2021-06-21 11:21

# c语言求解答急急急！！

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#### 1条回答默认 最新

• qfl_sdu 2021-06-21 11:31
已采纳

代码如下：

``````#include <stdio.h>
struct Student
{
int nmb;
char name[20];
int score[3];
};
//录入数据
void inputinfo(struct Student a[])
{
int i;
printf("输入10个学生的学号，姓名，三门课的成绩：\n");
for (i = 0;i< 10;i++)
{
scanf("%d %s %d %d %d",&a[i].nmb,a[i].name,&a[i].score[0],&a[i].score[1],&a[i].score[2]);
}
}
//科目成绩最高的学生信息
void maxinfo(struct Student a[])
{
int i;
int max1,max2,max3;
int index1 = 0,index2 = 0,index3 = 0;
max1 = a[0].score[0];
max2 = a[0].score[1];
max3 = a[0].score[2];
for (i = 1;i<10;i++)
{
if (a[i].score[0] > max1)
{
max1 = a[i].score[0];
index1 = i;
}
if (a[i].score[1] > max2)
{
max2 = a[i].score[1];
index2 = i;
}
if (a[i].score[2] > max3)
{
max3 = a[i].score[2];
index3 = i;
}
}
printf("科目1成绩最高的学生：%d\t%s\t%d\n",a[index1].nmb,a[index1].name,a[index1].score[0]);
printf("科目2成绩最高的学生：%d\t%s\t%d\n",a[index2].nmb,a[index2].name,a[index2].score[1]);
printf("科目3成绩最高的学生：%d\t%s\t%d\n",a[index3].nmb,a[index3].name,a[index3].score[2]);
}

//科目成绩最低的学生信息
void mininfo(struct Student a[])
{
int i;
int min1,min2,min3;
int index1 = 0,index2 = 0,index3 = 0;
min1 = a[0].score[0];
min2 = a[0].score[1];
min3 = a[0].score[2];
for (i = 1;i<10;i++)
{
if (a[i].score[0] < min1)
{
min1 = a[i].score[0];
index1 = i;
}
if (a[i].score[1] < min2)
{
min2 = a[i].score[1];
index2 = i;
}
if (a[i].score[2] < min3)
{
min3 = a[i].score[2];
index3 = i;
}
}
printf("科目1成绩最低的学生：%d\t%s\t%d\n",a[index1].nmb,a[index1].name,a[index1].score[0]);
printf("科目2成绩最低的学生：%d\t%s\t%d\n",a[index2].nmb,a[index2].name,a[index2].score[1]);
printf("科目3成绩最第的学生：%d\t%s\t%d\n",a[index3].nmb,a[index3].name,a[index3].score[2]);
}

//平均成绩最高的学生信息
void avginfo(struct Student a[])
{
int i = 0;
float avg = 0.0;
float maxavg = (a[0].score[0] + a[0].score[1]+a[0].score[2])/3.0;
int index =0;
for (i = 1;i<10;i++)
{
avg = (a[i].score[0] + a[i].score[1]+a[i].score[2])/3.0;
if (avg > maxavg)
{
maxavg = avg;
index = i;
}
}
printf("平均分最高的学生：%d\t%s\t%.2f\n",a[index].nmb,a[index].name,maxavg);
}
//按平均分从高到低排序
void Sort(struct Student a[])
{
int i,j;
float avg1,avg2;
struct Student tmp;
for (i = 0;i< 9;i++)
{
for (j = 0;j< 9-i;j++)
{
avg1 = (a[j].score[0] + a[j].score[1]+a[j].score[2])/3.0;
avg2 = (a[j+1].score[0] + a[j+1].score[1]+a[j+1].score[2])/3.0;
if(avg1 < avg2)
{
tmp = a[j];
a[j] = a[j+1];
a[j+1] = tmp;
}
}
}
printf("number	name	math	Chinese	English	average\n");
for (i = 0;i<10;i++)
{
avg1 = (a[i].score[0] + a[i].score[1]+a[i].score[2])/3.0;
printf("%d\t%s\t%d\t%d\t%d\t%.2f\n",a[i].nmb,a[i].name,a[i].score[0],a[i].score[1],a[i].score[2],avg1);
}
}

//统计占比
void Zhanbi(struct Student a[])
{
int aa = 0,b = 0,c = 0,d = 0;
float avg = 0.0;
int i = 0;
for (i = 0;i<10;i++)
{
avg = (a[i].score[0] + a[i].score[1] + a[i].score[2]) /3.0;
if(avg >=90.0)
aa++;
else if(avg >= 80.0 && avg <90.0)
b++;
else if(avg >= 60.0 && avg <80.0)
c++;
else
d++;
}
printf("平均分90分以上的占比为%.1f\n",aa/10.0);
printf("平均分80-90分的占比为%.1f\n",b/10.0);
printf("平均分60-80分的占比为%.1f\n",c/10.0);
printf("平均分60分以下的占比为%.1f\n",d/10.0);
}

int main()
{
struct Student a[10];
inputinfo(a);
maxinfo(a);
mininfo(a);
avginfo(a);
Sort(a);
Zhanbi(a);
return 0;
}
``````
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