摘要:
/* codeforces,2027E,E. Do You Love Your Hero and His Two-Hit Multi-Target Attacks? 要求在平面坐标系点上n个坐标为整数且范围在[-1e9,1e9]内的点 使得满足在同一水平线或在同一垂直线上的点对的对数为k 输入k 第 阅读全文
摘要:
/* codeforces,2071D,D. For Wizards, the Exam Is Easy, but I Couldn't Handle It 一个数组中的逆序对是指一对数i,j(i<j)满足arr[i]>arr[j] 给定一个数组, 可进行一次操作,将数组中的一段子数组中头部的数移动 阅读全文