摘要:
Chef and Apple TreesChef loves to prepare delicious dishes. This time, Chef has decided to prepare a special dish for you, and needs to gather several... 阅读全文
摘要:
Hamming DistanceTime Limit: 6000/3000 MS (Java/Others)Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 1569Accepted Submission(s): 616Pro... 阅读全文
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1080 线段树练习 时间限制: 1 s空间限制: 128000 KB题目等级 : 钻石 Diamond题目描述 Description一行N个方格,开始每个格子里都有一个整数。现在动态地提出一些问题和修改:提问的形式是求某一个特定的子区间[a,b]中所有元素的和;修改的规则是指定某一个格子x,加上... 阅读全文
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MatrixTime Limit: 3000MSMemory Limit: 65536KTotal Submissions: 19174Accepted: 7207DescriptionGiven an N*N matrix A, whose elements are either 0 or 1. ... 阅读全文
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Color the ballTime Limit: 9000/3000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 10150Accepted Submission(s): 5161Pro... 阅读全文