CF1032G.Chattering
普及/提高-
通过率:0%
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题目描述
There are n parrots standing in a circle. Each parrot has a certain level of respect among other parrots, namely ri . When a parrot with respect level x starts chattering, x neighbours to the right and to the left of it start repeating the same words in 1 second. Their neighbours then start repeating as well, and so on, until all the birds begin to chatter.
You are given the respect levels of all parrots. For each parrot answer a question: if this certain parrot starts chattering, how many seconds will pass until all other birds will start repeating it?
输入格式
In the first line of input there is a single integer n , the number of parrots ( 1≤n≤105 ).
In the next line of input there are n integers r1 , ..., rn , the respect levels of parrots in order they stand in the circle ( 1≤ri≤n ).
输出格式
Print n integers. i -th of them should equal the number of seconds that is needed for all parrots to start chattering if the i -th parrot is the first to start.
输入输出样例
输入#1
4 1 1 4 1
输出#1
2 2 1 2
输入#2
8 1 2 2 1 5 1 3 1
输出#2
3 3 2 2 1 2 2 3