随笔分类 - 【差分约束】
摘要:Time Limit: 1 Sec Memory Limit: 256 MBSubmit: 390 Solved: 217[Submit][Status][Discuss] Description 有一个n*m的矩阵,初始每个格子的权值都为0,可以对矩阵执行两种操作: 1. 选择一行, 该行每个格子
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摘要:Time Limit: 10 Sec Memory Limit: 162 MBSubmit: 4149 Solved: 1994[Submit][Status][Discuss] Description 刁姹接到一个任务,为税务部门调查一位商人的账本,看看账本是不是伪造的。账本上记录了n个月以来的收
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摘要:Time Limit: 1000MSMemory Limit: 10000K Total Submissions: 947Accepted: 345Special Judge Description The Department of Recreation has decided that it m
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摘要:Time Limit: 2000MSMeamory Limit: 65536K Total Submissions: 27949Accepted: 10764 Description You are given n closed, integer intervals [ai, bi] and n i
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