随笔分类 - 比赛补题
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摘要：Kabaleo Lite 用带负数的大整数用__int128 #include <bits/stdc++.h> #define ll long long using namespace std; const int MAXN=200050,INF=0x3fffffff; ll n,a[MAXN],b
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摘要：Interesting Computer Game #include <iostream> #include <vector> #include <algorithm> #include <string> #include <set> #include <queue> #include <map>
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摘要：Drop Voicing #include <iostream> #include <vector> #include <algorithm> #include <string> #include <set> #include <queue> #include <map> #include <sst
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摘要：Keyboard Free #include <bits/stdc++.h> #define ll long long #define ld long double #define pii pair<int, int> #define rep(i,a,b) for(ll i=a;i<=b;i++)
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摘要：多校赛第二场B题 #include <bits/stdc++.h> #define ll long long #define lll unsigned long long #define pii pair<int, int> #define rep(i,a,b) for(ll i=a;i<=b;i+
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摘要：恢复内容开始 D. Grid-00100 time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A mad scientist Dr.J
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摘要：The only difference between easy and hard versions is constraints. You are given a sequence aa consisting of nn positive integers. Let's define a thre
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摘要：Given an array aa of length nn, find another array, bb, of length nn such that: for each ii (1≤i≤n)(1≤i≤n) MEX({b1MEX({b1, b2b2, ……, bi})=aibi})=ai. T
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摘要：You are given a matrix with nn rows (numbered from 11 to nn) and mm columns (numbered from 11 to mm). A number ai,jai,j is written in the cell belongi
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摘要：You are given an array aa of length nn consisting of zeros. You perform nn actions with this array: during the ii-th action, the following sequence of
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摘要：Eugene likes working with arrays. And today he needs your help in solving one challenging task. An array cc is a subarray of an array bb if cc can be
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摘要：You are given an array aa consisting of nn integers (it is guaranteed that nn is even, i.e. divisible by 22). All aiai does not exceed some integer kk
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摘要：The base (or radix) of a positional numeral system is the number of symbols that can be used to represent a number in that system. The base 1010 syste
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摘要：A group of friends snuck away from their school campus, but now they must return from the main campus gate to their dorm while remaining undetected by
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摘要：You have array of nn numbers a1,a2,…,ana1,a2,…,an. Rearrange these numbers to satisfy |a1−a2|≤|a2−a3|≤…≤|an−1−an||a1−a2|≤|a2−a3|≤…≤|an−1−an|, where |x
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摘要：C. Circle of Monsters time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are playing ano
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摘要：The sequence of mm integers is called the permutation if it contains all integers from 11 to mm exactly once. The number mm is called the length of th
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摘要：The 2018 World Cup was held recently in Russia. Some great soccer countries (e.g., Italy,Netherlands, Chile, USA) did not qualify for this World Cup.
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摘要：前有牛顿瘟疫“家里蹲”发明微积分。 现有 Cuber QQ 新冠肺炎“家里蹲”发明与矩阵。 与矩阵是一个 n×n 的矩阵。规定矩阵中的第 i 行第 j 列记为 (i,j) 。 生成一个与矩阵的方式是，先生成一个长度为 n 的数列 a1,a2,…,an−1,an ，而矩阵中 (i,j)=ai&aj 。
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