题目链接:http://lightoj.com/volume_showproblem.php?problem=1215 题意:已知三个数a b c 的最小公倍数是 L ,现在告诉你 a b L 求最小的 c ; 其实就是告诉你(最小公倍数LCM)LCM(x, y) = L 已知 x 和 L 求 最小的 y ; L = LCM(x, y)=x*y/gcd(x, y);如果把x,y,L写成素因子之积的方式会很容易发现 L 就是 x 和 y 中素因子指数较大的那些数之积; 例如LCM(24, y)
B - 小Y上学记——小Y的玩偶 Time Limit: 2000/1000MS (Java/Others) Memory Limit: 128000/64000KB (Java/Others) Submit Status Problem Description 小Y最喜欢拆拆拆了~尽管他不一定能装回去. 小Y有一个很可爱的积木玩偶,是由一块一块积木拼接而成,现在小Y想把这个积木玩偶拆拆拆. 每一块积木玩偶都有一个耐久值,想把一块积木拆出来,小Y需要付出的能量就是和它直接拼接的所有积木的耐
B. Proper Nutrition time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Vasya has n burles. One bottle of Ber-Cola costs a burles and one Bars bar costs b burles. He can buy any non-negative in
Dating with girls(1) Time Limit: 6000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5709 Accepted Submission(s): 1855 Problem Description Everyone in the HDU knows that the number of boys is larger than the
为了将赋值操作简便化,Java提供了很多扩展赋值运算符,例如+=.-=./=.*=等等,那么问题来了,x += 1与x = x +1两者相同吗? public class EqualsTest { @Test public void text() { int i = 1; i += 1; System.out.println(i); int j = 1; j = j + 1; System.out.println(j); } } 结果: 看起来结果是一样的,但是再看下面一个例子. public