My block

Problem 1420 - 可见点 Time Limit: 3000MS   Memory Limit: 65536KB  Difficulty: 3 Total Submit: 539  Accepted: 113  Special Judge: NoDescription平面上有m*n个整点，他们的坐标(x, y)满足1Input第一行一个数t（1以下

Problem 1170 - Sorting Time Limit: 2000MS   Memory Limit: 131072KB  Difficulty: 5 Total Submit: 2757  Accepted: 721  Special Judge: NoDescription对一组输入的数据进行排序。对输入的数据，我们有如下的约定：所有的输入数据都为正整数

Description从键盘输入一个自然数K(K>1),若存在自然数M和N(M>N),使得K^M和K^N均大于或等于1000、且它们的末尾三位数相等，则称M和N是一对?K尾相等数?。请编写程序，输出M+N值最小的K尾相等数。 Input输入数据有多组，以0结束。Output对于每个输入，输出一行。Sample Input20Sample Output

Problem 1414 - URL Time Limit: 1000MS Memory Limit: 65536KB Difficulty: 3 Total Submit: 990 Accepted: 329 Special Judge: No Description WHU ACM Team is working on a brand new web browser named

Problem 1301 - Subsequence Time Limit: 1000MS Memory Limit: 65536KB Difficulty: 3 Total Submit: 1201 Accepted: 547 Special Judge: No Description A sequence of N positive integers (10 < N < 10

Problem 1167 - Oil Detecting Time Limit: 1000MS Memory Limit: 65536KB Difficulty: 1 Total Submit: 475 Accepted: 212 Special Judge: No Description 石油公司在某地开采石油，他们把地面(长方形)分成一个个的小正方形，然后逐个勘探，有的正方形