short & easy understanding python solution

  • 0
    class Solution(object):
    	def minimumTotal(self, triangle):
    		if len(triangle)==0:
    			return 0
    		res = [0]*len(triangle)
    		for l in reversed(triangle[1:len(triangle)]):
    			res = [ l[i]+res[i] for i in range(len(l))]
    			res = [ min(res[i-1],res[i]) for i in range(1,len(l)) ]if len(l)>2 else [res[0]+triangle[0][0]]  
    		return res[0]

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