Question

Write a program that prompts the user to enter three integers and display the integers in non-decreasing order.

For example if you enter 10 and 9 and 12, in the result we will first see 9, then 10 and then 12 (because 9 < 10 < 12).

**using c++

Answer 1

#include <iostream>

#define PI 3.14159265358979323846

using namespace std;

void smallSort(int &i, int &j, int &k){
   int f = i,s = j,t = k;
   if(f<s && f<t){
      i = f;
      if(s<t){
         j = s;
         k = t;
      }
      else{
         j = t;
         k = s;
      }
   }
   else if(s<f && s<t){
      i = s;
      if(f<t){
         j = f;
         k = t;
      }
      else{
         j = t;
         k = f;
      }
   }
   else{
      i = t;
      if(f<s){
         j = f;
         k = s;
      }
      else{
         j = s;
         k = f;
      }
   }
   
}

int main()
{
   int first;
   int second;
   int third;
   cout<<"Please enter 3 numbers: ";
   cin>>first;
   cin>>second;
   cin>>third;
   smallSort(first, second, third);
   cout<<"\nNumbers in non decreasing order:"<<endl;
   
   cout<<first<<endl;
   cout<<second<<endl;
   cout<<third<<endl;
   
   return 0;
}