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433 B
433 B
选择菜单命令 10，提示输入学生成绩，通过循环得出各分数段学生人数及所占百分比
请输入你的选择: 10 关于课程1: <60 0 0.00% 60-70 0 0.00% 70-80 2 50.00% 80-90 1 25.00% 90-100 0 0.00% 100 1 25.00% For course 2: <60 0 0.00% 60-70 0 0.00% 70-80 0 00.00% 80-90 2 50.00% 90-100 2 50.00% 100 0 0.00% For course 3: <60 0 0.00% 60-70 0 0.00% 70-80 0 0.00% 80-90 1 25.00% 90-100 2 50.00% 100 1 25.00%