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100题留念~~~RT~用pollard-rho分解n=lcm/gcd即可，a,b某个数在拿n的因子时必须把所有的某个因子全拿上，不然a,b又有公共的因子导致gcd就不是给定的那个了，所以所有的因子数也就十几个，然后枚举无压力~~ Followed by: Post your reply here: |
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