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@ -227,7 +227,26 @@ void AverSumofEveryCourse(STU stu[],int n,int m)
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```
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voidSortbyScore(STU stu[],int n,int m,int(*compare)(float a,float b))
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{
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int i, j, k, t;
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for (i=0; i<n-1; i++)
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{
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k = i;
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for (j=i+1; j<n; j++)
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{
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if ((*compare)(stu[j].sum, stu[k].sum)) k = j;
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}
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if (k != i)
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{
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for (t=0; t<m; t++) //交换m门课程的成绩
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{
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SwapFloat(&stu[k].score[t], &stu[i].score[t]);
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}
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SwapFloat(&stu[k].sum, &stu[i].sum); //交换总分
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SwapFloat(&stu[k].aver, &stu[i].aver); //交换平均分
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SwapLong(&stu[k].num, &stu[i].num); //交换学号
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SwapChar(stu[k].name, stu[i].name); //交换姓名
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}
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}
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}
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```
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@ -280,17 +299,18 @@ void SwapChar(char x[],chary[])
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}
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```
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//函数功能:按选择法将数组 sum 的元素从低到高排序
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//函数功能:按选择法将数组 num 的元素从低到高排序
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```
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void AsSortbyNum(STU stu[],int n,int m)
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{
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int i, j, k, t;
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int i, j, k, t;
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for (i=0; i<n-1; i++)
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{
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int i, j, k, t;
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k = i;
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for (j=i+1; j<n; j++)
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{
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if ((*compare)(stu[j].sum, stu[k].sum)) k = j;
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if (stu[j].num < stu[k].num) k = j;
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}
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if (k != i)
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{
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