Not giving output

#1

I m trying these in practicals but output is coming -1 only… Not working properly

#2

@ssmit_joshi hey please send me your code of binary search.

#3

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#4
#5

binary search not declared is showing

#6

Hey @ssmit_joshi
Since u have created ur function after main ,u have to declare it before main by adding

int binary_search(int a[],int n,int key);

before int main()

If this resolves your query then please mark it as resolved :slight_smile: