为什么c=2而不等于3啊?#include <stdio.h>int f(int i){return ++i}int g(int &i){return ++i}int h(char&i)(return ++i}
main(){int a=0,b=0,c=0;a+=f(g(a));b+=g(g(b));c+=f(h(c));print("a=%d,b=%d,c=%d",a,b,c);}