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@ -338,8 +338,8 @@ Step 2.14:if c == 12 then WritetoFile
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Step 2.15:if c == 13 then ReadfromFile
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Step 2.16:if c == 0 then exit
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详细设计
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系统模块图
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````
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1·输入n个学生的m门课成绩
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ReadScore
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@ -365,3 +365,70 @@ step3总分/人数，输出课程平均分
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step4输入下一个科目
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````
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````
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4·按选择法将数组sum的元素值排序
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SortbyScore
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Step 1:利用循环将i赋值给k
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Step 2:用循环从i+1到n-1比较,将较小的赋给k
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Step 3:如果k与i不相等，每一课的成绩交换，总分，平均分，学号，姓名依次交换
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````
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5.
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````
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````
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6.
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````
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````
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7.
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````
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````
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8.
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````
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````
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9·统计各分数段的学生人数及所占的百分比
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````
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StatisticAnalysis
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step1:输入每个学生的成绩
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step2:判断输入成绩所在的分数段
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step3:将各个分数段的成绩个数除以学生总人数并乘以百分百
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````
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10·打印学生成绩
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````
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PrintScore
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step1:输入学生的学号,姓名.
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step2:查找该学生的成绩
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step3:输出该学生的成绩
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````
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11·输出n个学生的学号、姓名及m门课程的成绩到文件student.txt中
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````
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WritetoFile
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step1:输入学生的学号和姓名
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step2:查找该学生的所有课程成绩
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step3:将成绩保存到文件student.txt中
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````
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12·从文件中读取学生的学号、姓名及成绩等信息写入到结构体数组stu中
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````
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ReadfromFile
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step1:查找文件
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step2:从文件中读取学生的学号姓名成绩
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step3:将信息写入到数组stu中
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````
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