write a c program to find out second smallest element of an unsorted array | CTechnotips

C program to find the second smallest element in an array

#include<stdio.h>

int main(){

  int a[50],size,i,j=0,small,secondsmall;

  printf("Enter the size of the array: ");

  scanf("%d",&size);

  printf("Enter %d elements in to the array: ", size);

  for(i=0;i<size;i++)

         scanf("%d",&a[i]);

  small=a[0];

  for(i=1;i<size;i++){

         if(small>a[i]){

               small=a[i];

               j = i;

      }

  }

  secondsmall=a[size-j-1];

  for(i=1;i<size;i++){

         if(secondsmall > a[i] && j != i)

              secondsmall =a[i];

  }

  printf("Second smallest: %d", secondsmall);

  return 0;

}

Enter the size of the array: 5

Enter 5 elements in to the array: 5 7 3 2 6

Second smallest: 3