U
| Problem ID | Title | Solution by | Most Popular Input by |
|---|---|---|---|
| UCBINTH | Hypertubes |
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| UCI2009D | Digger Octaves |
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| UCV2013A | Counting Ids |
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| UFPR14D | Inquire |
|
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| UOFTAE | Foxling Feeding Frenzy |
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| UPDATEIT | Update the Array! |
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| UPDTARR | Arithmetic Progression Query |
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| URD | Urdhva - Tiryag Bhyam |
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