package models import "time" type Problem struct { Id *int32 `db:"id"` Title *string `db:"title"` Content *string `db:"content"` TimeLimit *int32 `db:"time_limit"` MemoryLimit *int32 `db:"memory_limit"` TestingStrategy *int32 `db:"testing_strategy"` TestingOrder *string `db:"testing_order"` CreatedAt *time.Time `db:"created_at"` UpdatedAt *time.Time `db:"updated_at"` }