TextImpact: Processing a maliciously crafted text file may lead to adenial of serviceDescription: A denial of service issue was addressed with improvedvalidation.CVE-2018-4304: jianan.huang (@Sevck)Entry added October 30, 2018 影响的OS比较多: Apple iOS 12以…
传送门 Pollard−rhoPollard-rhoPollard−rho模板题. 题意简述:求ϕ(n),n≤1e18\phi(n),n\le 1e18ϕ(n),n≤1e18 先把nnn用Pollard−rhoPollard-rhoPollard−rho分解质因数,然后就可以算了. 代码: #include<bits/stdc++.h> #include<tr1/unordered_map> #define ri register int using namespace std;…