Submission #639434

#	Time	Username	Problem	Language	Result	Execution time	Memory
639434		inksamurai	ZigZag (COCI17_zigzag)	C++17	80 / 80	95 ms	12368 KiB

zigzag

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define rng(i,c,n) for(int i=c;i<n;i++)
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define vec(...) vector<__VA_ARGS__>
#define _3xaMC2q ios::sync_with_stdio(0),cin.tie(0)
typedef long long ll;
using pii=pair<int,int>;
using vi=vector<int>;
void print(){cout<<'\n';}
template<class h,class...t>
void print(const h&v,const t&...u){cout<<v<<' ',print(u...);}
//e

signed main(){
_3xaMC2q;
	int n,q;
	cin>>n>>q;
	vec(set<pair<int,string>>) rbts(26);
	rep(i,n){
		string s;
		cin>>s;
		rbts[s[0]-'a'].insert(pair<int,string>(0,s));
	}
	rep(_,q){
		char ch;
		cin>>ch;
		int need=ch-'a';	
		assert(sz(rbts[need]));
		auto it=rbts[need].begin();
		pair<int,string> now=*it;
		rbts[need].erase(it);
		now.fi+=1;
		cout<<now.se<<"\n";
		rbts[need].insert(now);
	}
}

• Subtask 1: 80 / 80