Geeksforgeeks Solution For " Search an Element in an array "

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Problem :- Given an integer array and an element x, find if element is present in array or not. If element is present, then print index of its first occurrence. Else print -1.

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Solution :- 

#include<stdio.h>
int main() 
{
    int t;
    scanf("%d",&t);
    while(t--)
    {
   int a[100], ele, num, i;
   scanf("%d", &num);
   for (i = 0; i < num; i++) 
   {
      scanf("%d", &a[i]);
   }
   scanf("%d", &ele);
   i = 0;
   while (i <num) 
   {
       if(a[i]==ele)
       {
           printf("%d",i);
           break;
       }
       i++;
   }
   if (i==num) 
   {
      printf("-1");
   } 
   printf("\n");
    }
   return (0);
}

Output:-