摘要： 先上题目Sum of Factorials Time Limit:500MS Memory Limit:32768KB 64bit IO Format:%lld & %lluDescriptionGiven an integer n, you have to find whether it can be expressed as summation of factorials. For given n, you have to report a solution such thatn = x1! + x2! + ... + xn! (xi 2 #inclu... 阅读全文

摘要： 先上题目Problem FPLAYING BOGGLEBoggle® is a classic word game played on a 4 by 4 grid of letters. The letter grid is randomly generated by shaking 16 cubes labeled with a distribution of letters similar to that found in English words. Players try to find words hidden within the grid.Words are forme 阅读全文