随笔分类 - 基本算法-枚举
摘要：A. Rounding time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Vasya has a non-negative inte
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摘要：【题意】：给你一个数k，求所有使得1/k = 1/x + 1/y成立的x≥y的整数对。 【分析】：枚举所有在区间【k+1, 2k】上的 y 即可，当 1/k - 1/y 的结果分子为1即为一组解。 【代码】：
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摘要：【题意】：乘积最大的子序列。n∈[1,10]，s∈[-10,10] 【代码】：
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摘要：【题意】：输入正整数n，用0~9这10个数字不重复组成两个五位数abcde和fghij，使得abcde/fghij的商为n，按顺序输出所有结果。如果没有找到则输出“There are no solutions for N.”。这里2<=n<=79。 【分析】： 1.因为n>=2，且abcde=fgh
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摘要：Description A ring is composed of n (even number) circles as shown in diagram. Put natural numbers 1,2,3，...，n into each circle separately, and the su
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摘要：A. Hungry Student Problem time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Ivan's classes
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摘要：Accept: 1040 Submit: 2314Time Limit: 1000 mSec Memory Limit : 32768 KB Accept: 1040 Submit: 2314Time Limit: 1000 mSec Memory Limit : 32768 KB Problem
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摘要：A. Minimum Difficulty time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Minimum Difficu
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摘要：题目描述 因为151既是一个质数又是一个回文数(从左到右和从右到左是看一样的)，所以 151 是回文质数。 写一个程序来找出范围[a,b](5 <= a < b <= 100,000,000)( 一亿)间的所有回文质数; 输入输出格式 输入格式： 第 1 行: 二个整数 a 和 b . 输出格式：
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摘要：A. Flipping Game time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Iahub got bored, so he i
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摘要：A. Buy a Shovel time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Buy a Shovel time limi
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摘要：A. New Year and Hurry time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. New Year and Hur
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摘要：A. I_love_%username% time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Vasya adores sport
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摘要：A. IQ test time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. IQ test time limit per tes
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摘要：A. Kefa and First Steps time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Kefa and Firs
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摘要：A. Beautiful Year time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Beautiful Year time
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摘要：A. Lucky Division time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Lucky Division time
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摘要：time limit per test 1 second memory limit per test 64 megabytes input standard input output standard output time limit per test 1 second time limit pe
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摘要：A. Pizza Separation time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Students Vasya and Pe
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