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CodeForces - 1189 E.Count Pairs (数学)
You are given a prime number pp, nn integers a1,a2,…,ana1,a2,…,an, and an integer kk. Find the number of pairs of indexes (i,j)(i,j) (1≤i<j≤n1≤i<j≤n) ...
分类:其他好文   时间:2019-07-09 16:38:21    阅读次数:103
阶乘质因子分解——lightoj1035
#include using namespace std; #define ll long long #define maxn 200 int primes[maxn],m; bool vis[maxn]; void init(){ for(int i=2;i=maxn)break; vis[i*p... ...
分类:其他好文   时间:2019-07-04 11:08:29    阅读次数:104
距离度量学习
扩展 度量学习的目的是在样本上学习距离度量函数. 距离度量函数必须服从4个公理非负性,对称性,次可加性及不可分与同一性.在实践中,度量学习算法一般忽略了不可分与同一性并学习伪度量. 首先,了解伪度量空间.伪度量空间是度量空间的推广,一个伪度量空间$(X,d)$是有非负实值函数组成的集合$X$,若$d ...
分类:其他好文   时间:2019-07-02 20:58:46    阅读次数:388
【UVA - 1644】Prime Gap(水题)
Prime Gap 这里直接写中文了 Descriptions: 对于一个数n,若n为素数则输出0,否则找到距离n最小的两个素数,一个大于n,一个小于n,输出他们的差(正数) Input 多组输入 每行包含一个数n 若n为0,程序结束 Output 对于每个测试数据,输出一个答案占一行 Sample ...
分类:其他好文   时间:2019-06-30 18:50:04    阅读次数:85
键盘输入一个整数,判断是否是素数
/* Name : prime.c Author : zhangsan Version : Copyright : Your copyright notice Description : 键盘输入一个整数,判断是否是素数 */ #include <stdio.h> #include <stdlib. ...
分类:其他好文   时间:2019-06-30 09:20:14    阅读次数:179
【Aizu - ALDS1_1_C】Prime Numbers(素数筛法)
Prime Numbers Descriptions: A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the ...
分类:其他好文   时间:2019-06-29 22:36:17    阅读次数:214
Prime Path POJ-3126
The ministers of the cabinet were quite upset by the message from the Chief of Security stating that they would all have to change the four-digit room ...
分类:其他好文   时间:2019-06-27 21:49:10    阅读次数:145
java.lang.NoClassDefFoundError: org/apache/zookeeper/proto/SetWatches
Session 0x16b21fa441900b6 for server 192.168.240.126/192.168.240.126:2181, unexpected error, closing socket connection and attempting reconnectjava.la ...
分类:编程语言   时间:2019-06-24 19:38:30    阅读次数:111
HDU3085 Nightmare Ⅱ
题目: Last night, little erriyue had a horrible nightmare. He dreamed that he and his girl friend were trapped in a big maze separately. More terribly, ...
分类:Web程序   时间:2019-06-22 01:12:44    阅读次数:127
letecode [412] - Fizz Buzz
Write a program that outputs the string representation of numbers from 1 to n. But for multiples of three it should output “Fizz” instead of the numbe ...
分类:其他好文   时间:2019-06-21 22:22:33    阅读次数:119
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