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原创禁止运行脚本about_Execution_Policies【问题解决】

禁止运行脚本about_Execution_Policies【问题解决】

2022-10-04 21:26:00 746

转载 AndroidStudio报setGravity() shouldn‘t be called on text toasts, the values won‘t be used

AndroidStudio报setGravity() shouldn’t be called on text toasts, the values won’t be used描述：运行程序时报setGravity() shouldn’t be called on text toasts, the values won’t be used解决：targetSdkVersion 30及以上版本不适用，设置成更低版本就可以了...

2021-05-09 11:23:31 4257

原创 2019ACM-ICPC沈阳网络赛-K-Guanguan's Happy water

Guanguan's Happy water4000ms262144KRather than drinking happy water, Guanguan loves storing happy water. So he bought a refrigerator and storeda_iaibottles of cola into it every day. When the...

2019-09-14 17:26:00 75

原创 2019ACM-ICPC沈阳网络赛-C-Dawn-K's water（完全背包模板题）

Dawn-K's water1000ms262144KDawn-K recently discovered a very magical phenomenon in the supermarket of Northeastern University: The large package is not necessarily more expensive than the small ...

2019-09-14 17:17:00 93

原创 2019ACM-ICPC徐州网络赛-K- Center（简单贪心+map）

K- Center2000ms 262144KYou are given a point set withnnpoints on the 2D-plane, your task is to find the smallest number of points you need to add to the point set, so that all the points in ...

2019-09-07 20:30:00 52

原创 2019ACM-ICPC徐州网络赛-E-XKC's basketball team（set+贪心）

E-XKC's basketball teamXKC , the captain of the basketball team , is directing a train ofnnteam members. He makes all members stand in a row , and numbers them1 \cdots n1⋯nfrom left to right....

2019-09-07 19:12:00 60

原创 Greater New York Region 2014-The Queen’s Super-circular Patio（计算几何）

The Queen’s Super-circular Patio时间限制:1 Sec内存限制:128 MB题目描述The queen wishes to build a patio paved with of a circular center stone surrounded by circular rings of circular stones. All the stone...

2019-09-06 16:40:00 71

原创 2019福建省赛—Complier（简单字符串处理）

Complier时间限制:1 Sec内存限制:128 MB题目描述HIT_TOM gets high score in the course《Compiling Principle》. So He wants to examine your knowledge of compilation principles.He will give you some code fragmen...

2019-09-06 14:49:00 51

原创组合数

1 const ll mod=1e9+7; 2 ll qpow(ll a,ll b) 3 { 4 ll c=1; 5 while(b) 6 { 7 if(b&1)c=ll(c*a)%mod; 8 a=ll(a*a)%mod; 9 b>>=1;10 }11 retur...

2019-09-05 20:22:00 61

原创 NAIPC 2019-It’s a Mod, Mod, Mod, Mod World(类欧几里德模板)

It’s a Mod, Mod, Mod, Mod World时间限制:2 Sec内存限制:128 MB题目描述You are given multiple problems with three integers p, q, and n. Find. That is, the first n multiples of p, modulo q, summed. Note tha...

2019-09-05 19:16:00 63

原创 BAPC 2018 Preliminaries-Isomorphic Inversion（字符串哈希）

Isomorphic Inversion时间限制:1 Sec内存限制:128 MB题目描述Let s be a given string of up to 106digits. Find the maximal k for which it is possible to partition s into k consecutive contiguous substrings, ...

2019-09-03 11:00:00 71

原创 JAG Asia 2016-Similarity of Subtrees(BFS+哈希)

Similarity of Subtrees时间限制:1 Sec内存限制:128 MB题目描述Define the depth of a node in a rooted tree by applying the following rules recursively:·The depth of a root node is 0.·The depths of child node...

2019-09-02 21:07:00 89

原创 2019ACM-ICPC南京网络赛Holy Grail （SPFA / Floyd 模板题）

Holy Grail限制1000 ms256 MBAs the current heir of a wizarding family with a long history,unfortunately, you fifind yourselfforced to participate in the cruel Holy Grail War which has a reincarnati...

2019-09-01 19:58:00 53

原创 2019ACM-ICPC南京网络赛Greedy Sequence

Greedy Sequence限制5000 ms256 MBYou're given a permutation a of length n (1 ≤ n ≤ 105).For each i ∈ [1, n], construct a sequence si by the following rules:1. si[1] = i;2. The length of si is n, ...

