怎么看數(shù)據(jù)類型?下劃線上是怎么填的?
#include <stdio.h>
int main()
{
?? int???? age = 15;
??? int?? height = 162;
??? double? weight = 82.5;
?????? char isfat = 'y';
??? printf("年齡:%d 歲\n", age);
??? printf("身高:%d CM\n", height);
??? printf("體重:%f KG\n", weight);
??? printf("是否屬于肥胖兒童:%c\n", isfat);
??? /*%d,%f,%c此類符號在后面會有講解*/
??? return 0;???
}
2018-08-08
15和162都是整數(shù),82.5是浮點數(shù),那為什么是雙精度的呢?其實你用單精度也行,然后用' '括著的不管你看到是是數(shù)字,標點,或者字母,都叫做衣服,所以用的是char