Answers for "Why it is necessary to give the size of an array in array declaration in c?"

size of an array c

int a[20];
int length;
length = sizeof(a) / sizeof(int);

Posted by: Guest on October-25-2020

size of an array c

int a[]= { 1, 2, 3, 4, 5, 6, 7 };
int length = sizeof(a) / sizeof(a[0]); //return 7

Posted by: Guest on April-01-2021

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