Four Operations Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 38    Accepted Submission(s): 18 Problem Description Little Ruins is a studious boy, recently he learned the four operations! Now

Magic boy Bi Luo with his excited tree Problem Description Bi Luo is a magic boy, he also has a migic tree, the tree has N nodes , in each node , there is a treasure, it's value is V[i], and for each edge, there is a cost C[i], which means every time

Alice and Bob Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 147    Accepted Submission(s): 22 Problem Description As you know, Alice and Bob always play game together, and today they get a

This world need more Zhu Time Limit: 12000/6000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 262    Accepted Submission(s): 49 Problem Description As we all know, Zhu is the most powerful man. He has the infinite

传送门:http://acm.hdu.edu.cn/showproblem.php?pid=5920 我们的思路是: 对于一个串s,先根据s串前一半复制到后一半构成一个回文串, 如果这个回文串比s小,则做减法并递归: 如果相等直接结束: 如果大,那么找前一半离中心最近的一个非零数减1,并把这位之后到中心的数全都变为9,例如11000->11011,大了,所以变成10901: ps:因为大数相减要传指针参数,调了蛮久,发现指针的乱指了,所以开了一个二维数组,每一次算出的原串和回文串都用新的指针,也

Ugly Problem Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 0    Accepted Submission(s): 0Special Judge Problem Description Everyone hates ugly problems. You are given a positive integer. You m

Ugly Problem Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 0    Accepted Submission(s): 0Special Judge Problem Description Everyone hates ugly problems.You are given a positive integer. You mu

Harmonic Value Description Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 0    Accepted Submission(s): 0Special Judge Problem Description The harmonic value of the permutation p1,p2,⋯pn is ∑i=1

Fraction Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 0    Accepted Submission(s): 0 Problem Description Mr. Frog recently studied how to add two fractions up, and he came up with an evil ide

Triangle Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 0    Accepted Submission(s): 0 Problem Description Mr. Frog has n sticks, whose lengths are 1,2, 3⋯n respectively. Wallice is a bad man,

Problem Description Chisa Yukizome works as a teacher in the school. She prepares many gifts, which consist of n kinds with a[i] quantities of each kind, for her students and wants to hold a class meeting. Because of the busy work, she gives her gift

Problem Description Lweb has a string S. Oneday, he decided to transform this string to a new sequence. You need help him determine this transformation to get a sequence which has the longest LIS(Strictly Increasing). You need transform every letter

Problem Descripton Two planets named Haha and Xixi in the universe and they were created with the universe beginning. There is 73 days in Xixi a year and 137 days in Haha a year. Now you know the days N after Big Bang, you need to answer whether it i

Super-palindrome 题面地址:http://acm.hdu.edu.cn/downloads/CCPC2018-Hangzhou-ProblemSet.pdf 这道题是差分数组的题目,线段树也可以写,但是代码太长没必要. 代码: #include<iostream> #include<cstdio> #include<cstring> #include<cstdlib> #include<algorithm> #include<

Equation Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 92    Accepted Submission(s): 24 Problem Description Little Ruins is a studious boy, recently he learned addition operation! He was rewa

Difference Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 62    Accepted Submission(s): 19 Problem Description Little Ruins is playing a number game, first he chooses two positive integers y an

Kingdom of Obsession Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 49    Accepted Submission(s): 14 Problem Description There is a kindom of obsession, so people in this kingdom do things very

Four Operations Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 22    Accepted Submission(s): 12 Problem Description Little Ruins is a studious boy, recently he learned the four operations!Now h

Car Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 25    Accepted Submission(s): 12 Problem Description Ruins is driving a car to participating in a programming contest. As on a very tight sche

Bomb Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 10    Accepted Submission(s): 3 Problem Description There are N bombs needing exploding.Each bomb has three attributes: exploding radius ri,

ArcSoft's Office Rearrangement Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3    Accepted Submission(s): 2 Problem Description ArcSoft, Inc. is a leading global professional computer photogra