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摘要: Given an integer array with all positive numbers and no duplicates, find the number of possible combinations that add up to a positive integer target. 阅读全文
posted @ 2017-06-24 15:59 hellowOOOrld 阅读(179) 评论(0) 推荐(0)
摘要: Find all possible combinations of k numbers that add up to a number n, given that only numbers from 1 to 9 can be used and each combination should be 阅读全文
posted @ 2017-06-24 15:10 hellowOOOrld 阅读(234) 评论(0) 推荐(0)