乐逍遥xwl

导航

Codeforces Round #577 (Div. 2) B - Zero Array

Codeforces Round #577 (Div. 2) B - Zero Array You are given an array a1,a2,…,an. In one operation you can choose two elements ai and aj (i≠j) and decr

posted on 2019-08-05 22:24  乐逍遥xwl  阅读(504)  评论(0)  编辑  收藏  举报