Submission #381386

#	Time	Username	Problem	Language	Result	Execution time	Memory
381386		ikg	ZigZag (COCI17_zigzag)	C++14	24 / 80	362 ms	23916 KiB

zigzag

    // by ikg

#include <bits/stdc++.h>

using namespace std;

const int E9 = 1e9;
const int E8 = 1e8;
const int E7 = 1e7;
const int E6 = 1e6;
const int E5 = 1e5;
const int E4 = 1e4;
const int E3 = 1e3;

const int N = 5e5+7;
const long long INF = 1e18;

#define gcd __gcd
#define ll long long
#define pb push_back
#define re return
#define fi first
#define se second
#define ld long double
#define debug cout<<"bug "
#define endl cout<<'\n'
#define sz(x) ((int)(x).size())
#define all(x) (x).begin(),(x).end()
#define ios ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);

#define sd(x) scanf("%d",&x)
#define sll(x) scanf("%lld",&x)
#define sld(x) scanf("%lf",&x)
#define pd(x) printf("%d",x)
#define pll(x) printf("%lld",x)
#define pld(x) printf("%lf",x)

string s[N];
map<char, vector<string> > mp;
map<char, int> us;

int main ()
{
    int n, q;
    cin >> n >> q;
    for (int i = 1; i <= n; ++i)
    {
        cin >> s[i];
    }
    sort(s+1,s+1+n);
    for (int i = 1; i <= n; ++i)
    {
        mp[s[i][0]].pb(s[i]);
    }
    while (q--)
    {
        char c;
        cin >> c;
        us[c]++;
        if (us[c]>sz(mp[c]))
        {
            cout << mp[c][0];
        }
        else
        {
            cout << mp[c][us[c]-1];
        }
        endl;
    }
}

• Subtask 1: 24 / 80