algorithm => USACO Training

Signed-off-by: CyberZHG <443442708@qq.com>
algorithm => ZOJ

Signed-off-by: CyberZHG <443442708@qq.com>
algorithm => SPOJ

Signed-off-by: CyberZHG <443442708@qq.com>
algorithm => DOJ

Signed-off-by: CyberZHG <443442708@qq.com>
algorithm => DOJ Old

Signed-off-by: CyberZHG <443442708@qq.com>