課程

/后端開發(fā)

/C

/C語(yǔ)言入門

#include?<stdio.h>
int?main()
{
????double?num?=?2.5;??????//定義浮點(diǎn)型變量num并賦值為2.5
????int?num2?=(int)num;
????printf("num的整數(shù)部分是%f\n",?num2);??
????return?0;