Submission #707368

#	Time	Username	Problem	Language	Result	Execution time	Memory
707368		KLPP	Election (BOI18_election)	C++14	28 / 100	3074 ms	1784 KiB

election

#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 / 28
• Subtask 2: 0 / 54
• Subtask 3: 0 / 18