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#include <iostream>
using namespace std;
 
void myswap(int*a, int* b) {
    *a = *b;
}
 
int main() {
    int x=1, y=2;
    myswap(x,y);
    cout << "x=" << x << ", y=" << y << '\n' ;
}

prog.cpp: In function 'int main()':
prog.cpp:10:15: error: invalid conversion from 'int' to 'int*' [-fpermissive]
     myswap(x,y);
               ^
prog.cpp:4:6: note:   initializing argument 1 of 'void myswap(int*, int*)'
 void myswap(int*a, int* b) {
      ^
prog.cpp:10:15: error: invalid conversion from 'int' to 'int*' [-fpermissive]
     myswap(x,y);
               ^
prog.cpp:4:6: note:   initializing argument 2 of 'void myswap(int*, int*)'
 void myswap(int*a, int* b) {
      ^

Standard output is empty