二分法判断答案 D. Multiplication Table time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Bizon the Champion isn't just charming, he also is very smart. While some of us were learning the multiplicat…

题目链接:D. Multiplication Table 题意: 给出N×M的乘法矩阵要你求在这个惩罚矩阵中第k个小的元素(1 ≤ n, m ≤ 5·10^5; 1 ≤ k ≤ n·m). 题解: n和m最大都是5e5那矩阵最大就有2e11不能够暴力,其实这里就应该想到要用二分做的,但是我做题的时候脑抽@.@想要推规律,然后就决决了.那么讲一下二分怎么做,就先简单的二分答案在(1-n*m)中二分,然后cheak函数中找所有矩阵中比所给值小的元素,个数大于等于k为成立条件.复杂度(O(n*log(…

转载请注明出处:viewmode=contents" target="_blank">http://blog.csdn.net/u012860063?viewmode=contents 题目链接:http://codeforces.com/contest/448/problem/D -----------------------------------------------------------------------------------------------…

A. Multiplication Table Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/577/problem/A Description Let's consider a table consisting of n rows and n columns. The cell located at the intersection of i-th row and j-th column co…

链接: https://codeforces.com/contest/1220/problem/B 题意: Sasha grew up and went to first grade. To celebrate this event her mother bought her a multiplication table M with n rows and n columns such that Mij=ai⋅aj where a1,-,an is some sequence of positi…

 D. Multiplication Table time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Bizon the Champion isn't just charming, he also is very smart. While some of us were learning the multiplication t…

D. Multiplication Table time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Bizon the Champion isn't just charming, he also is very smart. While some of us were learning the multiplication tabl…

Bizon the Champion isn't just charming, he also is very smart. While some of us were learning the multiplication table, Bizon the Champion had fun in his own manner. Bizon the Champion painted an n × m multiplication table, where the element on the i…

A:Rewards: 题目链接:http://codeforces.com/problemset/problem/448/A 题意:Bizon有a1个一等奖奖杯,a2个二等奖奖杯,a3个三等奖奖杯,b1个一等奖奖牌,b2个二等奖奖牌,b3个三等奖奖牌,和一个有n个架子的橱柜.如今Bizon想把这些奖牌和奖杯放在橱柜里,可是要遵循以下的规则:一个架子上不能同一时候放奖杯和奖牌:一个架子上的奖杯数量不能超过5个.奖牌数量不能超过10个. 问能不能把这些奖杯和奖牌所有放进去. 分析:依照贪心原则.一个…

http://acm.hdu.edu.cn/showproblem.php?pid=4951 2014多校 第八题 1008 2014 Multi-University Training Contest 8 Multiplication table Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 438    Accepted Submi…