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2017, Dating in Singapore

Challenge Link: 2017, Dating in Singapore

Category: MISC

Writeup: 2017, Dating in Singapore

01081522291516170310172431-050607132027162728-0102030209162330-02091623020310090910172423-02010814222930-0605041118252627-0203040310172431-0102030108152229151617-04050604111825181920-0108152229303124171003-261912052028211407-04051213192625

分析字串

  • 用 - 分隔的話共有12段
  • 每段的長度不一樣,但都是雙數

嘗試

  • 每兩個一組轉成ascii -> 沒意思
  • 轉成hex -> 沒意思

解法

  • 觀察標題 “2017, Dating in Singapore” -> 可能跟日期有關
  • 發現每兩個一組都不會超過31,又共有12個月
  • 找到新加坡2017的月曆後將對應的日期標記出來