Business Cards
题意翻译
输入正整数a,b,c,d,1<=a,b,c,d<=10^9,
问你能把c * d的矩阵分成若干个a * b的矩阵。
题目描述
[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=447&page=show_problem&problem=4181
[PDF](https://uva.onlinejudge.org/external/14/p1435.pdf)