Submission #76620455

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Source Code Expand

#include<bits/stdc++.h>
#define int long long
using namespace std;
string s, ans;
signed main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin >> s;
	for (int i = 0 ; i < s.size() ; i ++) {
		char c = s[i];
		if (c <= '9' && c >= '0') {
			ans += c;
		}
	}
	cout << ans;
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function 'int main()':
./Main.cpp:10:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |         for (int i = 0 ; i < s.size() ; i ++) {
      |                          ~~^~~~~~~~~~

Judge Result