http://codeforces.com/contest/483/problem/A A. Counterexample time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Your friend has recently learned about coprime numbers. A pair of numbers {a, b…
A. Counterexample time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Your friend has recently learned about coprime numbers. A pair of numbers {a, b} is called coprime if the maximum number th…
Codeforces Round #275 (Div. 1)A. Diverse Permutation Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/482/problem/A Description Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct posi…
最近一直在做 codeforces ,总觉得已经刷不动 BZOJ 了? ——真是弱喵 你看连 Div.2 的 B 题都要谢谢题解,不是闲就是傻 显然我没那么闲 ╮(╯_╰)╭ 我觉得这题的想法挺妙的~ 大意是你需要分别给 a 和 b cnt1 和 cnt2 个数字 但是 a 不要被 x 整除的数 ,as well as,b 不要被 y 整除的数 然后求需要给的最大数的最小值—— 最值的最值?那不是典型的二分吗? 但是——坑爹的英文题导致我完全没有意识到这一点…… 二分答案 v ,因为 a 不要被…
A. Counterexample time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Your friend has recently learned about coprime numbers. A pair of numbers {a, b} is called coprime if the maximum number th…
http://codeforces.com/contest/483/problem/C C. Diverse Permutation time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Permutation p is an ordered set of integers p1, p2, ..., pn, consist…
