test_cases.json
[
{
"category": "dev",
"input": {
"num_digits": 1
},
"answer": 45
},
{
"category": "main",
"input": {
"num_digits": 2
},
"answer": 972
},
{
"category": "extra",
"input": {
"num_digits": 3
},
"answer": 13888
}
]