http://lightoj.com/volume_showproblem.php?problem=1220 Mysterious Bacteria Time Limit:500MS Memory Limit:32768KB 64bit IO Format:%lld & %llu Submit Status Practice LightOJ 1220 Description Dr. Mob has just discovered a Deathly Bacteria. He na…
http://lightoj.com/volume_showproblem.php?problem=1341 Aladdin and the Flying Carpet Time Limit:3000MS Memory Limit:32768KB 64bit IO Format:%lld & %llu Submit Status Practice LightOJ 1341 Description It's said that Aladdin had to solve seven…
http://lightoj.com/volume_showproblem.php?problem=1236 Pairs Forming LCM Time Limit:2000MS Memory Limit:32768KB 64bit IO Format:%lld & %llu Submit Status Practice LightOJ 1236 Description Find the result of the following code: long long pairs…
题目链接:http://lightoj.com/volume_showproblem.php?problem=1220 题意:已知 x=bp 中的 x 求最大的 p,其中 x b p 都为整数 x = (p1a1*p2a2*p3a3*...*pkak), pi为素数;则结果就是gcd(a1, a2, a3,...,ak); 当x为负数时,要把ans缩小为奇数; #include <stdio.h> #include <string.h> #include <iostream&…
题目大意: 给出T个实例,T<=200,给出[a,b]区间,问这个区间里面有多少个素数?(1 ≤ a ≤ b < 231, b - a ≤ 100000) 解题思路: 由于a,b的取值范围比较大,无法把这个区间内的所以素数全部筛选出来,但是b-a这个区间比较小,所以可以用区间素数筛选的办法解决这个题目. 代码: #include<cstdio> #include<cstring> #include<iostream> #include<algorith…
E - Help Hanzo Time Limit:2000MS Memory Limit:32768KB 64bit IO Format:%lld & %llu Submit Status Practice LightOJ 1197 Description Amakusa, the evil spiritual leader has captured the beautiful princess Nakururu. The reason behind this is he ha…