Submission #861389

#	Time	Username	Problem	Language	Result	Execution time	Memory
861389		maks007	Election (BOI18_election)	C++14	0 / 100	7 ms	348 KiB

election

#include "bits/stdc++.h"

using namespace std;

signed main () {
	int n;
	cin >> n;
	string str;
	cin >> str;
	int q;
	cin >> q;
	while(q --) {
		int l, r;
		cin >> l >> r;
		l --, r --;
		int bal = 0, cnt1 = 0, cnt2 = 0;
		for(int i = l; i <= r; i ++) {
			if(str[i] == 'C') bal ++;
			else if(bal == 0) {
				cnt1 ++;
			}else bal --;
		}
		 bal = 0;
		for(int i = r; i >= l; i --) {
			if(str[i] == 'C') bal ++;
			else if(bal == 0) {
				cnt2 ++;
			}else bal --;
		}
		cout << max(cnt1, cnt2) << "\n";
	}
	return 0;
}

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