题目描述
Read problem statements in [Hindi], [Bengali], [Mandarin Chinese], [Russian], and [Vietnamese] as well.
There are $N$ caves in a row, numbered $1$ through $N$. For each valid $i$, the radiation power in the $i$-th cave is $C_{i}$. Originally, the radiation level in each cave was $0$. Then, for each valid $i$, the radiation power in cave $i$ increased the radiation levels in the caves $i-C_{i}, \ldots, i+C_{i}$ inclusive (if they exist) by $1$, so all the caves are radioactive now.
Radiation is not the only problem, though. There are also $N$ zombies with health levels $H_{1}, H_{2}, \ldots, H_{N}$. You want to kill all of them by getting them to the caves in such a way that there is exactly one zombie in each cave. A zombie dies in a cave if and only if the radiation level in that cave is equal to the health level of the zombie. Is it possible to kill all the zombies?
------ Input ------
The first line of the input contains a single integer $T$ denoting the number of test cases. The description of $T$ test cases follows.
The first line of each test case contains a single integer $N$.
The second line contains $N$ space-separated integers $C_{1}, C_{2}, \ldots, C_{N}$.
The third line contains $N$ space-separated integers $H_{1}, H_{2}, \ldots, H_{N}$.
------ Output ------
For each test case, print a single line containing the string "YES" if it is possible to kill all the zombies or "NO" if it is impossible (without quotes).
------ Constraints ------
$1 ≤ T ≤ 100$
$1 ≤ N ≤ 10^{5}$
$1 ≤ C_{i}, H_{i} ≤ 10^{9}$ for each valid $i$
------ Subtasks ------
Subtask #1 (30 points): $1 ≤ N ≤ 1,000$
Subtask #2 (70 points): original constraints
----- Sample Input 1 ------
2
5
1 2 3 4 5
1 2 3 4 5
5
1 2 3 4 5
5 4 3 4 5
----- Sample Output 1 ------
NO
YES
----- explanation 1 ------
In both example test cases, the final radiation levels in the caves are $(5, 5, 4, 4, 3)$. For example, the radiation power in cave $1$ increased the radiation levels in caves $1$ and $2$ (there is no cave $0$) by $1$, and the radiation power in cave $4$ increased the radiation levels in all caves by $1$.
输入格式
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输出格式
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