| [ QuizWit ] in KIDS 글 쓴 이(By): guest (sol___) <schroeder.kaist.> 날 짜 (Date): 2001년 10월 18일 목요일 오후 10시 03분 02초 제 목(Title): smallest coins What is the smallest number of coins that you can't make a dollar with? I.e.,for which N does there not exist a set of N coins adding up to a dollar? It is possible to make a dollar with 1 curent U.S. coin, 2 coins(2 fifty cent pieces), 3 coins(2 quarters and fifty cent piece),etc. Is is not possible to make exactly a dollar with 101 coins. There are five kind of coins,penny(1),nickel(5),dime(10),quarter(25) ,half(50). And also you can use 1 dollar coin. |