Airarts_的专栏

Packing Rectangles IOI 95   The six basic layouts of four rectangles Four rectangles are given. Find the smallest enclosing (new) rectangle into which these four may be fitted without overlapping.

Prime Palindromes The number 151 is a prime palindrome because it is both a prime number and a palindrome (it is the same number when read forward as backward). Write a program that finds all prime