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  1. #import <string>
  2. #import <stdio.h>
  3.  
  4. float operator-(std::string s, int i) {
  5.   return (float)std::stoi(s) - i;
  6. }
  7.  
  8. int main () {
  9.   std::string s = "5";
  10.   int i = 2;
  11.  
  12.   float f = s - i;
  13.  
  14.   printf("%f\n", f);
  15.   return 0;
  16. }
Success #stdin #stdout 0s 15232KB
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stdin
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Standard input is empty
stdout
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3.000000
https://ideone.com/z995w8
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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