摘要：D. Mike and Feet time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Mike is the president of 阅读全文

摘要：1149 - Buildings Time Limit：2s Memory Limit：128MByte Submissions：588Solved：151 1149 - Buildings Time Limit：2s Memory Limit：128MByte Submissions：588Sol 阅读全文

摘要：A. Karen and Morning time limit per test 2 seconds memory limit per test 512 megabytes input standard input output standard output A. Karen and Mornin 阅读全文

摘要：To the moon Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 5117 Accepted Submission(s): 1152 Pro 阅读全文

摘要：Super Mario Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6208 Accepted Submission(s): 2687 Pro 阅读全文

摘要：Kth number Time Limit: 15000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 10240 Accepted Submission(s): 3153 Pr 阅读全文

摘要：D. Alyona and a tree time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Alyona has a tree w 阅读全文

摘要：Super Mario Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6174 Accepted Submission(s): 2675 Pro 阅读全文

摘要：int lowbit(int t) { return t&(-t); } void add(int x,int y) { for(int i=x;i<=n;i+=lowbit(i)) tree[i]+=y; } int getsum(int x) { int ans=0; for(int i=x;i 阅读全文

摘要：Boring counting Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 98304/98304 K (Java/Others)Total Submission(s): 2808 Accepted Submission(s): 826 阅读全文

摘要：There is a bag-like data structure, supporting two operations: Throw an element x into the bag. Take out an element from the bag. Given a sequence of 阅读全文

摘要：Problem D: 二叉树的中序遍历 Description 对于学过数据结构的人来说，二叉树和二叉树上的中序遍历都是再简单不过的东西了。这道题就搞搞二叉树好了，当然，不是一般的二叉树:) 我们定义一种a二叉树，它的节点内容可以是任一个数字或者#，#只能作为叶子节点的内容。 如下就是一棵合法定义的 阅读全文

摘要：Just a Hook Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 24474 Accepted Submission(s): 12194 P 阅读全文

摘要：敌兵布阵Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 64378Accepted Submission(s): 27133Problem Desc... 阅读全文

摘要：ExpressionTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 202Accepted Submission(s): 61 Problem D... 阅读全文