Weak Pair Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 439 Accepted Submission(s): 155 Problem Description You are given a rooted tree of N nodes, labeled from 1 to N. To the ith node a…
Football Games Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 802 Accepted Submission(s): 309 Problem Description A mysterious country will hold a football world championships---Abnormal Cup…
Football Games Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 439 Accepted Submission(s): 157 Problem Description A mysterious country will hold a football world championships---Abnormal Cup…
Friends and Enemies Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 291 Accepted Submission(s): 160 Problem Description On an isolated island, lived some dwarves. A king (not a dwarf) ruled t…
Sparse Graph Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 689 Accepted Submission(s): 238 Problem Description In graph theory, the complement of a graph G is a graph H on the same vertic…
Function Time Limit: 7000/3500 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 976 Accepted Submission(s): 375 Problem Description The shorter, the simpler. With this problem, you should be convinced of this tru…
Different GCD Subarray Query Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 681 Accepted Submission(s): 240 Problem Description This is a simple problem. The teacher gives Bob a list of prob…
Different Circle Permutation Time Limit: 3000/1500 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 208 Accepted Submission(s): 101 Problem Description You may not know this but it's a fact that Xinghai Square is…
Football Games Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 5055 Accepted Submission(s): 904 Problem Description A mysterious country will hold a football world championships---Abnormal Cu…
