随笔分类 - 构造/技巧
摘要：B. Odd Sum Segments time limit per test3 seconds memory limit per test256 megabytes inputstandard input outputstandard output You are given an array a
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摘要：Every person likes prime numbers. Alice is a person, thus she also shares the love for them. Bob wanted to give her an affectionate gift but couldn't
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摘要：D. Maximum Diameter Graph time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Graph constructive
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摘要：链接：https://ac.nowcoder.com/acm/contest/308/B 来源：牛客网 tokitsukaze and RPG 时间限制：C/C++ 1秒，其他语言2秒 空间限制：C/C++ 262144K，其他语言524288K 64bit IO Format: %lld 题目描述
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摘要：链接：https://ac.nowcoder.com/acm/contest/942/B 来源：牛客网 Game with numbers 时间限制：C/C++ 1秒，其他语言2秒 空间限制：C/C++ 262144K，其他语言524288K 64bit IO Format: %lld 题目描述 给
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摘要：You are given an array a consisting of n integers, and additionally an integer m. You have to choose some sequence of indices b1, b2, ..., bk (1 ≤ b1
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摘要：为了给全球小学员打起信息安全“保护伞”，VIPKID 还建立了一套立体化的安全防御体系，7 \times 247×24 小时持续安全监控与应急响应等多项联动，具备业界最高级别的数据安全保护标准。值得一提的是，VIPKID 也是行业业内唯一通过 ISO 国际信息安全体系认证、公安部信息安全等级保护三级
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摘要：链接：https://ac.nowcoder.com/acm/contest/924/C 来源：牛客网 修围栏 时间限制：C/C++ 1秒，其他语言2秒 空间限制：C/C++ 32768K，其他语言65536K 64bit IO Format: %lld 题目描述 农民 John 希望修复围绕农场的
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摘要：Problem Statement This is an interactive task. Snuke has a favorite positive integer, N. You can ask him the following type of question at most 64 tim
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摘要：Now Vasya is taking an exam in mathematics. In order to get a good mark, Vasya needs to guess the matrix that the teacher has constructed! Vasya knows
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摘要：Time Limit: 2 sec / Memory Limit: 1024 MB Score : 700700 points Problem Statement You are given an integer NN. Build an undirected graph with NN verti
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摘要：Time Limit: 2 sec / Memory Limit: 1024 MB Score : 400400 points Problem Statement Snuke has an empty sequence aa. He will perform NN operations on thi
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摘要：E. Magic Stones time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output E. Magic Stones time limi
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摘要：B. Makes And The Product time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output B. Makes And Th
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摘要：On the way to school, Karen became fixated on the puzzle game on her phone! The game is played as follows. In each level, you have a grid with n rows
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摘要：principal 已经提交 已经通过 23.66% Total Submission：131 Total Accepted：31 principal 已经提交 已经通过 principal 已经提交 已经通过 23.66% Total Submission：131 Total Accepted：3
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摘要：Vasya has an array a consisting of positive integer numbers. Vasya wants to divide this array into two non-empty consecutive parts (the prefix and the
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摘要：Polycarp invited all his friends to the tea party to celebrate the holiday. He has ncups, one for each of his n friends, with volumes a1, a2, ..., an.
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摘要：There are nn segments [li,ri][li,ri] for 1≤i≤n1≤i≤n. You should divide all segments into two non-empty groups in such way that there is no pair of seg
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摘要：An accordion is a string (yes, in the real world accordions are musical instruments, but let's forget about it for a while) which can be represented a
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