#include <iostream> using namespace std; int calc(int &a,int &b,int c=6) { a+=b; b-=c; c=a+b; } int main() { int calc(int,int,int); int x=2,y=3,z=4; cout<<x<<endl<<y<<endl<<z<<endl; calc(x,y,z); cout<<x<<endl<<y<<endl<<z<<endl; calc(5,6,z); cout<<x<<endl<<y<<endl<<z<<endl; return 0; }

Question

what's wrong with the program its showing error

Answer 1

the calc function is declared and defined as int but returns nothing...try using void..

Answer 2

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Answer 3

this is hard where are the answers

Answer 4

Remove the "int calc(int,int,int);" line. Also, "calc(5,6,z);" will give you an error since calc need variables for the first two parameters.

Answer 5

nope it shows error when ever I use & symbol can u show me any function having &