任务一
#include <stdio.h> #define N 5 typedef struct student { long no; char name[20]; int score; } STU; void input(STU s[], int n); int findMinlist(STU s[], STU t[], int n); void output(STU s[], int n); int main() { STU stu[N], minlist[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 = findMinlist(stu, 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) { 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 findMinlist(STU s[], STU t[], int n) { int min,a=0;int i; struct student nb; min=s[0].score; for(i=1;i<n;i++) { if(min>s[i].score) { min=s[i].score; } } for(i=0;i<n;i++) { if(min==s[i].score) t[a++]=s[i]; } return a; }
任务二
#include<stdio.h> #include<string.h> #define N 10 typedef struct student { long int id; char name[20]; float objective; float subjective; float sum; char level[10]; }STU; 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: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; } void input(STU s[], int n) { int i; for (i = 0; i < n; i++) scanf_s("%ld %s %f %f", &s[i].id, s[i].name, &s[i].objective, &s[i].subjective); } 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("%-12ld%-6s%-12.2f%-12.2f%-8.2f%s\n", s[i].id, s[i].name, s[i].objective, s[i].subjective, s[i].sum, s[i].level); } void process(STU s[], int n) { int i, j; STU t; for (i = 0; i < n; i++) s[i].sum = s[i].objective + s[i].subjective; for (i = 0; i < n - 1; i++) { t = s[i]; for (j = i + 1; j < n; j++) { if (s[i].sum < s[j].sum) { t = s[j]; s[j] = s[i]; s[i] = t; } } } for (i = 0; i < n; i++) { if ((i + 1) <= n / 10) strcpy_s(s[i].level, "优秀"); else if ((i + 1) > n / 10 && (i + 1) <= n / 2) strcpy_s(s[i].level, "合格"); else strcpy_s(s[i].level, "不合格"); } }
任务三
#include<stdio.h> #include<string.h> #define N 10 typedef struct student { long int id; char name[20]; float objective; float subjective; float sum; char level[10]; }STU; 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: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; } void input(STU s[], int n) { FILE* find; int i; find = fopen_s("examinee.txt", "r"); for (i = 0; i < n; i++) fscanf_s(find, "%ld %s %f %f", &s[i].id, s[i].name, &s[i].objective, &s[i].subjective); fclose(find); } void output(STU s[], int n) { FILE* out; int i; out = fopen_s("result.txt", "w"); printf("准考证号 姓名 客观题得分 操作题得分 总分 等级\n"); fprintf(out, "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++) { fprintf(out, "%-12ld%-6s%-12.2f%-12.2f%-8.2f%s\n", s[i].id, s[i].name, s[i].objective, s[i].subjective, s[i].sum, s[i].level); printf("%-12ld%-6s%-12.2f%-12.2f%-8.2f%s\n", s[i].id, s[i].name, s[i].objective, s[i].subjective, s[i].sum, s[i].level); } fclose(out); } void process(STU s[], int n) { int i, j; STU t; for (i = 0; i < n; i++) s[i].sum = s[i].objective + s[i].subjective; for (i = 0; i < n - 1; i++) { t = s[i]; for (j = i + 1; j < n; j++) { if (s[i].sum < s[j].sum) { t = s[j]; s[j] = s[i]; s[i] = t; } } } for (i = 0; i < n; i++) { if ((i + 1) <= n / 10) strcpy_s(s[i].level, "优秀"); else if ((i + 1) > n / 10 && (i + 1) <= n / 2) strcpy_s(s[i].level, "合格"); else strcpy_s(s[i].level, "不合格"); } }