Leetcode Problem 134. Gas Station

134. Gas Station

Leetcode Solutions

One Pass Solution for Gas Station Problem

  1. Initialize curr_gain, total_gain, and answer to 0.
  2. Iterate through the gas and cost arrays. a. For each station i, calculate the net gain gain[i] = gas[i] - cost[i]. b. Add gain[i] to both curr_gain and total_gain. c. If curr_gain becomes negative, set answer to i + 1 and reset curr_gain to 0.
  3. After completing the iteration, check if total_gain is non-negative. a. If yes, return answer. b. If no, return -1.
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Brute Force Solution for Gas Station Problem

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