Counting Array Elements using sizeof() Operator

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C Programming: Count Array Elements by using sizeof() Operator in C Programming.
Topics discussed:
1) C program to find the number of elements in an array using sizeof() operator.

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#CProgrammingByNeso #CProgramming #sizeofOperator #ArrayInC

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ysailokesh

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Thank you.

anuragpimpalkar

Happy teacher day sir
Thanku to make learning C so simple

palakgoyal

You just wrote 152 elements only to show us how the sizeof operator works!
Really admirable ❤

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ayushpawar

Thank you so much! I was really struggling to understand summing arrays coming from python to c++, but you cleared it up perfectly!

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mdalaminhossian

thumbs up for simple and easy explanation

Make_it-Simple

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saruulnasanjargal

I am normally using Python, but I would like to learn C++ as well.
Let's say I would like to create a function which would iterate through an array of integers:
1. I declare the function ahead... int arrayIterator(*int arrayInput) with a pointer to the array as an argument.
2. In the int main() function I declare an array and then pass it into the function arrayIterator.
3. The function arrayIterator under main function has a for loop, I would like to iterate through each element of the array.

To iterate through each element with a for loop, I need to know the size of the array. How do I get it from outside the main function? Is it even possible? The only way which worked and I came up with was to pass the size as a second argument (sizeof(arrayInput) / sizeof(arrayInput[0]))

tomasprejda

Counting Array Elements using sizeof() Operator

Counting Array Elements using sizeof() Operator

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