第四届蓝桥杯C语言题目（国外英文资料）.docVIP

第四届蓝桥杯C语言题目（国外英文资料） The title: the gauss journal The great mathematician gauss had a good habit of keeping a journal. His diary had a different place. He never noted the date of the lunar New Year, but instead used an integer, such as 4210 Later, people knew that the integer was the date, and it said that the day was the day after the gauss was born. This may be a good habit, too, and it is a constant reminder to the host: how much time is wasted in the past day? Gauss was born on April 30, 1777. The diary of an important theorem found by gauss is noted: 5343, so that is the day of the day: December 15, 1791. Title: the formula of a tiger Xiao Ming is a quick temper. He often wrote his teacher on the blackboard when he was in elementary school. Once, the teacher said: 36 x 495 =? Hes copying it: 396 x 45 =? But the result was dramatic, and his answer was right!! Because 36 times 495 is 396 times 45 is 17820 There may be a lot of coincidences like this: 27 * 594 = 297 * 54 Lets say that a, b, c, d, and e are the five Numbers that differ from 1 to 9. (note that these Numbers are different, and they dont contain 0.) How many kinds of calculations can be satisfied with the form of a: ab * cde = adb * ce? Please use the computers advantage to find all possible answers and answer different types of calculation. Its going to be an even number. The answers are submitted directly through the browser. Note: only submit a number that represents the final count of the statistics, not submitting the solution or any other redundant content. Title 39: step 39 Xiao Ming had just watched the movie the 39th step, and when he left the cinema, he counted the number of steps in front of the auditorium, which happened to be 39! Standing on the steps, he suddenly thought of a question: If I can only take one or two steps per step. Take the left foot first, then the left and right hand side, the last step is the right foot, which means you have to walk even. So how many different ways are