diff --git a/day2/【基础算法】.pdf b/day2/【基础算法】.pdf new file mode 100644 index 0000000..a253cd5 Binary files /dev/null and b/day2/【基础算法】.pdf differ diff --git a/day2/【基础算法】作业题解.pdf b/day2/【基础算法】作业题解.pdf new file mode 100644 index 0000000..6cb7c74 Binary files /dev/null and b/day2/【基础算法】作业题解.pdf differ