Sparks of Fire Online Judge (SparkOJ / LDUOJ)

A Single Spark Can Start A Prairie Fire

💡 Introduction

Support for multiple programming languages such as C/C++, Java, Python and Golang. Thank go-judge.
Support for multiple types of problems such as Programming and Fill in the Blanks with Code. (代码填空题).
Contest Rank supports for mode of ACM or IOI and supports for displaying submissions after end of the contest. (赛后补题榜).
Support for creating groups (including classes and courses) which organize users to participate in contests or assignments.
Support for one-click import and export of problems, compatible with hustoj. (支持一键导入/导出题目，兼容hustoj).

OnlineJudge is licensed under the GNU General Public License v3.0.