task.4
#include<stdio.h> #include<string.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[]); 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]; 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 %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 i,j; int cnt = 0; double sum, average; for(i = 0; i < n; ++i){ a[i].sum = 0.3 * a[i].s2 + 0.7 * a[i].s1; sum +=a[i].sum; } average = sum/n; for(i = 0; i < n; ++i){ if(a[i].sum > average){ h[j] = a[i]; strcpy(h[j].level,"均分以上"); cnt++; j++; } } return cnt; }
task.5
#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,min,max; for(i = 0; i < N; i++){ a[i].sum = a[i].maths + a[i].computer + a[i].english; } min = a[0].sum; max = a[0].sum; for(i = 0; i < N; i++){ if(a[i].sum > max) max = a[i].sum; } for(i = 0;i < N; i++){ 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"); } }
task.6
#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统计最低分数人数和学生信息。。。\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; } //输入n个学生信息,存放在结构体数组s中 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,i,j,cnt; j = 0; cnt = 0; min = s[0].score; 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[j] = s[i]; j++; cnt++;} } return cnt; }
标签:min,int,sum,level,++,STU,实验 From: https://www.cnblogs.com/autism-lotus1/p/17437001.html