Irrelevant Elements Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 2231 Accepted: 550 Case Time Limit: 2000MS Description Young cryptoanalyst Georgie is investigating different schemes of generating random integer numbers ranging from…
GCD & LCM Inverse Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 16206 Accepted: 3008 Description Given two positive integers a and b, we can easily calculate the greatest common divisor (GCD) and the least common multiple (LCM) of a…
题目链接:http://poj.org/problem?id=1845 关于质因数分解,模板见:http://www.cnblogs.com/atmacmer/p/5285810.html 二分法思想:选定一个要进行比较的目标,在区间[l,r]之间不断二分,直到取到与目标相等的值. #include<iostream> #include<cstdio> #include<cstring> using namespace std; typedef long long ll…
一.Description The most important part of a GSM network is so called Base Transceiver Station (BTS). These transceivers form the areas called cells (this term gave the name to the cellular phone) and every phone connects to the BTS with the strongest…
Time Limit: 5000MS Memory Limit: 65536KB 64bit IO Format: %lld & %llu Description Young cryptoanalyst Georgie is investigating different schemes of generating random integer numbers ranging from 0 to m - 1. He thinks that standard random number g…
Young cryptoanalyst Georgie is investigating different schemes of generating random integer numbers ranging from 0 to m − 1. He thinks that standard random number generators are not good enough, so he has invented his own scheme that is intended to b…
