随笔分类 -  数学_基础题

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ACM_X章求和（数学）
摘要：X章求和 X章求和 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: X章最喜欢求和了，他一看到什么鬼就什么鬼都加起来。one day，他得到了2个数a，b 阅读全文
posted @ 2018-11-30 23:55 霜雪千年 阅读(298) 评论(0) 推荐(0) 编辑
向量叉积的运用
摘要：题解报告：hdu 2036 改革春风吹满地 （求多边形的面积） Problem Description “ 改革春风吹满地,不会AC没关系;实在不行回老家，还有一亩三分地。谢谢!（乐队奏乐）”话说部分学生心态极好，每天就知道游戏，这次考试如此简单的题目，也是云里雾里，而且，还竟然来这么几句打油诗。好 阅读全文
posted @ 2018-08-28 17:58 霜雪千年 阅读(871) 评论(0) 推荐(0) 编辑
题解报告：hdu 1124 Factorial（求N！尾数有多少个0。）
摘要：题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=1124 Problem Description The most important part of a GSM network is so called Base Transceiver Station 阅读全文
posted @ 2018-08-13 10:18 霜雪千年 阅读(135) 评论(0) 推荐(0) 编辑
Q - Euclid in Manhattan（欧几里德距离==曼哈顿距离?）
摘要：Desciption Consider a set of n points in a 2-D plane with integer coordinates. There are various ways of measuring distance between two points such as 阅读全文
posted @ 2018-07-16 07:58 霜雪千年 阅读(258) 评论(0) 推荐(0) 编辑
GCD LCM
摘要：Description The GCD of two positive integers is the largest integer that divides both the integers without any remainder. The LCM of two positive inte 阅读全文
posted @ 2018-07-14 07:59 霜雪千年 阅读(184) 评论(0) 推荐(0) 编辑
ACM_Plants vs. Zombies（一元一次方程）
摘要：Plants vs. Zombies Plants vs. Zombies Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: There is a zomb 阅读全文
posted @ 2018-07-12 08:37 霜雪千年 阅读(373) 评论(0) 推荐(0) 编辑
ACM_三元一次函数解法（克莱姆法则）
摘要：三元一次函数 三元一次函数 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 计算三元一次函数。。如图 Problem Description: Input 阅读全文
posted @ 2018-07-06 17:30 霜雪千年 阅读(3300) 评论(0) 推荐(0) 编辑
E - A Trivial Problem（求满足x！的尾数恰好有m个0的所有x）
摘要：Problem description Mr. Santa asks all the great programmers of the world to solve a trivial problem. He gives them an integer m and asks for the numb 阅读全文
posted @ 2018-06-19 07:07 霜雪千年 阅读(160) 评论(0) 推荐(0) 编辑
B - Double Cola
摘要：Problem description Sheldon, Leonard, Penny, Rajesh and Howard are in the queue for a "Double Cola" drink vending machine; there are no other people i 阅读全文
posted @ 2018-06-17 08:45 霜雪千年 阅读(178) 评论(0) 推荐(0) 编辑
ACM_鸡兔同笼（二元一次方程）
摘要：鸡兔同笼 鸡兔同笼 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 今有雉兔同笼，上有n头，下有m足，问雉兔各几何？ Problem Descriptio 阅读全文
posted @ 2018-06-11 21:19 霜雪千年 阅读(714) 评论(0) 推荐(0) 编辑
O - Masha and Bears
摘要：Problem description A family consisting of father bear, mother bear and son bear owns three cars. Father bear can climb into the largest car and he li 阅读全文
posted @ 2018-06-09 00:34 霜雪千年 阅读(210) 评论(0) 推荐(0) 编辑
B - Archer
摘要：Problem description SmallR is an archer. SmallR is taking a match of archer with Zanoes. They try to shoot in the target in turns, and SmallR shoots f 阅读全文
posted @ 2018-06-08 19:28 霜雪千年 阅读(265) 评论(0) 推荐(0) 编辑
B - Even Odds
摘要：Problem description Being a nonconformist, Volodya is displeased with the current state of things, particularly with the order of natural numbers (nat 阅读全文
posted @ 2018-06-08 17:09 霜雪千年 阅读(235) 评论(0) 推荐(0) 编辑
A - High School: Become Human
摘要：Problem description Year 2118. Androids are in mass production for decades now, and they do all the work for humans. But androids have to go to school 阅读全文
posted @ 2018-05-31 15:13 霜雪千年 阅读(160) 评论(0) 推荐(0) 编辑
C - Crazy Town
摘要：Problem description Crazy Town is a plane on which there are n infinite line roads. Each road is defined by the equation aix + biy + ci = 0, where ai  阅读全文
posted @ 2018-05-31 14:45 霜雪千年 阅读(261) 评论(0) 推荐(0) 编辑
A - Infinite Sequence
摘要：Problem description Consider the infinite sequence of integers: 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 5.... The sequence is built in the following 阅读全文
posted @ 2018-05-30 13:31 霜雪千年 阅读(344) 评论(0) 推荐(0) 编辑
F - Modular Exponentiation
摘要：Problem description The following problem is well-known: given integers n and m, calculate 2n mod m, where 2n = 2·2·...·2 (n factors), and x mod y den 阅读全文
posted @ 2018-05-29 07:09 霜雪千年 阅读(132) 评论(0) 推荐(0) 编辑
ACM_lowbit
摘要：lowbit lowbit Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: long long ans = 0; for(int i = 1; i < = 阅读全文
posted @ 2018-05-13 22:50 霜雪千年 阅读(1954) 评论(0) 推荐(1) 编辑
ACM_圆的面积
摘要：圆的面积 圆的面积 Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: AB是圆O的一条直径，CD、EF是两条垂直于AB的弦，并且以CD为直径的半圆和以EF为 阅读全文
posted @ 2018-05-13 13:18 霜雪千年 阅读(137) 评论(0) 推荐(0) 编辑
ACM_求N^N的前5位数和后5位数（数论）
摘要：NNNNN NNNNN Time Limit: 2000/1000ms (Java/Others) Time Limit: 2000/1000ms (Java/Others) Problem Description: 对于整数N，求N^N的前5位和后5位（1057题加强版) Problem Desc 阅读全文
posted @ 2018-05-10 00:15 霜雪千年 阅读(528) 评论(0) 推荐(0) 编辑

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