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  1. #include <iostream>
  2. #include <string>
  3. #include <vector>
  4. #include <algorithm>
  5.  
  6. using namespace std;
  7.  
  8. struct data_t {
  9.     int num;
  10.     string str;
  11. };
  12.  
  13. // 比較関数を定義
  14. bool asc( const data_t& left, const data_t& right ) {
  15.     return left.num == right.num ? left.str < right.str : left.num < right.num;
  16. }
  17.  
  18. int main(){
  19.     vector<data_t> data_array(3);
  20.  
  21.     data_array[0].num = 15;
  22.     data_array[0].str = "zzz";
  23.     data_array[1].num = 30;
  24.     data_array[1].str = "aaa";
  25.     data_array[2].num = 15;
  26.     data_array[2].str = "ccc";
  27.  
  28.     sort(data_array.begin(), data_array.end(), asc);
  29.  
  30.     for(int i = 0; i < data_array.size(); ++i){
  31.         cout << "i " << i << ": " << endl;
  32.         cout << "  num: " << data_array[i].num << endl;
  33.         cout << "  str: " << data_array[i].str << endl;
  34.     }
  35.     return 0;
  36. }
  37.  
Success #stdin #stdout 0s 2992KB
comments (?)
stdin
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Standard input is empty
stdout
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i 0: 
  num: 15
  str: ccc
i 1: 
  num: 15
  str: zzz
i 2: 
  num: 30
  str: aaa
https://ideone.com/nWAHLU
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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