摘要： Problem DescriptionGiven a positive integer N, you should output the leftmost digit of N^N.InputThe input contains several test cases. The first line of the input is a single integer T which is the number of test cases. T test cases follow.Each test case contains a single positive integer N(1<=N& 阅读全文

摘要： Problem DescriptionIgnatius bought a land last week, but he didn't know the area of the land because the land is enclosed by a parabola and a straight line. The picture below shows the area. Now given all the intersectant points shows in the picture, can you tell Ignatius the area of the land?No 阅读全文

摘要： Problem DescriptionGiven a positive integer N, you should output the most right digit of N^N.InputThe input contains several test cases. The first line of the input is a single integer T which is the number of test cases. T test cases follow.Each test case contains a single positive integer N(1<= 阅读全文

摘要： Problem DescriptionEverybody knows any number can be combined by the prime number.Now, your task is telling me what position of the largest prime factor.The position of prime 2 is 1, prime 3 is 2, and prime 5 is 3, etc.Specially, LPF(1) = 0.InputEach line will contain one integer n(0 < n < 100 阅读全文