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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4.  
  5. int main() {
  6.     string s = "2123dog";
  7.     int n = stoi(s.substr(0, 1), NULL);
  8.     int n2 = stoi(s.substr(1, n), NULL);
  9.     int n3 = stoi(s.substr(1 + n, 2 + n), NULL);
  10.     string resto = s.substr(2 + n);
  11.     cout << n << " - " << n2 << " - " << n3 << " - " << resto;
  12.     return 0;
  13. }
Success #stdin #stdout 0s 4516KB
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Standard input is empty
stdout
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2 - 12 - 3 - dog
https://ideone.com/oOblT3
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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