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  1. #include <iostream>
  2. #include <vector>
  3. #include <algorithm>
  4.  
  5. // Function used to compare two ints
  6. // Note that the comparison will just compare a and b, nothing to do with time
  7. bool compareInt(int a, int b)
  8. {
  9. 	return a > b;
  10. }
  11.  
  12. int  main(){
  13.  
  14.     std::vector<int> time={5, 16, 4, 7};
  15.     std::vector<int> amplitude={10,17,8,16};
  16.     std::vector<int> index(time.size(), 0);
  17.  
  18.     for (int i = 0 ; i != index.size() ; i++) {
  19.         index[i] = i;
  20.     }
  21.  
  22. 	// This sort method uses a function (compareInt) to compare the elements
  23. 	// Not that the result of the program will be wrong since it will just
  24. 	// compare the elements from index and not from the vector time
  25.     sort(index.begin(), index.end(), compareInt);
  26.  
  27.     std::cout << "Time \t Ampl \t idx" << std::endl;
  28.     for (int ii = 0 ; ii != index.size() ; ++ii) {
  29.         std::cout << time[index[ii]] << " \t " << amplitude[index[ii]] << " \t " << index[ii] << std::endl;
  30.     }
  31. }
Success #stdin #stdout 0s 4576KB
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stdin
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Standard input is empty
stdout
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Time 	 Ampl 	 idx
7 	 16 	 3
4 	 8 	 2
16 	 17 	 1
5 	 10 	 0
https://ideone.com/ZIbTWD
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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