| Problem | Input | Output | Java Solution | C++ Solution | Python Solution |
|---|---|---|---|---|---|
| Balloons | balloons.in | balloons.out | a.java | balloons.cpp | balloons.py |
| Conference | conference.in | conference.out | conference.java | conference.cpp | conference.py |
| Fruit | fruit.in | fruit.out | fruit.java | fruit.cpp | fruit.py |
| Polling | All I/O zipped | polling.java | polling.cpp | polling.py |