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lowbit(n) 定义：非负整数，在二进制表示下最低位的1以及其后边所有的0。 lowbit(n)=n&(-n+1)=n&(-n) 阅读全文
posted @ 2019-09-21 03:43
Unknown_Island
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int head[maxn],nxt[maxn],val[maxn],edge[maxn],cnt; int n,m; int dis[maxn][maxn]; inline void add(int a,int b,int v){ edge[cnt]=b, val[cnt]=v, nxt[cnt]=head[a], head[a]=cnt++; } inline void print(){ fo 阅读全文
posted @ 2019-09-20 17:21
Unknown_Island
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求a乘b对p取模的值，其中 1<=a,b,p<=pow(10,18) 阅读全文
posted @ 2019-09-20 15:14
Unknown_Island
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People are different. Some secretly read magazines full of interesting girls' pictures, others create an A-bomb in their cellar, others like using Win 阅读全文
posted @ 2019-09-20 14:42
Unknown_Island
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time limit per test 1 second time limit per test memory limit per test 256 megabytes memory limit per test input standard input input output standard 阅读全文
posted @ 2019-09-06 01:52
Unknown_Island
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FatMouse has stored some cheese in a city. The city can be considered as a square grid of dimension n: each grid location is labelled (p,q) where 0 <= 阅读全文
posted @ 2019-09-05 22:20
Unknown_Island
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该文被密码保护。 阅读全文
posted @ 2019-09-02 22:04
Unknown_Island
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该文被密码保护。 阅读全文
posted @ 2019-09-02 20:05
Unknown_Island
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dfs实现： STL permutation实现: 阅读全文
posted @ 2019-09-02 19:46
Unknown_Island
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import java.math.BigInteger; import java.util.Scanner; public class Main{ public static void main(String [] args){ Scanner cin = new Scanner(System.in); BigInteger a,b; while(cin.hasNext()){ a=cin.nex 阅读全文
posted @ 2019-09-02 15:06
Unknown_Island
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