Submission #157573

#	Time	Username	Problem	Language	Result	Execution time	Memory
157573		dcj	Elder (COCI19_elder)	C++14	50 / 50	2 ms	380 KiB

elder

#include <iostream>

using namespace std;

char Z1, Z2, p;
int N, br=0, v[30];
	
int main()
{
	cin >> p;
	cin >> N;
	v[p - 'A'] = 1;
	for (int i=1; i<=N;i++) {
		cin >> Z1 >> Z2;
		if (Z2==p) {
			v[Z1 - 'A']=1;
			p=Z1;
		}
	}
	for (int i=0;i<=26;i++) 
		br+=v[i];
	cout << p << endl;
	cout << br;
	
	return 0;
}

• Subtask 1: 50 / 50