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107 lines
3.3 KiB
107 lines
3.3 KiB
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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typedef struct Student{
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char id[100];
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int cl;
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char name[100];
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float score1;
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float score2;
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float score3;
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float total_score;
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}Student;
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void getinput(int *type,int *p1,int *p2,int *p3){
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scanf("%d",type);
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if(*type==1||*type==2){
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scanf("%d-%d",p1,p2);
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}else if(*type==3){
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char temp[20];
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scanf("%s",temp);
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*p1=temp[0];
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}else if(*type==5){
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scanf("%d.%d-%d",p1,p2,p3);
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}else{
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scanf("%d",p1);
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}
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}
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void query(Student *students,int numStudents,int type,int p1,int p2,int p3,Student *results,int *numResults){
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int i;
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*numResults = 0;
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char temp1[20], temp2[20],temp3[20];
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sprintf(temp1, "%d", p1);
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sprintf(temp2, "%d", p2);//格式化数据写入临时字符串
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sprintf(temp3,"%d",p3);
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for(i=0; i<numStudents; i++){
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students[i].total_score = students[i].score1 + students[i].score2 + students[i].score3;
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switch(type){
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case 1:
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if(students[i].cl>=p1&&students[i].cl<=p2){
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results[(*numResults)++] = students[i];//班级号在p1-p2内
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}
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break;
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case 2:
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if(strcmp(students[i].id,temp1)>=0 && strcmp(students[i].id,temp2)<=0){
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results[(*numResults)++] = students[i];//学号在p1-p2内
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}
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break;
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case 3:
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if(students[i].name[0]==p1){
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results[(*numResults)++] = students[i];//名字以特定字母开头的学生
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}
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break;
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case 4:
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if(students[i].total_score>=p1){
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results[(*numResults)++] = students[i];//总分大于等于特定分数的学生
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}
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break;
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case 5:
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if(students[i].cl==p1 && strcmp(students[i].id,temp2)>=0 && strcmp(students[i].id,temp3)<= 0){
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results[(*numResults)++] = students[i];//特定班级、特定学号范围的学生
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}
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break;
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}
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}
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}
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void sort(Student student[],int n){
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int i,j;
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for(i=0;i<n-1;i++){
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for(j=0;j<n-1-i;j++){
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if(student[j].cl>student[j + 1].cl||(student[j].cl==student[j + 1].cl&&student[j].total_score<student[j + 1].total_score)){
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Student temp=student[j];
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student[j]=student[j+1];
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student[j+1]=temp;
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}
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}
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}
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}
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void printResults(Student *results, int numResults){
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int i;
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for(i=0; i<numResults; i++){
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printf("%s %d %s %.1f %.1f %.1f\n", results[i].id, results[i].cl, results[i].name, results[i].score1, results[i].score2, results[i].score3);
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}
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}
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int main(){
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Student students[7] = {
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// 定义全局学生数组
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{"10001", 11, "Zhang", 99.5, 88.5, 89.5},
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{"10002", 12, "Yang", 77.9, 56.5, 87.5},
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{"10003", 11, "Liang", 92.5, 99.0, 60.5},
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{"10004", 11, "Cai", 89.6, 56.9, 90.5},
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{"10005", 14, "Fu", 55.6, 67.9, 98.9},
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{"10006", 12, "Mao", 22.1, 45.9, 99.2},
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{"10007", 13, "Zhan", 35.6, 67.9, 88.0}
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};
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int type;
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int p1,p2,p3;
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printf("请输入查询类型和值（格式：类型 值）：");
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getinput(&type,&p1,&p2,&p3);
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Student results[7];
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int numResults;
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query(students,7,type,p1,p2,p3,results,&numResults);
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sort(results,numResults);
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printResults(results,numResults);
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return 0;
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}
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