제출 #222104

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
222104		VEGAnn	Elder (COCI19_elder)	C++14	50 / 50	5 ms	384 KiB

elder

#include <bits/stdc++.h>
#define pii pair<int,int>
#define ft first
#define sd second
using namespace std;
typedef long long ll;
const int N = 1000100;
const ll OO = 1e18;
char st;
int n, ans = 0;
bool mrk[26];

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);

//    freopen("in.txt","r",stdin);

    cin >> st >> n;

    mrk[st - 'A'] = 1;

    for (int i = 0; i < n; i++){
        char c1, c2; cin >> c1 >> c2;

        if (st == c2){
            mrk[c1 - 'A'] = 1;
            st = c1;
        }
    }

    cout << st << '\n';

    for (int i = 0; i < 26; i++)
        ans += mrk[i];

    cout << ans;

    return 0;
}

• Subtask 1: 50 / 50