hdu5726专题

【HDU5726 2016 Multi-University Training Contest 1D】【gcd的下降性质 STL-map】GCD 多少段区间gcd等于给定区间gcd

GCD Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 2189    Accepted Submission(s): 731 Problem Description Give you a sequence of