Submission #1846515

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Source Code Expand

#include <iostream>
#include <string>

using namespace std;

string S;

int main(void)
{
	cin >> S;
	int ans = 0;
	for(int i = 0; i < S.size(); i++){
		if(S[i] == '1') ans++;
	}
	cout << ans << endl;
	return 0;
}

Submission Info

Judge Result