摘要：
链接： https://codeforces.com/contest/1272/problem/E 题意： You are given an array a consisting of n integers. In one move, you can jump from the position i 阅读全文
摘要：
链接： https://codeforces.com/contest/1272/problem/D 题意： You are given an array a consisting of n integers. You can remove at most one element from this 阅读全文
摘要：
链接： https://codeforces.com/contest/1272/problem/C 题意： Recently, Norge found a string s=s1s2…sn consisting of n lowercase Latin letters. As an exercise 阅读全文
摘要：
链接： https://codeforces.com/contest/1272/problem/B 题意： Recently you have bought a snow walking robot and brought it home. Suppose your home is a cell ( 阅读全文
摘要：
链接： https://codeforces.com/contest/1272/problem/A 题意： outputstandard output Three friends are going to meet each other. Initially, the first friend st 阅读全文