实验5 结构体应用编程

实验任务3

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#define N 100
typedef struct student
{
    char num[10];
    int s1;
    int s2;
    double sum;
    char level[10];
}STU;
int fun(STU a[], int n, STU h[]);
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}
    };
    STU h[N];
    int i, k, n = 10;
    k = fun(s, n, h);
    printf("There are :\n");
    for (i = 0; i < k; i++)
        printf("%s %d %d %.2lf %s\n", h[i].num, h[i].s1, h[i].s2, h[i].sum, h[i].level);
    return 0;
}
int fun(STU a[], int n, STU h[])
{
    int count=0, i;
    double aver=0,s=0;
    for (i = 0; i < 10; i++)
    {
        a[i].sum = a[i].s1 * 0.7 + a[i].s2 * 0.3;
        s += a[i].sum;
    }
    aver = s / 10;
    for (i = 0; i < 10; i++)
    {
        if (a[i].sum > aver)
        {
            strcpy(h[count].num, a[i].num);
            h[count].s1 = a[i].s1;
            h[count].s2 = a[i].s2;
            h[count].sum = a[i].sum;
            strcpy(h[count].level, "均分以上");
            count++;
        }
    }
    return count;
}

实验任务4

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<string.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 %s\n", s[i].name, s[i].num, s[i].maths, s[i].computer, s[i].english, s[i].sum, s[i].level);
    return 0;
}
void fun(STU a[], int n)
{
    int i,max, min;
    for (i = 0; i < N; i++)
        a[i].sum = a[i].maths + a[i].computer + a[i].english;
    max = min = a[0].sum;
    for (i = 0; i < N; i++)
    {
        if (a[i].sum > max)
            max = a[i].sum;
        if (a[i].sum < min)
            min = a[i].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");
    }
        
}

实验任务5

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<string.h>
#define N 5
typedef struct student
{
    long no;
    char name[20];
    int score;
}STU;
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");
    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 %d\n", s[i].no, s[i].name, s[i].score);
}
int find_min_list(STU s[], STU t[], int n)
{
    int min = s[0].score;
    int i, count = 0;
    for (i = 0; i < n; i++)
        if (s[i].score < min)
            min = s[i].score;
    for (i = 0; i < n; i++)
        if (s[i].score == min)
        {
            t[count].no = s[i].no;
            strcpy(t[count].name, s[i].name);
            t[count].score = s[i].score;
            count++;
        }
    return count;
}