Trainings
Grand Prix of China在比赛时的第 $10, 12, 14, 16, 18$ 组测试数据有误，这些数据已被修正。
QOJ.ac
QOJ
Time Limit: 2 s
Memory Limit: 256 MB
Total points: 100
#301. Table Coloring
Statistics
The problem was used in the following contest: Asia-Pacific Informatics Olympiad 2011
在比赛时的第 $10, 12, 14, 16, 18$ 组测试数据有误，这些数据已被修正。