D - Happy Birthday! 2
Codeforces Round #417 (Div. 2) C. Sagheer and Nubian Market
Educational Codeforces Round 23 B. Makes And The Product
Codeforces Round #420 (Div. 2) C. Okabe and Boxes
Educational Codeforces Round 25 D. Suitable Replacement
Educational Codeforces Round 26 C. Two Seals
Scheduling a Meeting
Story of Seasons
Water Container System
Sort the Fabrics