二分!!! AC代码例如以下: #include<iostream> #include<cstring> #include<cstdio> #define ll long long using namespace std; ll n,m,k; ll work(ll a) { ll i,j; ll ans=0; for(i=1;i<=n;i++) { j=a/i; if(j>m) j=m; ans+=j; } return ans; } int main()…

题目传送门 /* 水题:读懂题目就能做 */ #include <cstdio> #include <iostream> #include <algorithm> #include <cstring> #include <cmath> #include <vector> #include <string> #include <queue> #include <map> #include <se…

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 -----------------------------------------------------------------------------------------------…

Problem A: A. Rewards time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Bizon the Champion is called the Champion for a reason. Bizon the Champion has recently got a present - a new glass cup…

 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…

http://codeforces.com/contest/394 话说这次CF做的超级不爽,A题一开始交过了,我就没再管,B题还没看完呢,就死困死困的,后来觉得B题枚举一下估计能行,当时是觉得可以从后往前乘,但是细节什么的都没想好,所以干在纸上画也没写出什么来.没想到我A题竟然忘了一种情况,就是+前就一根的时候,郁闷死我了. A  Counting Sticks #include <stdio.h> #include <string.h> #include <iostrea…

题目链接:http://codeforces.com/contest/448/problem/B ---------------------------------------------------------------------------------------------------------------------------------------------------------- 欢迎光临天资小屋:http://user.qzone.qq.com/593830943/ma…

由于一次比赛被虐得太惨,,生发开始写blog的想法,于是便有了这篇随笔(找了个近期的cf比赛练练手(bushi))第一次写blog,多多包涵. 第二场cf比赛,第一场打的Div2,被虐太惨,所以第二场挑了个Div4... 比赛链接: https://codeforces.com/contest/1669 A. Division 翻译(参考): t组样例,每组样例给出一个正整数,判断该整数所在的范围 题解: 签到题,分类讨论下即可 B.Trip 翻译(参考): t组样例,每组给出一个长度为n的数组…

解题报告 四种情况相应以下四组数据. 给两字符串,推断第一个字符串是怎么变到第二个字符串. automaton 去掉随意字符后成功转换 array 改变随意两字符后成功转换 再者是两个都有和两个都没有 #include <iostream> #include <cstdio> #include <cstring> #include <stdlib.h> #include <algorithm> #include <cmath> usi…