{ "$schema": "http://json-schema.org/draft-07/schema#", "type": "object", "required": ["solutions"], "properties": { "solutions": { "type": "array", "items": { "type": "object", "required": ["day", "part1", "part2"], "properties": { "day": { "type": "integer", "minimum": 1, "maximum": 25 }, "part1": { "type": "string" }, "part2": { "type": "string" } } } } } }