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ad hoc problems
Problem Name Online Judge Contest Difficulty Level
1 Cards Categories SPOJ 1
2 Even Numbers Categories SPOJ 1
3 The Eternal Immortality Categories Codeforces Codeforces Round #439 (Div. 2) 1
4 Adding Reversed Numbers Categories SPOJ 1
5 TEX Quotes Categories UVA 1
6 Mapmaker Categories UVA 2
7 Complete Binary Tree Categories SPOJ 3
8 Day of Pay Categories SPOJ 3
9 Happy Birthday !!! Categories SPOJ 4