链接:https://ac.nowcoder.com/acm/contest/553/D来源:牛客网 题目描述 Chino的数学很差,因此Cocoa非常担心.今天,Cocoa要教Chino解不定方程. 众所周知,不定方程的解有0个或者若干个. 给出方程: Cocoa想知道这个不定方程的正整数解和非负整数解各有几个. 题目对Chino来说太难啦,你能帮一帮Chino吗? 输入描述: 两个正整数m, n 输出描述: 题目要求的答案,即正整数解的个数和非负整数解的个数 .由于答案可能会很大,你只需要输…

链接:https://www.nowcoder.com/acm/contest/89/A 来源:牛客网 1.题目描述 The Great Wall story of Meng Jiangnv’s Bitter Weeping happened during the Qin Dynasty (221BC- 206BC). Meng jiangnv was a beauty in the Qin Dynasty, and she lived happily with her husband. At…

今天做的沈阳站重现赛,自己还是太水,只做出两道签到题,另外两道看懂题意了,但是也没能做出来. 1. Thickest Burger Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 0    Accepted Submission(s): 0 Problem Description ACM ICPC is launching a thic…

1. 2016 CCPC 东北地区重现赛 2.总结:弱渣,只做出01.03.05水题 08   HDU5929 Basic Data Structure    模拟,双端队列 1.题意:模拟一个栈的操作,并在每次询问时,计算栈项到栈底元素nand位运算的值. 2.总结:思路就是看距离栈底最近的0的后面1的个数的奇偶.试了好多种办法,最后还是双端队列简便.总之,贼恶心的题.. #include<iostream> #include<cstring> #include<cmath…

1.2016中国大学生程序设计竞赛(长春)-重现赛 2.总结:会做的太少,应变能力也不行,或者说猜题目的能力不行 02  水 04  HDU 5914  Triangle 1.题意:1~n,n个数,问至少取出多少个数使剩下的数不构成三角形. 2.总结:比赛的时候想不出,直接数,反正n<=20..还是思维不灵活啊 3.思路:只要剩下的数都是fibnacci数列就可以. #include<iostream> #include<cstring> #include<cmath&…

传递 Time Limit: 12000/6000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 42    Accepted Submission(s): 16 Problem Description 我们称一个有向图G是传递的,当且仅当对任意三个不同的顶点a,,若G中有 一条边从a到b且有一条边从b到c ,则G中同样有一条边从a到c.我们称图G是一个竞赛图,当且仅当它是一个有…

异或密码 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 19    Accepted Submission(s): 9 Problem Description 晨晨在纸上写了一个长度为N的非负整数序列{ai }.对于这个序列的一个连续子序列{al,al+1,…,ar }晨晨可以求出其中所有数异或的结果 alxoral+1xor...xo…

最大的位或 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 18    Accepted Submission(s): 17 Problem Description B君和G君聊天的时候想到了如下的问题.给定自然数l和r ,选取2个整数x,y满足l <= x <= y <= r ,使得x|y最大.其中|表示按位或,即C. C++.…

周六周末组队训练赛. Dogs' Candies Time Limit: 30000/30000 MS (Java/Others)    Memory Limit: 512000/512000 K (Java/Others)Total Submission(s): 3920    Accepted Submission(s): 941 Problem Description Far far away, there live a lot of dogs in the forest. Unlike…

Rabbits Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 1193    Accepted Submission(s): 628 Problem Description Here N (N ≥ 3) rabbits are playing by the river. They are playing on a number li…