How can I convert this code to c++

Please convert following programs to C++first. Then, please compile and execute each program and check your output. Please also submit your file in C+(cpp). 1. 1st Program #include int main (void) int *ptr; int x; ptr = &x; ptr0; printf(" x = %d ", x) ; printf (" *ptr = %d ", *ptr) ; *ptr += 5; printf ( " x- printf(" *ptr %d ", x) ; = %d ", *ptr) ; (*ptr) ++ printf(" printf(" return 0 x = %d ", x) ; *ptr = %d ", *ptr)