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【题目】I Hate Non-integer Number
AtCoder Beginner Contest 262
D - I Hate Non-integer Number
【题目】K Derangement
【题目】Gift Tax
【题目】Operations on a Matrix.md
NOMURA Programming Contest 2022(AtCoder Beginner Contest 253)
F - Operations on a Matrix
【题目】Distance Sequence
NOMURA Programming Contest 2022(AtCoder Beginner Contest 253)
E - Distance Sequence