oj.uz

Submission #328538

# Submission time Handle Problem Language Result Execution time Memory
328538 2020-11-17T03:55:51 Z sumit_kk10 JOIOJI (JOI14_joioji) C++14
95 / 100
 45 ms 6136 KB 
#include <bits/stdc++.h>
#define fast ios_base::sync_with_stdio(0);cin.tie(NULL);cout.tie(NULL)
#define ll long long int
#define ld long double
using namespace std;
const int N = 1e6 + 5;
const int MOD = 1e9 + 7;

void solve(){
	int n, j = 0, ii = 0, ans = 0, o = 0;
	cin >> n;
	string s;
	cin >> s;
	map<pair<int, int>, int> mp;
	mp[{0, 0}] = 1;
	for(int i = 0; i < s.size(); ++i){
		if(s[i] == 'J') ++j;
		if(s[i] == 'O') ++o;
		if(s[i] == 'I') ++ii;
		if(mp.find({j - o, j - ii}) == mp.end())
			mp[{j - o, j - ii}] = i + 1;
		else
			ans = max(ans, i + 1 - mp[{j - o, j - ii}]);
	}
	cout << ans << '\n';
}

int main(){
	fast;
	int t = 1;
	// cin >> t;
	while(t--)
		solve();
	return 0;
}

Compilation message

joioji.cpp: In function 'void solve()':
joioji.cpp:16:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |  for(int i = 0; i < s.size(); ++i){
      |                 ~~^~~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Incorrect 1 ms 364 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 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct

Subtask #3
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 492 KB Output is correct
2 Correct 7 ms 1004 KB Output is correct
3 Correct 11 ms 1388 KB Output is correct
4 Correct 23 ms 2156 KB Output is correct
5 Correct 35 ms 3448 KB Output is correct
6 Correct 44 ms 3468 KB Output is correct
7 Correct 45 ms 3960 KB Output is correct
8 Correct 42 ms 3320 KB Output is correct
9 Correct 44 ms 3576 KB Output is correct
10 Correct 41 ms 3448 KB Output is correct
11 Correct 43 ms 5112 KB Output is correct
12 Correct 31 ms 2172 KB Output is correct
13 Correct 26 ms 1528 KB Output is correct
14 Correct 38 ms 6136 KB Output is correct
15 Correct 17 ms 1144 KB Output is correct