#include <stdio.h>
  int main(void)
    {
      int i=0,j,a[9];

      while(a[i]!= 42)
       {
         ++i;
         scanf("%d",&a[i]);
       }
     for(j=0;j<i;j++)
     {
      printf("%d",a[j]);
       printf("n");
      }
    return 0;
  }

#include <stdio.h>
int main(void)
 {
  int i=0,j,a[9];

 scanf("%d",&a[i]);
 printf("%dn",a[i]);

 while(a[i]!=42)
  {
   ++i;
   scanf("%d",&a[i]);
   if(a[i]!=42)
    printf("%dn",a[i]);
  }
}

#include <stdio.h>

  int main(void)
  {
   int i = 0;
   while (scanf("%dn", &i) > 0 && i != 42)
   {
    printf("%dn", i);
   }
    return 0;
   }

#include <stdio.h>

int main(void)
{
    int i = 0;
    while (scanf("%dn", &i) > 0 && i != 42)
    {
        printf("%dn", i);
    }
    return 0;
}

#include <stdio.h>

int main(void)
{
    int i=0,j,a[9]; // this will be past the end of the array after 9 inputs

    // the following 'while' loop will run forever, progressively
    // writing further and further past the end of the
    // a[] array until a seg fault occurs
    while(a[i]!= 42)  // the a[] array contains garbage
    {
        ++i;          // this 'pre-increment' results in skipping a[0]
        scanf("%d",&a[i]); // will fail due to no allowance for white space
    }

    // execution will never get here
    for(j=0;j<i;j++)  // tries to print a[0] which is not initialized
    {
        printf("%d",a[j]);
        printf("n");
    }
    return 0;
}

#include <iostream>
#include <vector>
#include <iterator>
using namespace std;

int main() {
    vector<int> v;
    int i=0,input;
    vector<int>::iterator ip;
    while(i!=5)
    {
        cin>>input;
        if(input!=42)
        {
            v.push_back(input);
        }
        else{
            break;
        }
    }
    cout<<"size of vector is: "<<v.size()
    ;
    for(ip=v.begin();ip!=v.end();ip++)
    cout<<*ip<<endl;
    return 0;
}