Codeforces Round 821 (Div. 2) C. Parity Shuffle Sorting (构造之全变成一样的) 给你一个数组a aa,其中有n nn个非负整数。你可以对它进行以下操作。 选择两个索引l ll和r rr( 1 ≤ l < r ≤ n ) ( 1≤l<r≤n )(1≤l<r≤n)。 如果a l + a r a_l+a_ral+ar是奇数,则进行...
= 1) cout << y << "\n"; else { if(2 * y >= x) cout << x << "\n"; else cout << 2 * y << "\n"; } } } } int main() { int t; cin >> t; while (t -- ) { solve(); } return 0; } 3、1733C Parity Shuffle Sorting 题意: 给予你一个长度时b,只包含非...
void bit_array_shuffle(BIT_ARRAY* bitarr) // e.g. If you want exactly 9 random bits set in an array, use: bit_array_set_region(arr, 0, 9); // set the first 9 bits bit_array_shuffle(arr); // shuffle the array Useful functions The file bit_macros.h contains many useful macr...
1366B-Shuffle.cpp 1366C-PalindromicPaths.cpp 1367A-ShortSubstrings.cpp 1367B-EvenArray.cpp 1367C-SocialDistance.cpp 1368A-C+eq.cpp 1368B-CodeforcesSubsequences.cpp 1368C-EvenPicture.cpp 1369A-FashionabLee.cpp 1369B-AccurateLee.cpp 1369C-RationalLee.cpp 1370A-1370A-MaximumGCD.cpp 1370B-GCDComp...
C. Parity Shuffle Sorting D1. Zero-One (Easy Version) A. Consecutive Sum 思路分析:根据题意可知将数组进行分组处理(由取模操作) 例如(以下标为例) 1...k+1...2*k+1...为一组 2...k+2...2*k+2...为一组等,以此类推 由于每个组内的元素可以相互交换,因此将每个小组内部的最大值交换至...
1969B-ShiftsAndSorting.cpp 1970A1-BalancedShuffleEasy.cpp 1971A-MyFirstSortingProblem.cpp 1971B-DifferentString.cpp 1971C-ClockAndStrings.cpp 1971D-BinaryCut.cpp 1971E-FindTheCar.cpp 1971F-CircleParameter.cpp 1972A-ContestProposal.cpp 1972B-CoinGames.cpp 1972D1-ReverseCardEasyVersion.cpp 1973A-...
1969B-ShiftsAndSorting.cpp 1970A1-BalancedShuffleEasy.cpp 1971A-MyFirstSortingProblem.cpp 1971B-DifferentString.cpp 1971C-ClockAndStrings.cpp 1971D-BinaryCut.cpp 1971E-FindTheCar.cpp 1971F-CircleParameter.cpp 1972A-ContestProposal.cpp 1972B-CoinGames.cpp 1972D1-ReverseCardEasyVersion.cpp 1973A-...
0384-Shuffle-an-Array 0386-Lexicographical-Numbers 0387-First-Unique-Character-in-a-String 0388-Longest-Absolute-File-Path 0389-Find-the-Difference 0390-Elimination-Game 0391-Perfect-Rectangle 0393-UTF-8-Validation 0394-Decode-String 0398-Random-Pick-Index 0404-Sum-of-Left-Le...
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Trainsorting.cpp │ ├── 11461 - Square Numbers.cpp │ ├── 11463 - Commandos.cpp │ ├── 11464 - Even Parity.cpp │ ├── 11466 - Largest Prime Divisor.cpp │ ├── 11470 - Square Sums.c │ ├── 11472 - Beautiful Numbers.cpp │ ├── 11473 - Campus Roads.cpp │ ...