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How to pass an array by reference in C++
If we pass the address of an array while calling a function, then this is called function call by reference. The function declaration should have a pointer as a parameter to receive the passed address, when we pass an address as an argument.
Example Code
#include <iostream> using namespace std; void show( int *num) { cout<<*num; } int main() { int a[] = {3,2,1,6,7,4,5,0,10,8}; for (int i=0; i<10; i++) { show (&a[i]); } return 0; }
Output
32167450108
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