#2876. 「一本通 6.6 练习 4」数三角形
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ID: 2876
Type: Default
1000ms
512MiB
Tried: 0
Accepted: 0
Difficulty: (None)
Uploaded By:
linfeng
「一本通 6.6 练习 4」数三角形
题目描述
题目详见 LOJ #2240，本题关闭提交！