| Problem | Input | Output | Java Solution | C++ Solution |
|---|---|---|---|---|
| Balloons | balloons.in | balloons.out | a.java | balloons.cpp |
| Fruit | fruit.in | fruit.out | fruit.java | fruit.cpp |
| Polling | All I/O zipped | polling.java | polling.cpp | |
| Violin 1 | violin1.in | violin1.out | violin1.java | violin1.cpp |