测评会员优惠活动进行中 · 开通 VIP,有效期内测评不限次 VIP 优惠中 · 测评不限次 立即查看

A15897. Blank Space

编程题 普及/提高-

题目描述

You are given a binary array $a$ of $n$ elements, a binary array is an array consisting only of $0$ s and $1$ s.

A blank space is a segment of consecutive elements consisting of only $0$ s.

Your task is to find the length of the longest blank space.

输入格式

The first line contains a single integer $t$ ( $1 \leq t \leq 1000$ ) — the number of test cases.

The first line of each test case contains a single integer $n$ ( $1 \leq n \leq 100$ ) — the length of the array.

The second line of each test case contains $n$ space-separated integers $a_i$ ( $0 \leq a_i \leq 1$ ) — the elements of the array.

输出格式

For each test case, output a single integer — the length of the longest blank space.

输入输出样例

输入 #1
5
5
1 0 0 1 0
4
0 1 1 1
1
0
3
1 1 1
9
1 0 0 0 1 0 0 0 1
输出 #1
2
1
1
0
3
上一题 去做题 下一题