Submission #222079

#	Time	Username	Problem	Language	Result	Execution time	Memory
222079		kartel	Elder (COCI19_elder)	C++14	50 / 50	5 ms	384 KiB

elder

#include <bits/stdc++.h>
#define in(x) freopen(x,"r",stdin)
#define out(x) freopen(x,"w",stdout)
#define F first
#define S second
#define pb push_back
#define M ll(998244353)
#define inf ll(2e9+7)
#define N ll(100500)
#define sz(x) x.size()
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define el '\n'
using namespace std;
typedef unsigned long long ull;
typedef long long ll;
typedef long double ld;

//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//using namespace __gnu_pbds;
//typedef tree <ll, null_type, less_equal <ll>, rb_tree_tag, tree_order_statistics_node_update> os;

char c, a, b;
int q;
set <char> s;

int main()
{
//    in("input.txt");
//    out("output.txt");

    ios_base::sync_with_stdio(false);
    iostream::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> c;
    cin >> q;
    s.insert(c);
    while (q--)
    {
        cin >> a >> b;
        if (b == c) c = a, s.insert(c);
    }
    cout << c << el << s.size();
}

• Subtask 1: 50 / 50