Leetcode Problem 848. Shifting Letters

848. Shifting Letters

Leetcode Solutions

Prefix Sum Approach

  1. Initialize a variable totalShifts to 0 to keep track of the accumulated shifts.
  2. Iterate over the shifts array in reverse order.
    • For each shifts[i], add it to totalShifts.
    • Calculate the effective shift for the current character by taking totalShifts modulo 26 (the number of letters in the alphabet).
    • Shift the character at index i in the string s by the effective shift amount.
    • Update the character in the string s.
  3. Return the updated string s after all shifts have been applied.
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Brute Force Approach

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