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Guan Yunchang

Japan

@virtual_judge_1

Badges

Problem Solving
CPP
Java
Python
Days of Code
Days of JS
Sql
C language
Ruby

Certifications

Certificate: Java (Basic)

skill

Certificate: Problem Solving (Intermediate)

skill

Certificate: Problem Solving (Basic)

skill

Certificate: Java (Intermediate)

skill

Certificate: Problem Solving (Advanced)

skill

Certificate: C (Basic)

skill

Certificate: C (Intermediate)

skill

Work Experience

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