oj.uz

Submission #156039

# Submission time Handle Problem Language Result Execution time Memory
156039 2019-10-03T01:54:47 Z shuvi_dola JOIOJI (JOI14_joioji) C++14
95 / 100
 64 ms 7916 KB 
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 5;
int cnti[N], cntj[N], cnto[N];
map <pair <int, int>, int> m;
string s;
int n;
int main()
{
	cin >> n;
	cin >> s;
	s = "1" + s;
	for(int i = 1; i <= n; i++)
	{
		cnti[i] = cnti[i - 1] + (s[i] == 'I');
		cntj[i] = cntj[i - 1] + (s[i] == 'J');
		cnto[i] = cnto[i - 1] + (s[i] == 'O');
		pair <int, int> v = {cntj[i] - cnti[i], cntj[i] - cnto[i]};
		if(m[v] == 0)
			m[v] = i;
	}
	int ans = 0;
	for(int i = n; i >= 1; i--)
	{
		pair <int, int> v = {cntj[i] - cnti[i], cntj[i] - cnto[i]};
		int j = m[v];
		ans = max(ans, i - j);
	}

	cout << ans;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 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 Incorrect 2 ms 376 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 508 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

# Verdict Execution time Memory Grader output
1 Correct 5 ms 632 KB Output is correct
2 Correct 11 ms 1272 KB Output is correct
3 Correct 17 ms 2040 KB Output is correct
4 Correct 32 ms 3404 KB Output is correct
5 Correct 49 ms 5164 KB Output is correct
6 Correct 61 ms 5840 KB Output is correct
7 Correct 64 ms 6456 KB Output is correct
8 Correct 61 ms 5784 KB Output is correct
9 Correct 62 ms 5956 KB Output is correct
10 Correct 59 ms 5724 KB Output is correct
11 Correct 56 ms 7260 KB Output is correct
12 Correct 40 ms 4300 KB Output is correct
13 Correct 37 ms 3660 KB Output is correct
14 Correct 60 ms 7916 KB Output is correct
15 Correct 37 ms 3524 KB Output is correct