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 20, 2026 21:02A_ShamanA_ShamanError
Source Code

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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jun 20, 2026 21:030558,456,818515,233,00034,109,00096,489,472diff: map[string]any{ + "age": s"57", "height": s"182.1", "id": s"381992", ... // 2 identical entries }
2Jun 20, 2026 21:030557,512,351514,277,00034,235,00096,489,472diff: map[string]any{ + "age": s"31", "height": s"167.1", "id": s"817818", "married": bool(true), }
3Jun 20, 2026 21:030558,736,657515,426,00034,268,00096,489,472diff: map[string]any{ + "age": s"41", "height": s"184.3", "id": s"372146", ... // 2 identical entries }