摘要:
// 题意:有P个LED灯,以及N个字符,要求选出个数最少的LED灯,使得即使只有这些灯正常工作,也能区分出这N个字符 // 题意抽象:输入两个整数P, N以及N行P列的01矩阵,找少的列,能区分所有行 // 规模:P#include#include#include#include#includeusing namespace std;const int P=15;const i... 阅读全文
posted @ 2014-04-25 15:44
katago
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摘要:
Problem G. Birthday Cake Background Lucy and Lily are twins. Today is their birthday. Mother buys a birthday cake for them.Now we put the cake onto a Descartes coordinate. Its center is at (... 阅读全文
posted @ 2014-04-25 11:35
katago
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