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摘要： 题目描述 JSZKC is going to spend his vacation! His vacation has N days. Each day, he can choose a T-shirt to wear. Obviously, he doesn’t want to wear a si 阅读全文

摘要： 一、基本程序框架 import java.util.Scanner;//明确导入——导入指定的类(从包 java.util中导入Scanner类) import java.util.*;//通配符导入——导入一个包(java.util)中的所有类 public class JavaStudy {// 阅读全文

摘要： 题目描述 You are given an integer N. Find the number of the positive divisors of N!, modulo 109+7.Constraints1≤N≤103 输入 The input is given from Standard I 阅读全文

摘要： Description You are given a sequence of n integers a1 , a2 , ... , an in non-decreasing order. In addition to that, you are given several queries cons 阅读全文

摘要： 题目描述 一个n*m的方格，初始时每个格子有一个整数权值。接下来每次有2种操作：改变一个格子的权值；求一个子矩阵中某种特定权值出现的个数。 输入 第一行有两个数n,m。接下来n行，每行m个数，第i+1行第j个数表示格子(i,j)的初始权值。接下来输入一个整数q。接下来q行，每行描述一个操作。操作1： 阅读全文

摘要： Mishka and Interesting sum time limit per test 3.5 seconds memory limit per test 256 megabytes input standard input output standard output Little Mish 阅读全文

摘要： 题目描述 There is a rectangle in the xy-plane, with its lower left corner at (0,0) and its upper right corner at (W,H). Each of its sides is parallel to t 阅读全文

摘要： Description In this problem, you have to analyze a particular sorting algorithm. The algorithm processes a sequence of n distinct integers by swapping 阅读全文

摘要： Description Japan plans to welcome the ACM ICPC World Finals and a lot of roads must be built for the venue. Japan is tall island with N cities on the 阅读全文

摘要： Description In this problem, you have to analyze a particular sorting algorithm. The algorithm processes a sequence of n distinct integers by swapping 阅读全文