	Correct	80 ms	3972 KB	Output is correct
10	Correct	74 ms	3560 KB	Output is correct
11	Correct	61 ms	5252 KB	Output is correct
12	Correct	52 ms	2308 KB	Output is correct
13	Correct	37 ms	1668 KB	Output is correct
14	Correct	65 ms	6304 KB	Output is correct
15	Correct	34 ms	1412 KB	Output is correct