題目:Given an array of integers, every element appears twice except for one. Find
水題,直接貼代碼。 //poj 1492 //sep9 #include using namespace std; int a[64]; int n; vo
【題目】 Merge k sorted linked lists and return it as one sorted list. Analyze and
對於方程a*x1^2+b*x2^2+c*x3^2+d*x4^2=0,給出a,b,c,d,求出有多少種方法使得方程成立,xi!=0,屬於[-100,