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7 kyu
String Merge!
5,972cannse
Completed Languages:
4 kyu
Sort binary tree by levels
12,948kars7e
Completed Languages:
8 kyu
Count of positives / sum of negatives
144,949Dentzil
Completed Languages:
8 kyu
Plural
38,393wthit56
Completed Languages:
4 kyu
Undo/Redo
3,594surtich
Completed Languages:
7 kyu
Execute me nTimes
861dcieslak
Completed Languages:
8 kyu
Fake Binary
140,917PG1
Completed Languages:
6 kyu
SQL Basics: Simple IN
12,590matt c
Completed Languages:
5 kyu
Count IP Addresses
27,650xDranik
Completed Languages:
6 kyu
Dude, my computer cannot count!
414mattes
Completed Languages:
6 kyu
SQL Basics: Simple NULL handling
8,046matt c
Completed Languages:
8 kyu
Invert values
161,751user7657844
Completed Languages:
8 kyu
My head is at the wrong end!
46,966PG1
Completed Languages:
5 kyu
SQL Tuning: Function Calls
1,853danicat
Completed Languages:
5 kyu
SQL Basics: Simple Hierarchical structure
2,783matt c
Completed Languages:
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