How to Solve Defuse the Bomb Problem
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Defuse the Bomb
You have a bomb to defuse, and your time is running out! Your informer will provide you with a circular array code of length of n and a key k. To decrypt the code, you must replace every number. All t...
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Understanding the Defuse the Bomb Problem
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Problem Statement
You have a bomb to defuse, and your time is running out! Your informer will provide you with a circular array code of length of n and a key k. To decrypt the code, you must replace every number. All the numbers are replaced simultaneously. If k > 0, replace the ith number with the sum of the next k numbers. If k < 0, replace the ith number with the sum of the previous k numbers. If k == 0, replace the ith number with 0. As code is circular, the next element of code[n-1] is code[0], and the previous element of code[0] is code[n-1]. Given the circular array code and an integer key k, return the decrypted code to defuse the bomb!
Defuse the Bomb
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Examples
code = [5,7,1,4], k = 3[12,10,16,13]Each number is replaced by the sum of the next 3 numbers. The decrypted code is [7+1+4, 1+4+5, 4+5+7, 5+7+1]. Notice that the numbers wrap around.
code = [1,2,3,4], k = 0[0,0,0,0]When k is zero, the numbers are replaced by 0.
code = [2,4,9,3], k = -2[12,5,6,13]The decrypted code is [3+9, 2+3, 4+2, 9+4]. Notice that the numbers wrap around again. If k is negative, the sum is of the previous numbers.
Constraints
n == code.length1 <= n <= 1001 <= code[i] <= 100(n - 1) <= k <= n - 1How Interview Coder Helps with Leetcode Problems
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