Week 3: Data Structures (練習題) = [UVa 727 Equation](https://uva.onlinejudge.org/external/7/727.pdf) [UVa OJ 673 Parentheses Balance](https://uva.onlinejudge.org/external/6/673.pdf) [UVa 10901 Ferry Loading III](https://uva.onlinejudge.org/external/109/10901.pdf) [UVa 11034 Ferry Loading IV](https://uva.onlinejudge.org/external/110/11034.pdf) [UVa 11995 I Can Guess the Data Structure!](https://uva.onlinejudge.org/external/119/11995.pdf) [^priority_queue] [UVa OJ 11988 Broken Keyboard (a.k.a. Beiju Text)](https://uva.onlinejudge.org/external/119/11988.pdf) [UVa OJ 245 Uncompress](https://uva.onlinejudge.org/external/2/245.pdf) [^priority_queue]: `priority_queue` 的用法可以去 cplusplus.com 或第四週教材查