c program for insertion sort | CTechnotips


Source code of simple insertion sort implementation using array in ascending order in c programming language

#include<stdio.h>
int main(){
  int i,j,s,temp,a[20];
  printf("Enter total elements: ");
  scanf("%d",&s);
  printf("Enter %d elements: ",s);
  for(i=0;i<s;i++)
      scanf("%d",&a[i]);
  for(i=1;i<s;i++){
      temp=a[i];
      j=i-1;
      while((temp<a[j])&&(j>=0)){
      a[j+1]=a[j];
          j=j-1;
      }
      a[j+1]=temp;
  }
  printf("After sorting: ");
  for(i=0;i<s;i++)
      printf(" %d",a[i]);
  return 0;
}

Output:

Enter total elements: 5
Enter 5 elements: 3 7 9 0 2
After sorting:  0 2 3 7 9

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