2019-09-01 19:53:00 53

原创快速输入输出

1 //输入 2 template<class T> 3 inline void read(T&x) 4 { 5 T ans=0,f=1; 6 char ch=getchar(); 7 while(ch>'9'||ch<'0') 8 { 9 if(ch=='-')10 f...

2019-08-26 09:55:00 60

原创 2019HDU多校训练第七场J-Just Repeat

J: Just Repeat时间限制:2 Sec内存限制:128 MB题目描述When Cuber QQ was chatting happily in a QQ group one day, he accidentally noticed that there was a counterfeit of him, who stole his avatar and mimicked...

2019-08-23 10:23:00 66

原创 JAG Asia 2017 C-----Prime-Factor Prime(素数区间筛)

C: Prime-Factor Prime时间限制:1 Sec内存限制:128 MB题目描述A positive integer is called a "prime-factor prime" when the number of its prime factors is prime. For example, 12 is a prime-factor prime becau...

2019-08-20 22:21:00 41

原创 2019HDU多校训练第五场1007-permutation 2

permutation 2Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 262144/262144 K (Java/Others)Problem DescriptionYou are given three positive integersN,x,y.Please calculate how many permutati...

2019-08-05 20:05:00 42

原创 2019牛客暑期多校训练营（第六场）D-Move

[题目大意]n个物品及其体积，用k个相同的箱子装，求能装下这n个物品的箱子的最小容积。对于一个箱子，每次都先装能装下的最大的物品，不能满足则开始装下一个箱子。[思路]ans = max ( vol [i] , ceil(sum ( vol [i]] ) / k)) ,while(ans++)直到能装下所有物品。[代码] 1 #include<bits/stdc++.h&...

2019-08-05 09:23:00 62

原创扶桑号战列舰

扶桑号战列舰时间限制:1 Sec内存限制:128 MBSpecial Judge题目描述众所周知，一战过后，在世界列强建造超无畏级战列舰的竞争之中，旧日本海军根据“个舰优越主义”，建造了扶桑级战列舰，完工时为当时世界上武装最为强大的舰只。同时，扶桑号战列舰也是舰岛最为科幻的战列舰。当然，要建造这样的舰船，科技水平是必须的。同样众所周知的是，德意志科学技术天下第一，所以IJN...

2019-08-05 09:11:00 110

原创 2019牛客暑期多校训练营（第六场）B-Shorten IPv6 Address

[题目大意]给你n个128位二进制IP地址，输出压缩后的最短的IP地址，如果长度相同，输出字典序最小的那一个。压缩规则：每16位二进制数为一个域，例如0000000110001111为一个域(压缩后相邻两个域之间用 “:” 分隔开)，然后将四位二进制数转换成一位16进制数，如0000000110001111变成01af，其中每个域前导的0要去掉，如果这个域值为0，则用零表示。然后连续两个...

2019-08-04 16:28:00 62

原创 2018焦作网络赛G-Give Candies

G: Give Candies时间限制:1 Sec内存限制:128 MB题目描述There are N children in kindergarten. Miss Li bought them N candies。To make the process more interesting, Miss Li comes up with the rule: All the chil...

2019-08-03 10:16:00 32

原创 2018焦作网络赛B-Mathematical Curse

B: Mathematical Curse时间限制:1 Sec内存限制:128 MB题目描述A prince of the Science Continent was imprisoned in a castle because of his contempt for mathematics when he was young, and was entangled in some...

2019-08-03 09:42:00 41

原创十进制快速幂

十进制快速幂例：求a^b%mod,(a<=10,b<=1e100000,mod=1e9+7)说明这时候 long long是存不下b的，但是可以用字符数组存；举个简单例子，求 2^2345；可以依次求2^2 -> (2^2)^10=2^20 -> (2^20)^3=2^23 -> (2^23)^10=2^230 -> (2^230)^...

2019-08-02 19:05:00 44

原创 2019HDU多校训练第四场G-Just an Old Puzzle

Just an Old Puzzle时间限制:1 Sec内存限制:128 MB题目描述You are given a 4 × 4 grid, which consists of 15 number cells and an empty cell.All numbers are unique and ranged from 1 to 15.In this board, the ce...

2019-08-01 21:47:00 40

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