《挑战程序设计竞赛》2.1.3 穷竭搜索 POJ2718 POJ3187 POJ3050 AOJ0525
POJ2718SmallestDifferenceTimeLimit: 1000MS MemoryLimit: 65536KTotalSubmissions: 6509 Accepted: 1773DescriptionGivenanumberofdistinctdecimaldigits,youcanformoneintegerbychoosinganon-emptysubsetofthesed