传送门 大水题。。。 就是算三个数的lcm 然后我为了防爆，就用了质因数分解。。 代码： #include<cstdio>#include<cstring>#include<iostream>#include<cmath>#include<algorithm>#include<cstdlib>#define ll long longusing namespace std;

题目连接：https://codeforces.com/contest/1517/problem/B The 2050 volunteers are organizing the “Run! Chase the Rising Sun” activity. Starting on Apr 25 at 7:30 am, runners will complete the 6km trail arou