摘要:
1049. Counting Ones (30)The task is simple: given any positive integer N, you are supposed to count the total number of 1's in the decimal form of the... 阅读全文
摘要:
1045. Favorite Color Stripe (30)Eva is trying to make her own color stripe out of a given one. She would like to keep only her favorite colors in her ... 阅读全文
摘要:
1056. Mice and Rice (25)Mice and Riceis the name of a programming contest in which each programmer must write a piece of code to control the movements... 阅读全文