- poj-3470 Walls 線段樹 + 掃描線
- poj-1201 Intervals greedy+線段樹
- poj-3368 Frequent values 線段樹
- poj-3264 Balanced Lineup RMQ 線段樹
- poj-2886 Who Gets the Most Candies? bit
- poj-2392 Space Elevator dp
- poj-1990 MooFest BIT
- poj-2155 Matrix 2D-bit
- poj-3666 Making the Grade dp
- poj-3109 Inner Vertices bit
