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全部文章（共419篇）

牛客网 wannafly 月赛完全平方数

询问l,r区间的完全平方数的个数 #include <iostream> #include<bits/stdc++.h> using namespace std; long long a[1999999]; int main() { for(long long i=...

完全平方数 wannafly

2017-12-23

0 526

SDUT 2017 Autumn Single Contest N 模板场

Let’s consider an infinite sequence of digits constructed of ascending powers of 10 written one after another. Here is the beginning of the sequence: ...

2017-12-23

0 549

SDUT 2017 Autumn Single Contest O 周六场个人赛

尺取专题链接 A The king is left alone on the chessboard. In spite of this loneliness, he doesn’t lose heart, because he has business of national importanc...

2017-12-23

0 489

SDUT 2016级 CF 每周题集 Round 5

A: #include<bits/stdc++.h> using namespace std; int main() { int a[3240]={0}; int n; cin>>n; for(int i=1;i<=n;i++) ...

codefoces acm 题解 sdut

2017-12-20

0 365

Great cells

转载 code: #include <iostream> #include <cstdio> #include <algorithm> using namespace std; typedef long long LL; const int mo...

acm final 贡献和智力题

2017-12-13

0 398

2017 12 10 cf 个人赛--题解 SDUT 2017 Autumn Single Contest L

A: 倒着求10以下的因子 #include <iostream> #include<bits/stdc++.h> using namespace std; const int maxn = 1e5; int a[maxn],b[maxn]; int factor(in...

2017-12-12

0 576

EOJ Monthly 2017.12 (暨 ECNU 12 月内部选拔) 题解

比赛链接题解链接 A 水题，模拟即可 B. 在哈尔滨的寒风中 Time limit per test: 1.0 seconds Memory limit: 256 megabytes kblack 来到了寒冬中的哈尔滨，哈尔滨的寒风令 kblack 瑟瑟发抖。世界上最远的距离，是你...

2017-12-09

0 879

dfs 深入学习（1） Connections Gym - 101630C

Problem C. Connections Time limit: 3 seconds Hard times are coming to Byteland. Quantum computing is becoming mainstream and Qubitland is going to ...

2017-12-09

0 935

SDUT 2017 Autumn Single Contest K

题目链接 A:贪心题意：一只蜈蚣有40条左腿和40条右腿。它有a只左鞋和b只右鞋。穿一只左鞋2s，穿一只右鞋1s，扔鞋1s。问给所有脚都穿上鞋最坏需要多长时间。解析：贪心一下，看什么情况下会花最长的时间。无非两种情况下时间最长： 1、先拿所有右鞋去试左脚，再穿左脚：2*b + 40； ...

2017-12-06

0 447

2017 12 3 个人赛题目记录小dp

比赛链接密码:shewoqishui A： Penny is a terrible waitress and even worse actress, however recently she applied for a role in an upcoming TV series. Even ...

sdut acm 个人赛题解 dp

2017-12-05

0 373