제출 #372993

#제출 시각아이디문제언어결과실행 시간메모리
372993sam571128Sifra (COCI21_sifra)C++14
50 / 50
1 ms364 KiB
#include <bits/stdc++.h>

#define int long long
#define fastio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

using namespace std;

signed main(){
	fastio
	string s;
	cin >> s;
	for(auto &c  :s){
		if(c>='a'&&c<='z') c = ' ';
	}
	stringstream ss(s);
	set<int> st;
	int num;
	while(ss >> num){
		st.insert(num);
	}
	cout << st.size() << "\n";
}
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