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  1. #include <iostream>
  2. #include <string>
  3. #include <vector>
  4. using namespace std;
  5.  
  6. int main(){
  7.     string s;
  8.     cin >> s;
  9.     vector<int> arr(s.size());
  10.     int j = 0;
  11.     for(auto ch : s){
  12. 		if (ch >= '0' && ch <= '9') {
  13.         	arr[j] = ch - '0';
  14.         	++j;
  15. 		} else {
  16. 			cerr << "Bad input: " << ch << endl;
  17. 		}
  18.     }
  19.     for(int i = 0; i < j; ++i)
  20.     	cout << arr[i];
  21. }
Success #stdin #stdout 0s 5552KB
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https://ideone.com/kwo7xF
language:
C++ 4.3.2 (gcc-4.3.2)
created:
4 years ago
visibility:
public

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