Submission #211964

#	Time	Username	Problem	Language	Result	Execution time	Memory
211964		tleontest1	ZigZag (COCI17_zigzag)	C++14	80 / 80	332 ms	13060 KiB

zigzag

#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")

#include <bits/stdc++.h>

using namespace std;

typedef long long lo;
typedef pair< lo,lo > PII;

#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=1;i<=n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)

const lo MAX = -1000000000000000000;
const lo MIN = 1000000000000000000;
const lo inf = 1000000000;
const lo KOK = 100000;
const lo LOG = 30;
const int li = 100002;
const lo mod = 1000000007;

int n,m,b[li],a[li],k,flag,t;
int cev;
string s[li];
set<int> st[27][4];
vector<int> v;

int main(void){
	fio();
	cin>>n>>k;
	FOR{
		cin>>s[i];
		
	}
	sort(s+1,s+n+1);
	FOR{
		st[s[i][0]-'a'][0].insert(i);
	}
	while(k--){
		char c;
		cin>>c;
		while(st[c-'a'][a[c-'a']].size()==0)a[c-'a']=!a[c-'a'];
		auto it=st[c-'a'][a[c-'a']].begin();
		cout<<s[*it]<<endl;
		st[c-'a'][!a[c-'a']].insert(*it);
		st[c-'a'][a[c-'a']].erase(it);
	}
	return 0;
}

• Subtask 1: 80 / 80