难度系数排序,容易题1-10题: Cosine Similarity new Fizz Buzz O(1)检测2的幂次 x的平方根 不同的路径 不同的路径 II 两个字符串是变位词 两个链表的和 中位数 主元素 Cosine Similarity 题目: Cosine similarity is a measure of similarity between two vectors of an inner product space that measures the cosine…
L1-014. 简单题 时间限制 400 ms 内存限制 65536 kB 代码长度限制 8000 B 判题程序 Standard 作者 陈越 这次真的没骗你 —— 这道超级简单的题目没有任何输入. 你只需要在一行中输出事实:“This is a simple problem.”就可以了. #include<bits/stdc++.h> using namespace std; int main(){ printf("This is a simple problem.\n"…
Codeforces 828B Black Square(简单题) Description Polycarp has a checkered sheet of paper of size n × m. Polycarp painted some of cells with black, the others remained white. Inspired by Malevich's "Black Square", Polycarp wants to paint minimum pos…
Problem Description The school set up three elective courses, assuming that these courses are A, B, C. N classes of students enrolled in these courses.Now the school wants to count the number of students who enrolled in at least one course in each cl…