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