USACO Arithmetic Progressions（暴力）

【USACO Arithmetic Progressions（暴力）】的更多相关文章

USACO Arithmetic Progressions（暴力）

题目请点我题解: 这道题的题意是找出集合里全部固定长度为N的等差数列.集合内的元素均为P^2+q^2的形式(0<=p,q<=M).时间要求5s内.本着KISS,直接暴力. 可是后来竟超时了.检查后发现是map的问题,本想利用map实现常数级的查找.可是显然map内部不是这种.所以对于普通的数据类型.数据量不大(250^2+250^2)的情况下还是利用数组标记查找好一点,get. 代码实现: /* ID: eashion LANG: C++ TASK: ariprog */ #include…

USACO Arithmetic Progressions 【构造等差数列】

USER: Jeremy Wu [wushuai2] TASK: ariprog LANG: C++ Compiling... Compile: OK Executing... Test 1: TEST OK [0.005 secs, 11880 KB] Test 2: TEST OK [0.008 secs, 11880 KB] Test 3: TEST OK [0.008 secs, 11876 KB] Test 4: TEST OK [0.014 secs, 11880 KB] Test…

USACO 1.4 Arithmetic Progressions

Arithmetic Progressions An arithmetic progression is a sequence of the form a, a+b, a+2b, ..., a+nb where n=0,1,2,3,... . For this problem, a is a non-negative integer and b is a positive integer. Write a program that finds all arithmetic progression…

洛谷P1214 [USACO1.4]等差数列 Arithmetic Progressions

P1214 [USACO1.4]等差数列 Arithmetic Progressions• o 156通过o 463提交• 题目提供者该用户不存在• 标签USACO• 难度普及+/提高提交讨论题解最新讨论• 这道题有问题• 怎么进一步优化时间效率啊 …题目描述一个等差数列是一个能表示成a, a+b, a+2b,..., a+nb (n=0,1,2,3,...)的数列.在这个问题中a是一个非负的整数,b是正整数.写一个程序来找出在双平方数集合(双平方数集合是所有能表示成p的平方 + q的平…

E - Two Arithmetic Progressions（CodeForces - 710D）（拓展中国剩余定理）

You are given two arithmetic progressions: a1k + b1 and a2l + b2. Find the number of integers x such that L ≤ x ≤ R and x = a1k' + b1 = a2l' + b2, for some integers k', l' ≥ 0. Input The only line contains six integers a1, b1, a2, b2, L, R (0 < a1, a…

[Educational Codeforces Round 16]D. Two Arithmetic Progressions

[Educational Codeforces Round 16]D. Two Arithmetic Progressions 试题描述 You are given two arithmetic progressions: a1k + b1 and a2l + b2. Find the number of integers x such that L ≤ x ≤ R andx = a1k' + b1 = a2l' + b2, for some integers k', l' ≥ 0. 输入 Th…