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  1. #include <iostream>
  2. #include <stdexcept>
  3. #include <string>
  4. using namespace std;
  5.  
  6. int main() {
  7.     string i;
  8.  
  9.     cin >> i;
  10.  
  11.     try {
  12.         cout << stoi(i) << " is a number\n";
  13.     } catch(const invalid_argument& /*e*/) {
  14.         cout << i << " is not a number\n";
  15.     }
  16. }
Success #stdin #stdout 0s 3460KB
comments (?)
stdin 
1.3
stdout 
1 is a number
https://ideone.com/HTT3Dr
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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