2816 A - Quad Trees 
2817 B - The Suspects 
2822 C - Merging Sequences Problem 
2826 D - EKG Sequence 
2833 E - Which Way Do I Go? 
2870 F - Obstructed Rook Circuits
2879 G - Emergency services 
2891 H - Cyber cafe 
2897 I - Highway Monitor 

problemas do LIVE ARCHIVE ICPC

Resolvidos:

OK - A - Quad Trees - recursão
OK - B - The Suspects - disjoint set 
   - C - Merging Sequences Problem 
OK - D - EKG Sequence - números primos
OK - E - Which Way Do I Go? - busca + djkistra
OK - F - Obstructed Rook Circuits - backtracking
OK - G - Emergency services - djikstra
OK - H - Cyber cafe - backtracking
   - I - Highway Monitor