MrBlank的ACM记事本

敌兵布阵Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 63636 Accepted Submission(s): 26843Problem Description C国的死对头A国这段时间正在进行军事演习，所以C国间谍头子Der

World is ExplodingTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 183 Accepted Submission(s): 80Problem Description Given a sequence A with

Matrix Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 24595 Accepted: 9106 DescriptionGiven an N*N matrix A, whose elements are either 0 or 1. A[i, j] means the number in the

Inversions Time Limit: 250MS Memory Limit: 4096KB 64bit IO Format: %I64d & %I64u SubmitStatusDescription 180. Inversionstime limit per test: 0.25 sec. memory limit per test: 4096 KB

StarsTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 6786 Accepted Submission(s): 2703Problem Description Astronomers often examine star ma

Weak PairTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others) Total Submission(s): 463 Accepted Submission(s): 164Problem Description You are given a rooted tree o

Counting OffspringTime Limit: 15000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2688 Accepted Submission(s): 926Problem Description You are given a tree

Color the ballTime Limit: 9000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 17610 Accepted Submission(s): 8814Problem Description N个气球排成一排，从左到右依次编号为1,2,3