light oj 1102 - Problem Makes Problem组合数学（隔板法）
摘要：
1102 - Problem Makes Problem As I am fond of making easier problems, I discovered a problem. Actually, the problem is 'how can you make n by adding k 阅读全文
posted @ 2017-07-17 10:53 缄默。 阅读(236) 评论(0) 推荐(0) 编辑
