8f1093f
6973d36
1 2 3 4 5 6 7 8
9
10
11
12 13
#include <iostream> void incr(int &y) { y = y+1; } int main() { int x = 5; std::cout << "x = " << x << "\n"; incr(x); std::cout << "x = " << x << "\n"; }