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Arrays - Programming

Q1:

What will be the output of the program ? 
#include<stdio.h>

int main()
{
    int arr[1]={10};
    printf('%d\n', 0[arr]);
    return 0;
}

A 1

B 10

C 0

D 6

ANS:A - 1

Step 1: int arr[1]={10}; The variable arr[1] is declared as an integer array with size '2' and it's first element is initialized to value '10'(means arr[0]=10) Step 2: printf('%d\n', 0[arr]); It prints the first element value of the variable arr. Hence the output of the program is 10.