Tree Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 373 Accepted Submission(s): 254 Problem Description Consider a un-rooted tree T which is not the biological significance of tree or plan…
Infinite Fraction Path Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 1262 Accepted Submission(s): 224 Problem Description The ant Welly now dedicates himself to urban infrastructure. He c…
Problem Description As we know, sequence in the form of an=a1+(n−1)d is called arithmetic progression and sequence in the form of bn=b1qn−1(q>1,b1≠0) is called geometric progression. Huazheng wants to use these two simple sequences to generate a simp…