[問題] 請問三個問題點一下
請問各位大大三個問題點一下
問題一:
今天寫題目時突然想到 在java或C++中size()跟length()是否功能都一樣?
我個人是認為一樣
而在C、C++、java中視不是只有字元跟字串陣列才有'\0'放在陣列結尾
問題二:
請問下列函式,f1(0.5, 6.5)的輸出為何(該數字的精確度到小數點後第一位)?
double f1(double x, double y) {
int a=2, b=1, c=1;
x+=(a+b+c==2*b);
x-=a*b/x;
return (x+c);
}
我自己是認為-2.5 答案也對 我只是想請問
x+=(a+b+c==2*b);這行這樣寫是會跑出甚麼? x=x+?
問題三:已刪
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※ 編輯: povertytrap (163.25.119.5), 04/13/2016 01:31:37
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