test_cases.json
[
{
"category": "dev",
"input": {
"n": 2
},
"answer": 9009
},
{
"category": "main",
"input": {
"n": 3
},
"answer": 906609
},
{
"category": "extra",
"input": {
"n": 4
},
"answer": 99000099
},
{
"category": "extra",
"input": {
"n": 5
},
"answer": 9966006699
}
]