• 欢迎光临~

# 实验5

```#include <stdio.h>
#include<string.h>
#include<stdlib.h>
#define N 100
typedef struct {
char num[10]; // 学号
int s1; // 期末成绩
int s2; // 平时成绩
double sum; // 总评
char level[10]; // 等级
} STU;
int fun(STU a[], int n, STU h[]); // 函数声明
int main() {
STU s[N] = { {"GA05", 85, 76},
{"GA03", 76, 90},
{"GA02", 69, 90},
{"GA04", 85, 56},
{"GA01", 91, 95},
{"GA07", 72, 80},
{"GA08", 64, 45},
{"GA06", 87, 98},
{"GA015", 85, 86},
{"GA013", 91, 97} }; // 原始学生成绩记录
STU h[N]; // 保存均分以上学生记录
int i, k, n = 10;
// 调用fun对学生成绩记录进行处理
k = fun(s, n, h);
// 输出均分以上学生记录
printf("There are :n");
for (i = 0; i < k; i++)
printf("%s %d %d %.2f %sn", h[i].num, h[i].s1, h[i].s2, h[i].sum,
h[i].level);
system("pause");
return 0;
}
int fun(STU a[], int n, STU h[]) {
int b = 0, i;
double result=0,ave;
for (i = 0; i < 10; i++)
{
a[i].sum = a[i].s1 * 0.7 + a[i].s2 * 0.3;
result = result + a[i].sum;
}
ave = result / 10.0;
for (i = 0; i < 10; i++)
{
if (a[i].sum >= ave)
{
strcpy(h[b].level, "均分以上");
strcpy(h[b].num, a[i].num);
h[b].s1 = a[i].s1;
h[b].s2 = a[i].s2;
h[b].sum=a[i].sum;
b++;
}
}
return b;
}```

```#include <stdio.h>
#include <string.h>
#include<stdlib.h>
#define N 5
typedef struct student {
char name[10];
int num;
int maths;
int computer;
int english;
int sum;
char level[10];
} STU;
void fun(STU a[], int n);
int main() {
STU s[6 * N] = { {"A001", 1, 34, 67, 80},
{"B003", 3, 78, 87, 90},
{"A002", 2, 90, 98, 99},
{"B002", 4, 56, 78, 98},
{"A005", 5, 35, 67, 79} };
int i;
fun(s, N);
for (i = 0; i < N; i++)
printf("%s %d %d %d %d %d %sn", s[i].name, s[i].num, s[i].maths,
s[i].computer, s[i].english, s[i].sum, s[i].level);
system("pause");
return 0;
}
void fun(STU a[], int n)
{
int i,max,min,j;
for (i = 0; i < N; i++)
a[i].sum = a[i].maths + a[i].computer + a[i].english;
max = a[0].sum;
min = a[0].sum;
for (j = 0; j < N; j++)
{
if (a[j].sum > max)
max = a[j].sum;
if (a[j].sum < min)
min = a[j].sum;
}
for (i = 0; i < N; i++)
{
if (a[i].sum==max)
strcpy(a[i].level, "优秀");
else if (a[i].sum==min)
strcpy(a[i].level, "不及格");
else
strcpy(a[i].level, "合格");
}
}```

```#include <stdio.h>
#define N 5
// 定义结构体类型struct student, 并定义STU为其别名
typedef struct student {
long no;
char name[20];
int score;
} STU;
// 函数声明
void input(STU s[], int n);
int find_min_list(STU s[], STU t[], int n);
void output(STU s[], int n);
int main() {
STU stu[N], min_list[N];
int count;

printf("录入%d个学生信息n", N);
input(stu, N);

printf("n统计最低分人数和学生信息...n");
count = find_min_list(stu, min_list, N);

printf("n一共有%d个最低分，信息如下:n", count);
output(min_list, count);

return 0;
}
void input(STU s[], int n) {
int i;
for (i = 0; i < n; i++)
scanf("%ld %s %d", &s[i].no, s[i].name, &s[i].score);
}
void output(STU s[], int n) {
int i;
for (i = 0; i < n; i++)
printf("%ld %s %dn", s[i].no, s[i].name, s[i].score);
}
int find_min_list(STU s[], STU t[], int n) {
int count = 0, min = 100;
for (int i = 0; i < N; i++)
{
if (s[i].score < min)
min = s[i].score;
}
for (int i = 0; i < N; i++)
if (s[i].score == min)
t[count++] = s[i];
return count;
}```