[AtCoder] Given are positive integers N, M, Q, and Q quadruples of integers ( a_i , b_i , c_i , d_i ). - 题解

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题目信息
题号 P20425
标题 [AtCoder] Given are positive integers N, M, Q, and Q quadruples of integers ( a_i , b_i , c_i , d_i ).
难度 普及-
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