E. Sign on Fence time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output Bizon the Champion has recently finished painting his wood fence. The fence consists of a sequence of n panels of 1 meter w…
E. Sign on Fence Bizon the Champion has recently finished painting his wood fence. The fence consists of a sequence of n panels of 1 meter width and of arbitrary height. The i-th panel's height is hi meters. The adjacent planks follow without a gap…
E. Sign on Fence time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output Bizon the Champion has recently finished painting his wood fence. The fence consists of a sequence of n panels of 1 meter w…
http://codeforces.com/problemset/problem/484/E 题意: 给定一个长度为n的数列,有m次询问,询问形如l r k 要你在区间[l,r]内选一个长度为k的区间,求区间最小数的最大值 整体二分啊....O((n+m)log(n)log(值域)) 对于一个询问,可以二分答案后(设二分出的答案为ans),将>=ans的数标记为1,<ans的数标记为0,然后求该询问区间内最长的连续且全为1的一段的长度x,如果x>=该询问要求的k则合法,否则不合法: 多次…
1138 - Trailing Zeroes (III) PDF (English) Statistics Forum Time Limit: 2 second(s) Memory Limit: 32 MB You task is to find minimal natural number N, so that N! contains exactly Q zeroes on the trail in decimal notation. As you know N! = 1*2*...*N. F…
Bizon the Champion has recently finished painting his wood fence. The fence consists of a sequence of n panels of 1 meter width and of arbitrary height. The i-th panel's height is hi meters. The adjacent planks follow without a gap between them. Afte…
题意 给定一个长度为n的数列,有m次询问,询问形如l r k 要你在区间[l,r]内选一个长度为k的区间,求区间最小数的最大值 Sol 二分答案 怎么判定,每种数字开一棵线段树 某个位置上的数大于等于它为1 那么就是求区间最大的1的序列长度大于k 二分的最优答案一定在这个区间内,否则不优 排序后就是用主席树优化空间 之前\(build\)一下,因为区间有长度不好赋值 # include <bits/stdc++.h> # define RG register # define IL inlin…
源代码地址:https://github.com/hopebo/hopelee 语言:C++ 301. Remove Invalid Parentheses Remove the minimum number of invalid parentheses in order to make the input string valid. Return all possible results. Note: The input string may contain letters other tha…