Something that suddenly dawned

In the operational research class, think of the data structure in the tree and figure, when learning the structure of the DOM document, but also think of the data structure of the tree, root node, sibling nodes, leaf nodes, learning line generation, but also think of the original learning data structure in the matrix; later learning java,javascript,php, Just realize the object-oriented thinking is how important, just came to understand the data structure and C + + These two lessons for the subsequent learning to bring how much help.

until recently saw the Tsinghua teacher Deng Junhui of the data structure of the course introduction (You are not wrong, even the introduction can bring me a great inspiration) just completely changed my view of mathematics, only to truly realize the importance of mathematics .

Something that suddenly dawned