Caravans Time limit: 1.0 secondMemory limit: 64 MB Student Ilya often skips his classes at the university. His friends criticize him for this, but they don't know that Ilya spends this time not watching TV serials or listening to music. He creates a…

Description   Student Ilya often skips his classes at the university. His friends criticize him for this, but they don’t know that Ilya spends this time not watching TV serials or listening to music. He creates a computer game of his dreams. The game…

URAL 2035 输入x,y,c,  找到任意一对a,b 使得a+b==c&& 0<=a<=x && 0<=b<=y 注意后两个条件,顺序搞错wa几次 #include<cstdio> #include<algorithm> using namespace std; int main(){ int x,y,c; while(~scanf("%d%d%d",&x,&y,&c)){ i…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2034 解题思路:set的基本用法 #include<iostream> #include<string.h> #include<stdio.h> #include<set> using namespace std; int main() { int num1,num2,n; while(scanf("%d %d",&num1,&…

题目链接 题意:求给定的字符串的最长回文子串 分析:做法是构造一个新的字符串是原字符串+反转后的原字符串(这样方便求两边回文的后缀的最长前缀),即newS = S + '$' + revS,枚举回文串中心位置,RMQ询问LCP = min (height[rank[l]+1] to height[rank[r]]),注意的是RMQ传入参数最好是后缀的位置,因为它们在树上的顺序未知,且左边还要+1. #include <cstdio> #include <algorithm> #in…

2071. Juice Cocktails Time limit: 1.0 secondMemory limit: 64 MB Once n Denchiks come to the bar and each orders a juice cocktail. It could be from 1 to 3 different juices in each cocktail. There are three juices in the bar: apple, banana and pineappl…

2073. Log Files Time limit: 1.0 secondMemory limit: 64 MB Nikolay has decided to become the best programmer in the world! Now he regularly takes part in various programming contests, attentively listens to problems analysis and upsolves problems. But…

2070. Interesting Numbers Time limit: 2.0 secondMemory limit: 64 MB Nikolay and Asya investigate integers together in their spare time. Nikolay thinks an integer is interesting if it is a prime number. However, Asya thinks an integer is interesting i…

2069. Hard Rock Time limit: 1.0 secondMemory limit: 64 MB Ilya is a frontman of the most famous rock band on Earth. Band decided to make the most awesome music video ever for their new single. In that music video Ilya will go through Manhattan standi…

2068. Game of Nuts Time limit: 1.0 secondMemory limit: 64 MB The war for Westeros is still in process, manpower and supplies are coming to an end and the winter is as near as never before. The game of thrones is unpredictable so Daenerys and Stannis…