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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5.   int* ptr;
  6.   int n,j,i,num,v;
  7.  
  8.   printf("Enter number of elements:");
  9.   scanf("%d",&n);
  10.   printf("Entered number of elements: %d\n", n);
  11.   ptr = (int*)malloc(n * sizeof(int));
  12.  
  13.   for (i = 0; i < n; ++i) {
  14.   scanf("%d", &v);
  15.   ptr[i] = v;
  16.   }
  17.   i=0;
  18.   j=0;
  19.   while(i<n && j<n){
  20.  
  21.   if (ptr[j]%2==0){
  22.     num=ptr[i];
  23.     ptr[i]=ptr[j];
  24.     ptr[j]=num;
  25.     i+=2;
  26.     j=i;
  27.   }
  28.   j++;
  29.  
  30.   }
  31.  
  32.   printf("The elements of the array are: ");
  33.   for (i = 0; i < n; ++i) {
  34.   printf("%d, ", ptr[i]);
  35.   }
  36. }
Success #stdin #stdout 0s 5668KB
comments (?)
stdin
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3 1 4 2
stdout
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Enter number of elements:Entered number of elements: 3
The elements of the array are: 4, 1, 2,
https://ideone.com/lE9VQF
even before odd
language:
C (gcc 8.3)
created:
2 years ago
visibility:
secret

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