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  1. #include <string>    
  2. #include <iostream>
  3. #include <cstdlib>
  4. //using namespace std;
  5. int CompareString( const void * e1, const void * e2) {
  6.     std::string * s1 = (std::string * ) e1;
  7.     std::string * s2 = (std::string * ) e2;
  8.     if( *s1 < *s2 )     return -1;
  9.     else if( *s1 == *s2 ) return 0;
  10.     else if( *s1 > *s2 ) return 1;
  11. }
  12.  
  13. int main() {
  14. //    string Array[4] = {"hehe","789","456","123"};
  15.     std::string *Array[4] = {
  16.         new std::string("hehe"),
  17.         new std::string("789"),
  18.         new std::string("456"),
  19.         new std::string("123")
  20.     };
  21.  
  22.     qsort(Array,4,sizeof(std::string *),CompareString);
  23.     for( int i = 0;i < 4;++i )
  24.         std::cout << *Array[i] << std::endl;
  25.     return 0;
  26. }
  27.  
Success #stdin #stdout 0s 3468KB
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stdin
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Standard input is empty
stdout
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hehe
789
456
123
https://ideone.com/8QA5g5
language:
C++14 (clang 8.0)
created:
8 years ago
visibility:
public

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