Index By Type

Pro.ID	Problem Title	Difficulty	Notes
1023	Train Problem II	Difficulty: 2	Notes: with Big Number
1030	Delta-wave	Difficulty: 1	Notes:
1041	Computer Transformation	Difficulty: 3	Notes: with Big Number
1130	How Many Trees?	Difficulty: 2	Notes: with Big Number
1131	Count the Trees	Difficulty: 2	Notes: with Big Number
1133	Buy the Ticket	Difficulty: 2	Notes: with Big Number
1134	Game of Connections	Difficulty: 2	Notes: with Big Number
1143	Tri Tiling	Difficulty: 1	Notes:
1207	汉诺塔II	Difficulty: 1	Notes:
1223	Order Count	Difficulty: 1	Notes: with Big Number
1246	自共轭Ferrers图	Difficulty: 1	Notes:
1267	下沙的沙子有几粒？	Difficulty: 2	Notes:
1291	Closing Ceremony of Sunny Cup	Difficulty: 4	Notes: with Big Number
1292	"下沙野骆驼"ACM夏令营	Difficulty: 2	Notes:
1293	The Number of Paths	Difficulty: 2	Notes:
1297	Children’s Queue	Difficulty: 1	Notes: with Big Number
1438	钥匙计数之一	Difficulty: 1	Notes:

Deduce