프로그래밍/LeetCode
[LeetCode][Python3] 134. Gas Station
snoopybox
2019. 4. 8. 02:16
Problem :
https://leetcode.com/problems/gas-station/
My Solution :
class Solution:
def canCompleteCircuit(self, gas, cost):
before = tank = start = 0
for i in range(len(gas)):
tank += (gas[i] - cost[i])
if tank < 0:
before += tank
tank = 0
start = i+1
return start if 0 <= before + tank else -1