[C] C语言中的nan和inf使用 本文总结nan和inf在C语言当中的含义、产生和判定方法。 C语言当中的nan 表示not a number,等同于 #IND:indeterminate (windows) 产生: 对浮点数进行了未定义的操作; 对负数开方,对负数求对数,0.0/0.0,0.0*inf、inf/inf、inf-inf这些操作都会得到nan。(0/0会产生操作异常;0.0/0....
if(num(ch)==1)n 始终等于'\n'的 (-__-)b
百度试题 结果1 题目No. = ___ ( ) A. No B. Number C. Not D. NO 相关知识点: 试题来源: 解析 [答案]B [解析]No.=___ 通常No.表示数学,所以是Number。no与not,都是“不”,故选B。反馈 收藏
百度试题 结果1 题目【题目】Sorry. It's anumber.A.notB. wrongC.other 相关知识点: 试题来源: 解析 【解析】B 反馈 收藏
can not earn your ble can not say goodbye t can only walk can opening machine can packaging machine can rapidly create fl can say nothing more can sealer can sealing machine can stem from a patho can support a variety can take care of itse can the bend crucible can this be love can ...
can i just have a cig can i just have one a can i let the trees d can ice system can it be that can jia ci can jia ti yu duan can know moved is the can let go can let it go can let you express y can monitor directory can move the mountain can not love without can not ...
题目___is NOT a grammatical category of English pronouns. A. Case B. Aspect C. Number D. Gender 相关知识点: 试题来源: 解析 B 正确答案:B解析:英语的人称代词有格(case)(主格和宾格)、数(number)(单数和复数)和性(gender)(男女)的范畴,没有体(aspect)的范畴。 知识模块:人文知识反馈 ...
百度试题 结果1 题目It is not a ___one. A.small B.big C.hard D.short 相关知识点: 试题来源: 解析 从语法上讲,都可以填,因为都是形容词都可做定语的。不知是不是上下文决定的呢?那不是一个小的/大的/硬的/短的东西。反馈 收藏
49: Improper use of a typedefsymbol — 类型定义符号使用不恰当 50: In-line assembly not allowed — 不允许使用行间汇编 51: Incompatible storage class — 存储类别不相容 52: Incompatible type conversion — 不相容的类型转换 53: Incorrect number format — 错误的数据格式 54: Incorrect use...
代码的第18行的括号去掉，那里是main函数的结束括号，而你的代码下面应该也属于main函数，所以去掉18行的括号。