标签:结构体 fopen 合格 cti 实验 obj 排序 open student
#include <stdio.h> #include <stdlib.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); system("pause"); 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) { FILE*fp; fp=fopen("examinee.txt","r"); if(!fp){ printf("fail to open examinee.txt\n"); exit(0); } int i; for(i=0;i<n;i++){ fscanf(fp,"%ld %s %f %f",&s[i].id,&s[i].name,&s[i].objective,&s[i].subjective); } fclose(fp);} //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) { FILE *fp2; int i; fp2=fopen("result.txt","w"); if(!fp2){ printf("fail to open result.txt\n"); exit(0); } for(i=0;i<n;i++){ printf("%11ld %8s %8.2f %8.2f %8.2f %10s\n",s[i].id,s[i].name,s[i].objective,s[i].subjective,s[i].sum,s[i].level); fprintf(fp2,"%11ld %8s %8.2f %8.2f %8.2f %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;int j; STU temp; for(i=0;i<n;i++){ if((i+1)<=n*0.1) strcpy(s[i].level,"优秀"); else if((i+1)>n*0.1 && (i+1)<=n*0.5) strcpy(s[i].level,"合格"); else strcpy(s[i].level,"不合格"); } for(i=0;i<n;i++) s[i].sum=s[i].objective+s[i].subjective; for(i=0;i<n-1;i++) for(j=0;j<n-1-i;j++) if(s[j].sum < s[j+1].sum){ temp=s[j]; s[j]=s[j+1]; s[j+1]=temp; } }
标签:结构体 fopen 合格 cti 实验 obj 排序 open student
原文地址:https://www.cnblogs.com/cz02200059/p/12127723.html