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XZG_伪代码

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XZG_伪代码
xuzigui 2 years ago
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@ -669,191 +669,162 @@ end
//函数功能：计算每个学生各门课程的总分和平均分
```
void AverSumofEveryStudent(STU stu[],int n,int m)
{
function AverSumofEveryStudent(STU stu[],int n,int m) do
int i,j;
for(i=0;i<n;i++)
{
for form i=0 to n-1 do
stu[i].sum = 0; //初始化每个学生总分为0
for(j=0;j<m;j++)
{
for from j=0 to m-1 do
stu[i].sum = stu[i].sum + stu[i].score[j]; //累加分数
}
end
stu[i].aver = m>0 ? stu[i].sum /m : -1;
printf("student %d: sum = %.0f,aver = %.0f\n",i+1,stu[i].sum,stu[i].aver);
}
}
printf "student %d: sum = %.0f,aver = %.0f\n"
end
end
```
//函数功能：计算每门课程的总分和平均分
```
void AverSumofEveryCourse(STU stu[],int n,int m)
{
function AverSumofEveryCourse(STU stu[],int n,int m) do
int i,j;
float sum[COURSE_NUM],aver[COURSE_NUM];
for(j=0;j<m;j++)
{
for from j=0 to m-1 do
sum[j] = 0;
for(i=0;i<n;i++)
{
for from i=0 to n-1 do
sum[j]+= stu[i].score[j]; //计算n个同学每门课程的总分
}
end
aver[j] = sum[j]/i;
printf("course %d: sum = %.0f,aver = %.0f\n",j+1, sum[j], aver[j]);
}
}
printf "course %d: sum = %.0f,aver = %.0f\n"
end
end
```
//函数功能：按选择法将数组 sum 的元素值排序
```
void SortbyScore(STU stu[],int n,int m,int(*compare)(float a,float b))
{
function SortbyScore(STU stu[],int n,int m,int(*compare)(float a,float b)) do
int i, j, k, t;
for (i=0; i<n-1; i++)
{
for from i=0 to n-2 do
k = i;
for (j=i+1; j<n; j++)
{
if ((*compare)(stu[j].sum, stu[k].sum)) k = j;
}
if (k != i)
{
for (t=0; t<m; t++) //交换m门课程的成绩
{
for from i+1 to n-1 do
if (*compare)(stu[j].sum, stu[k].sum) set k = j;
end
if k != i
for from t=0 to m-1 do //交换m门课程的成绩
SwapFloat(&stu[k].score[t], &stu[i].score[t]);
}
end
SwapFloat(&stu[k].sum, &stu[i].sum); //交换总分
SwapFloat(&stu[k].aver, &stu[i].aver); //交换平均分
SwapLong(&stu[k].num, &stu[i].num); //交换学号
SwapChar(stu[k].name, stu[i].name); //交换姓名
}
}
}
end
end
end
```
//使数据按升序排序
```
int Ascending(float a,float b)
{
function Ascending(float a,float b) do
return a < b; //这样比较决定了按升序排序，如果a<b，则交换
}
end
```
//使数据按降序排序
```
int Descending(float a,float b)
{
function Descending(float a,float b) do
return a > b; // 这样比较决定了按降序排序，如果 a>b，则交换
}
end
```
//交换两个单精度浮点型数据
```
void SwapFloat(float *x,float *y)
{
function SwapFloat(float *x,float *y) do
float temp;
temp = *x;
*x = *y;
*y = temp;
}
end
```
//交换两个长整型数据
```
void SwapLong(long *x,long *y)
{
function SwapLong(long *x,long *y) do
long temp;
temp = *x;
*x = *y;
*y = temp;
}
end
```
//交换两个字符串
```
void SwapChar(char x[],char y[])
{
function SwapChar(char x[],char y[]) do
char temp[MAX_LEN];
strcpy(temp, x);
strcpy(x, y);
strcpy(y, temp);
}
end
```
//函数功能：按选择法将数组 num 的元素从低到高排序
```
void AsSortbyNum(STU stu[],int n,int m)
{
function AsSortbyNum(STU stu[],int n,int m) do
int i, j, k, t;
for (i=0; i<n-1; i++)
{
for from i=0 to n-2 do
int i, j, k, t;
k = i;
for (j=i+1; j<n; j++)
{
if (stu[j].num < stu[k].num) k = j;
}
if (k != i)
{
for (t=0; t<m; t++) //交换m门课程的成绩
{
set k = i;
for from j=i+1 to n-1 do
if stu[j].num < stu[k].num set k = j;
end
if k != i do
for from t=0 to m-1 do //交换m门课程的成绩
SwapFloat(&stu[k].score[t], &stu[i].score[t]);
}
end
SwapFloat(&stu[k].sum, &stu[i].sum); //交换总分
SwapFloat(&stu[k].aver, &stu[i].aver); //交换平均分
SwapLong(&stu[k].num, &stu[i].num); //交换学号
SwapChar(stu[k].name, stu[i].name); //交换姓名
}
}
}
end
end
end
```
//函数功能：交换法实现字符串按字典顺序排序
```
void SortbyName(STU stu[],int n,int m)
{
function SortbyName(STU stu[],int n,int m) do
int i, j, t;
for (i=0; i<n-1; i++)
{
for (j = i+1; j<n; j++)
{
if (strcmp(stu[j].name, stu[i].name) < 0)
{
for (t=0; t<m; t++) //交换m门课程的成绩
{
for from i=0 to n-2 do
for from j = i+1 to n-1 do
if strcmp(stu[j].name, stu[i].name) < 0 do
for from t=0 to m-1 do //交换m门课程的成绩
SwapFloat(&stu[i].score[t], &stu[j].score[t]);
}
end
SwapFloat(&stu[i].sum, &stu[j].sum); //交换总分
SwapFloat(&stu[i].aver, &stu[j].aver); //交换平均分
SwapLong(&stu[i].num, &stu[j].num); //交换学号
SwapChar(stu[i].name, stu[j].name); //交换姓名
}
}
}
}
end
end
end
end
```
//函数功能：按学号查找学生成绩并显示查找结果
```
void SearchbyNum(STU stu[],int n,int m)
{
function SearchbyNum(STU stu[],int n,int m) do
long number;
int i,j;
printf("Input the number you want to search:");
scanf("%ld",&number);
for(i=0;i<n;i++)
if(stu[i].num==number)
{
printf("\n");
for(j=0;j<m;j++)
printf("%d\t",stu[i].score[j]);
printf("\n");
printf"Input the number you want to search:"
input number
forfrom i=0 to n-1 do
if stu[i].num==number do
printf"\n"
for from j=0 to m-1 do
printf "%d\t"
printf "\n"
break;
}
if(i==n)
printf("\nNot found!\n");
}
end
if i==n
printf "\nNot found!\n"
end
```
//函数功能：按姓名查找学生成绩并显示查找结果

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