组合数学 (Spring 2024)/Problem Set 1: Revision history

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14 May 2024

  • curprev 13:0513:05, 14 May 2024‎ Roundgod talk contribs‎ 1,789 bytes +1,789‎ Created page with "== Problem 1 == How many <math>n\times m</math> matrices of <math>0</math>'s and <math>1</math>'s are there, such that every row and column contains an even number of <math>1</math>'s? An odd number of <math>1</math>'s? == Problem 2 == * There is a set of <math>2n</math> people: <math>n</math> male and <math>n</math> female. A good party is a set with the same number of male and female. How many possibilities are there to build such a good party? * Try to express the a..."
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