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std::stable_sort

Patrick J_Z answered on December 30, 2022 Popularity 3/10 Helpfulness 1/10

answer std::stable_sort

std::stable_sort

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// stable_sort example
#include <iostream>     // std::cout
#include <algorithm>    // std::stable_sort
#include <vector>       // std::vector

bool compare_as_ints (double i,double j)
{
  return (int(i)<int(j));
}

int main () {
  double mydoubles[] = {3.14, 1.41, 2.72, 4.67, 1.73, 1.32, 1.62, 2.58};

  std::vector<double> myvector;

  myvector.assign(mydoubles,mydoubles+8);

  std::cout << "using default comparison:";
  std::stable_sort (myvector.begin(), myvector.end());
  for (std::vector<double>::iterator it=myvector.begin(); it!=myvector.end(); ++it)
    std::cout << ' ' << *it;
  std::cout << '\n';

  myvector.assign(mydoubles,mydoubles+8);

  std::cout << "using 'compare_as_ints' :";
  std::stable_sort (myvector.begin(), myvector.end(), compare_as_ints);
  for (std::vector<double>::iterator it=myvector.begin(); it!=myvector.end(); ++it)
    std::cout << ' ' << *it;
  std::cout << '\n';

  return 0;
}

Popularity 3/10 Helpfulness 1/10 Language cpp

Source: cplusplus.com

Tags: c++

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Contributed on Dec 30 2022

Patrick J_Z

0 Answers Avg Quality 2/10

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