2829 -- How Many Free Dimensions?
If we set c12 = c21, then only three of the four components of C is independent, or C has three free dimensions. Now we have k n-dimensional ...
POJ历届月赛题目提供者名单
2829 Problem C How Many Free Dimensions? 梁绍池 2830 Problem D Max Sequence II 武小军 2831 Problem E Can We Build This One? 朱泓丞 2832 Problem...