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Silver III
428
72 until Silver II
91
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# Unlocked Users
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Level 1 Sprout
Solved problems for 2 days in a row
116K
Level 2 Sprout
Solved problems for 4 days in a row
73K
Level 3 Sprout
Solved problems for 8 days in a row
34K
Newbie Problem-solver
Solve 10 problems
142K
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Solve 50 problems
98K
Java
Java 8, Java 8 (OpenJDK), Java 11, Java 15 중 하나의 언어로 아무 문제나 해결
27K
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