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Possilbe Solutions for this problem Farmer John is growing N ( 1 < 2 1 0 ^ 5 ) plants of asparagus on his farm!
Possilbe Solutions for this problem Farmer John is growing N plants of asparagus on his farm! However some of his plants have genetic differences, so some plants will grow faster than others. The initial height of the i th plant is h inches, and after each day, the i th plant grows by ai inches. FJ likes some of his plants more than others, and he wants some specific plants to be taller than others. He gives you an array of distinct values t tN containing all integers from to N and he wants the i th plant to have exactly ti other plants that are taller than it Find the minimum number of days so that FJs request is satisfied, or determine that it is impossible. INPUT FORMAT pipe stdin: The first will consist of an integer T denoting the number of independent test cases T The first line of each test case consists of an integer N The second line consists of N integers h h denoting the initial height of the i th plant in inches. The third line consists of N integers ai ai denoting the number of inches the i th plant grows each day. The fourth line consists of N distinct integers t denoting the array that FJ gives you. It is guaranteed that the sum of N over all test cases does not exceed OUTPUT FORMAT pipe stdout: Output T lines, the answer to each test case on a different line. If it is not possible, output Note that the large size of integers involved in this problem may require the use of bit integer data types eg a "long long" in C C SAMPLE INPUT: SAMPLE OUTPUT: ; ; ; ; ; In the first sample input, there are test cases. In the first test case, there is only one plant, so the condition is satisfied on day In the second test case, we need the first plant to be shorter than the second plant. After day the heights are and After day the heights are both After day the heights are and and that's the first day in which the condition is satisfied. The third and fourth test cases are similar to the second. In the fifth test case, both plants start with an initial height of and a growth rate of So they will always have identical heights, and therefore the condition is never satisfied. In the sixth test case, the condition is not satisfied initially and the growth rates are the same. So the condition can never be satisfied.
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