• Code Jam 2009 ↓
  • Qualification Round
  • Round 1A
  • Round 1B
  • Round 1C
  • Round 2
  • Round 3
  • World Final
• Countries
• Languages
• World Final

Language Details: Java

Skip to: Contestants · Problems solved · Represented countries.

Problems solved

Qualification Round (6783 solutions by 1935 contestants):

• Alien Language: 1808 small solutions, 1637 large solutions.
• Watersheds: 999 small solutions, 890 large solutions.
• Welcome to Code Jam: 1008 small solutions, 441 large solutions.

Round 1A (610 solutions by 403 contestants):

• Multi-base happiness: 392 small solutions, 79 large solutions.
• Crossing the Road: 32 small solutions, 25 large solutions.
• Collecting Cards: 46 small solutions, 36 large solutions.

Round 1B (1256 solutions by 530 contestants):

• Decision Tree: 289 small solutions, 254 large solutions.
• The Next Number: 420 small solutions, 253 large solutions.
• Square Math: 26 small solutions, 14 large solutions.

Round 1C (1077 solutions by 490 contestants):

• All Your Base: 462 small solutions, 226 large solutions.
• Center of Mass: 110 small solutions, 105 large solutions.
• Bribe the Prisoners: 148 small solutions, 26 large solutions.

Round 2 (754 solutions by 272 contestants):

• Crazy Rows: 237 small solutions, 207 large solutions.
• A Digging Problem: 30 small solutions, 10 large solutions.
• Stock Charts: 80 small solutions, 29 large solutions.
• Watering Plants: 150 small solutions, 11 large solutions.

Round 3 (91 solutions by 36 contestants):

• EZ-Sokoban: 29 small solutions, 22 large solutions.
• Alphabetomials: 21 small solutions, 6 large solutions.
• Football Team: 4 small solutions, 4 large solutions.
• Interesting Ranges: 4 small solutions, 1 large solution.

World Final (37 solutions by 10 contestants):

• Year of More Code Jam: 9 small solutions, 6 large solutions.
• Min Perimeter: 5 small solutions, 1 large solution.
• Doubly-sorted Grid: 4 small solutions.
• Wi-fi Towers: 5 small solutions, 1 large solution.
• Marbles: 4 small solutions, 1 large solution.
• Lights: 1 small solution.

Submission Origin