Submission #293380

#	Time	Username	Problem	Language	Result	Execution time	Memory
293380		7_7_7	Elder (COCI19_elder)	C++17	50 / 50	1 ms	392 KiB

elder

#include <bits/stdc++.h>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(false);

    char x, a, b;
    int n, cnt = 1;
    cin >> x >> n;
    map<char, int> used;
    used[x] = 1;
    for(int i = 1; i <= n; i ++){
        cin >> a >> b;
        if(b == x){
            x = a;
            used[x] = 1;
        }
    }
    cout << x << "\n" << (int)used.size() << "\n";
}

Compilation message (stderr)

elder.cpp: In function 'int main()':
elder.cpp:10:12: warning: unused variable 'cnt' [-Wunused-variable]
   10 |     int n, cnt = 1;
      |            ^~~

• Subtask 1: 50 / 50