📅  最后修改于: 2022-03-11 15:04:38.904000             🧑  作者: Mango
int x;
int y;
x = 1;
y = ++x; // value of x = 2, y = 2
y = x++; // value of x = 3, y = 2
x = 3;
y = x--; //value of x =2,y =3;
y = --x; //value of x 1, y= 1;