今天我們主要說的還是C的基礎,這次我們主要由代碼來具體說明。
首先來說說最頭疼的問題a=i++與a=++i的區別,a=i++是先賦值再自增,a=++i是先自增再賦值
printf("**********************\n");
int z=1;
int j =z++;
//j=1 z=2
printf("z = %d",z);
printf("j = %d\n",j);
j = ++z;
//j=3 z=3
printf("z = %d",z);
printf("j = %d\n",j);
j = z--;
//j=3 z=2
printf("z = %d",z);
printf("j = %d\n",j);
j = --z;
//j=1 z=1
printf("z = %d",z);
printf("j = %d\n",j);
printf("**********************\n");
任何語言都會用到判斷的,下面先說說if else