实验六
#include <stdio.h> #include <string.h> #define N 3 //Task 1 typedef struct student { int id; char name[20]; char subject[20]; float perf; float mid; float final; float total; char level[10]; }stu; void input(stu[],int); void calc (stu[],int); int fail (stu[],stu[],int); void sort (stu[],int); void print (stu[],int); int main() { stu st[N],fst[N]; int k; printf("录入学生成绩信息:\n"); input(st,N); printf("\n学生成绩处理...\n"); calc(st,N); k=fail(st,fst,N); sort(st,N); printf("\n学生成绩排名情况:\n"); print(st, N); printf("\n不及格学生信息:\n"); print(fst,k); return 0; } void input (stu s[],int n) { for (int i = 0; i < n; ++i) scanf("%d %s %s %f %f %f",&s[i].id,s[i].name,s[i].subject,&s[i].perf,&s[i].mid,&s[i].final); } void calc (stu s[],int n) { for (int i = 0; i < n; ++i) { s[i].total=s[i].perf*0.2+s[i].mid*0.2+s[i].final*0.6; if(s[i].total>90) strcpy(s[i].level,"优"); else if (s[i].total>80) strcpy(s[i].level,"良"); else if (s[i].total>70) strcpy(s[i].level,"中"); else if (s[i].total>60) strcpy(s[i].level,"及格"); else strcpy(s[i].level,"不及格"); } } int fail (stu s[],stu f[],int n) { int k=0; for (int i = 0; i < n; ++i) if (s[i].total<60) f[k++]=s[i]; return k; } void sort (stu s[],int n) { stu temp; for (int i = 0; i < n; ++i) for (int j = 0; j < n-1; ++j) if (s[j].total<s[j+i].total) { temp=s[j]; s[j]=s[j+1]; s[j+1]=temp; } } void print (stu s[],int n) { printf("---------------\n"); printf("学号\t姓名\t考试科目\t平时成绩\t期中成绩\t期末成绩\t总评成绩\t成绩等级\n"); for (int i = 0; i < n; ++i) { printf("%d\t%s\t%s\t%-.2f\t\t%-.2f\t\t%-.2f\t\t%-.2f\t%s\n",s[i].id,s[i].name,s[i].subject,s[i].perf,s[i].mid,s[i].final,s[i].total,s[i].level); } }
#include <stdio.h> #include <string.h> const int N=5; //Task 1 typedef struct student { long id; char name[20]; int score; }stu; void input (stu [],int); int findminlist (stu [],stu [],int); void output(stu [],int); int main() { stu s[N],minlist[N]; int count; printf("录入%d个学生信息:\n",N); input (s,N); printf("\n统计最低分人数和学生信息...\n"); count=findminlist(s,minlist,N); printf("\n一共有%d个最低分,信息如下:\n",count); output(minlist,count); return 0; } void input (stu s[],int n) { for (int i = 0; i < n; i++) scanf("%ld %s %d",&s[i].id,s[i].name,&s[i].score); } int findminlist (stu s[],stu t[],int n) { int min,count=0; for (int i = 0; i < n; i++) { min = s[0].score; if (min > s[i].score) min = s[i].score; } for (int i = 0; i < n; i++) if (min==s[i].score) t[count++]=s[i]; return count; } void output(stu s[],int n) { for (int i = 0; i < n; i++) printf("%ld %s %d\n",s[i].id,s[i].name,s[i].score); }
#include <stdio.h> #include <string.h> const int N = 10; // 定义结构体类型struct student,并定义其别名为STU typedef struct student { long int id; char name[20]; float objective; /*客观题得分*/ float subjective; /*操作题得分*/ float sum; char level[10]; }STU; // 函数声明 void input(STU s[], int n); void output(STU s[], int n); void process(STU s[], int n); int main() { STU stu[N]; printf("录入%d个考生信息: 准考证号,姓名,客观题得分(<=40),操作题得分(<=60)\n", N); input(stu, N); printf("\n对考生信息进行处理: 计算总分,确定等级\n"); process(stu, N); printf("\n打印考生完整信息: 准考证号,姓名,客观题得分,操作题得分,总分,等级\n"); output(stu, N); return 0; } // 录入考生信息:准考证号,姓名,客观题得分,操作题得分 void input(STU s[], int n) { int i; for(i=0;i<n;i++) scanf("%ld %s %f %f",&s[i].id,s[i].name,&s[i].objective,&s[i].subjective); } //输出考生完整信息: 准考证号,姓名,客观题得分,操作题得分,总分,等级 void output(STU s[], int n) { int i; printf("准考证号 姓名 客观题得分 操作题得分 总分 等级\n"); for(i=0;i<n;i++) printf("%8ld %5s %6.1f %6.1f %10.1f %10s\n",s[i].id,s[i].name,s[i].objective,s[i].subjective,s[i].sum,s[i].level); } // 对考生信息进行处理:计算总分,排序,确定等级 void process(STU s[], int n) { int i,j; STU temp; for(i=0;i<n;i++) s[i].sum=s[i].objective+s[i].subjective; for(j=0;j<n-1;j++) for(i=0;i<n-1-j;i++) if(s[i].sum<s[i+1].sum) { temp = s[i]; s[i] = s[i+1]; s[i+1] = temp; } for(i=0;i<n;i++){ if(s[i].sum>s[n/10].sum) strcpy(s[i].level,"优秀"); if(s[i].sum>s[n/2].sum&&s[i].sum<=s[n/10].sum) strcpy(s[i].level,"合格"); if(s[i].sum<=s[n/2].sum) strcpy(s[i].level,"不合格"); } }