XML to JSON Sergey Svistunov

Convert 1,000,000 person records from XML to JSON as fast as possible.

Input

XML document on STDIN:

<?xml version="1.0" encoding="UTF-8"?>
<persons>
    <person id="1512376">
        <age>30</age>
        <height>169.1</height>
        <married>true</married>
        <phone code="+6"><number>1283603279</number></phone>
        <phone code="+6"><number>1659964668</number></phone>
    </person>
    ...
</persons>

Output

One JSON object per person to STDOUT, preserving order:

{
    "id": 1512376,
    "age": 30,
    "height": 169.1,
    "married": true,
    "phones": [
        {
            "code": "+6",
            "number": 1283603279
        },
        {
            "code": "+6",
            "number": 1659964668
        }
    ]
}

Constraints

  • Preserve the order of persons
  • Omit the phones field if the phone array is empty
  • Maximum number of phones per person is 3
Restrictions:60s512Mb 1 Score Packages
Back to listJun 30, 2026 16:31A_ShamanA_ShamanError
Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jun 30, 2026 16:340494,999,769392,052,00093,449,000174,088,192diff:   map[string]any{ +  "age": s"0",    "height": s"177.4",    "id": s"964804",    ... // 2 identical entries   }
2Jun 30, 2026 16:340495,651,266392,580,00093,156,000174,092,288diff:   map[string]any{ +  "age": s"0",    "height": s"169.3",    "id": s"561142",    ... // 2 identical entries   }
3Jun 30, 2026 16:340496,580,026392,220,00094,832,000174,092,288diff:   map[string]any{ +  "age": s"0",    "height": s"180.9",    "id": s"760980",    ... // 2 identical entries   }