Submission #893179

#	Time	Username	Problem	Language	Result	Execution time	Memory
893179		LCJLY	Election (BOI18_election)	C++14	0 / 100	3 ms	344 KiB

election

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ld long double
#define show(x,y) cout << y << " " << #x << endl;
#define show2(x,y,i,j) cout << y << " " << #x << "  " << j << " " << #i << endl;
#define show3(x,y,i,j,p,q) cout << y << " " << #x << "  " << j << " " << #i << "  " << q << " " << #p << endl; 
#define show4(x,y) for(auto it:x) cout << it << " "; cout << #y << endl;
typedef pair<int,int>pii;
typedef pair<pii,pii>pi2;

void solve(){	
	int n,q;
	cin >> n;
	
	string s;
	cin >> s;
	int arr[n+1];
	for(int x=1;x<=n;x++){
		if(s[x-1]=='T')arr[x]=1;
		else arr[x]=-1;
	}
	
	cin >> q;
	int l,r;
	for(int x=0;x<q;x++){
		cin >> l >> r;
		
		int maxi=0;
		int counter=0;
		for(int y=l;y<=r;y++){
			counter+=arr[y];
			maxi=max(maxi,counter);
		}
		counter=0;
		for(int y=r;y>=l;y--){
			counter+=arr[y];
			maxi=max(maxi,counter);
		}
		
		cout << maxi << "\n";
	}
}

int32_t main(){										
	ios::sync_with_stdio(0);	
	cin.tie(0);
	//freopen("in.txt", "r", stdin);
	int t=1;
	//cin >> t;
	while(t--){
		solve();
	}	
}



		


		
		
	

• Subtask 1: 0 / 28
• Subtask 2: 0 / 54
• Subtask 3: 0 / 18