oj.uz

Submission #707368

# Submission time Handle Problem Language Result Execution time Memory
707368 2023-03-08T22:53:36 Z KLPP Election (BOI18_election) C++14
28 / 100
 3000 ms 1784 KB 
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
 
using namespace std;
using namespace __gnu_pbds;
typedef long long int lld;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
#define rep(i,a,b) for(int i=a;i<b;i++)
#define trav(a,v) for(auto a:v)

void solve(){
	/*freopen("cardgame.in", "r", stdin);
	freopen("cardgame.out", "w", stdout);*/
	int n,q;
	cin>>n;
	string s;
	cin>>s;
	cin>>q;
	while(q--){
		int l,r;
		cin>>l>>r;
		l--;r--;
		lld sum=0;
		lld pref=0;
		lld ans=0;
		rep(i,l,r+1){
			lld x=1;
			if(s[i]=='T')x*=-1;
			sum+=x;
			pref=max(0LL,pref+x);
			ans=max(ans,pref);
		}
		cout<<ans-sum<<"\n";
	}
}
	

int main(){
	ios::sync_with_stdio(0); cin.tie(0); cout.precision(16);
	int tt=1;
	//cin>>tt;
	rep(test,0,tt){
		solve();
	}
}

Subtask #1
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 328 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct

Subtask #2
0 / 54.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 328 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 1517 ms 1784 KB Output is correct
7 Execution timed out 3074 ms 1388 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 328 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 1517 ms 1784 KB Output is correct
7 Execution timed out 3074 ms 1388 KB Time limit exceeded
8 Halted 0 ms 0 KB -