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https://codeforces.com/contest/1339/problem/B https://codeforces.com/blog/entry/75913 B. Sorted Adjacent Differences You have array of n numbers a1,a2,…,an. Rearrange these numbers to satisfy |a1−a2|≤|a2−a3|≤…≤|an−1−an|, where |x| denotes absolute value of x. It's always possible to find such rearrangement. Note that all numbers in a are not necessarily different. In other words, some numbers of..

https://codeforces.com/contest/1333/problem/C binary search 이분 탐색 data structures 자료구조 hashing 해 implementation 실행 two pointers 투 포인터 C. Eugene and an array Eugene likes working with arrays. And today he needs your help in solving one challenging task. An array c is a subarray of an array b if c can be obtained from b by deletion of several (possibly, zero or all) elements from the beginning and..