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可化繁为简的思维题
1.Not Sitting 描述: Rahul and Tina are looking forward to starting their new year at college. As they enter their new classroom, they observe the seats of students are arranged in a n×mn×m grid. The seat in row rr and column cc is denoted by (r,c)(r第十二篇英语翻译
出处:https://acs.jxnu.edu.cn/contest/23/board/challenge/B; Not Sitting 描述: Rahul and Tina are looking forward to starting their new year at college. As they enter their new classroom, they observe the seats of students are arranged in a n×mn×m grid. T