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Asia Regional Contest, Tokyo, 2014 Shopping

文章转载自：xuanqis.com 题目链接：点击打开链接 Description Your friend will enjoy shopping. She will walk through a mall along a straight street, where N individual s...

2018-05-18

0 487

牛客Wannafly挑战赛15-数字串

文章转载自：xuanqis.com 题目链接：点击打开链接来源：牛客网题目描述: 一个只含数字的字符串，q次操作，每次操作将第i位数字改为x，每次操作后，统计长度在[l, r]之间且首数字大于尾数字的子串的个数。输入描述: 第一行一个只含数字的字符串；第二行3个整数q, l, r；接下来q行...

2018-05-18

0 479

&& 和 || 哪个优先级高

&& 优先级高 #include<iostream> using namespace std; int main(){ cout<<(1 || 1 && 0); } 输出1 若||优先级高则先执行1||1 = 1，再1&&...

2018-04-12

0 453

Column Addition(动态规划)

链接：点击打开链接 A multi-digit column addition is a formula on adding two integers written like this: A multi-digit column addition is written on the b...

2018-04-11

0 456

Barareh on Fire

链接：点击打开链接 Description The Barareh village is on fire due to the attack of the virtual enemy. Several places are already on fire and the fire is spre...

2018-04-08

0 654

Problem A Artwork

题目链接：点击打开链接 A template for an artwork is a white grid of n × m squares. The artwork will be created by painting q horizontal and vertical black strok...

2018-04-06

0 535