[链接] 我是链接,点我呀:) [题意] 在这里输入题意 [题解] 尺取法+二分. 类似滑动窗口. 即左端点为l,右端点为r. 维护a[r]-a[l]+1总是小于等于m的就好. (大于m就右移左端点) 然后看看里面的数字个数是不是小于k; 不是的话让l..r中最右边那个数字删掉就好. ->链表优化一下即可. [代码] /* 1.Shoud it use long long ? 2.Have you ever test several sample(at least therr) yourself…
A. Rounding time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Vasya has a non-negative integer n. He wants to round it to nearest integer, which ends up with 0. If n already ends up with 0, V…