Submission #674403

#	Time	Username	Problem	Language	Result	Execution time	Memory
674403		QwertyPi	Treasure (info1cup19_treasure)	C++14	100 / 100	8 ms	1092 KiB

treasure

#include <bits/stdc++.h>

using namespace std;

const int MAXN = 2e5 + 11;

int main(){
	int n, k; cin >> n >> k;
	string s; cin >> s;
	vector<int> eq; eq.push_back(0);
	string ans;
	char pv = -1;
	for(auto c : s){
		if(c == pv) eq.push_back(eq.back() + 1);
		else eq.push_back(1);
		ans.push_back(c);
		if(eq.back() >= k){
			for(int i = 0; i < k; i++) ans.pop_back(), eq.pop_back();
			pv = ans.empty() ? -1 : ans.back();
		}else{
			pv = c;
		}
	}
	cout << ans << endl;
}

• Subtask 1: 35 / 35
• Subtask 2: 65 / 65