test_cases.json
[
{
"category": "dev",
"input": {
"n": 10
},
"answer": 2520
},
{
"category": "main",
"input": {
"n": 20
},
"answer": 232792560
},
{
"category": "extra",
"input": {
"n": 50
},
"answer": 3099044504245996706400
},
{
"category": "extra",
"input": {
"n": 100
},
"answer": 69720375229712477164533808935312303556800
}
]