Acker_zju的专栏

Puzzle  A children's puzzle that was popular 30 years ago consisted of a 5x5 framewhich contained 24 small squares of equal size. A unique letter of thealphabet was printed on each small sq

Repeating Decimals  The decimal expansion of the fraction 1/33 is , wherethe is used to indicate that the cycle 03 repeatsindefinitely with no intervening digits. In fact, the decimal ex

此题就是找每一列中出现次数最多的字母，出现次数最多那么在最优解zh

Crossword Answers  A crossword puzzle consists of a rectangular grid of black and white squares and two lists of definitions (or descriptions). One list of definitions is for ``words" to b