test_cases.json
[
{
"category": "dev",
"input": {
"max_num": 10
},
"answer": 17
},
{
"category": "main",
"input": {
"max_num": 2000000
},
"answer": 142913828922
},
{
"category": "extra",
"input": {
"max_num": 10000000
},
"answer": 3203324994356
}
]