123-a/作业2.7.c

#include <stdio.h>
#include <string.h>
#include <stdlib.h> 
typedef struct Student{
	char id[100];
	int cl;
	char name[100];
	float score1;
    float score2;
    float score3;
    float total_score;
}Student;
void getinput(int *type,int *p1,int *p2,int *p3){
	scanf("%d",type);
	if(*type==1||*type==2){
		scanf("%d-%d",p1,p2);
	}else if(*type==3){
		char temp[20];
		scanf("%s",temp);
		*p1=temp[0];
	}else if(*type==5){
		scanf("%d.%d-%d",p1,p2,p3);
	}else{
		scanf("%d",p1);
	}
}
void query(Student *students,int numStudents,int type,int p1,int p2,int p3,Student *results,int *numResults){
    int i;
    *numResults = 0;
    char temp1[20], temp2[20],temp3[20];
    sprintf(temp1, "%d", p1);
    sprintf(temp2, "%d", p2);//<2F><>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>ʱ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD> 
    sprintf(temp3,"%d",p3);
    for(i=0; i<numStudents; i++){
    	students[i].total_score = students[i].score1 + students[i].score2 + students[i].score3;
        switch(type){
        	
            case 1:
                if(students[i].cl>=p1&&students[i].cl<=p2){
                    results[(*numResults)++] = students[i];//<2F>༶<EFBFBD><E0BCB6><EFBFBD><EFBFBD>p1-p2<70><32> 
                }
                break;
            case 2:
                if(strcmp(students[i].id,temp1)>=0 && strcmp(students[i].id,temp2)<=0){
                    results[(*numResults)++] = students[i];//ѧ<><D1A7><EFBFBD><EFBFBD>p1-p2<70><32> 
                }
                break;
            case 3:
                if(students[i].name[0]==p1){
                    results[(*numResults)++] = students[i];//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ض<EFBFBD><D8B6><EFBFBD>ĸ<EFBFBD><C4B8>ͷ<EFBFBD><CDB7>ѧ<EFBFBD><D1A7>
                }
                break;
            case 4:
                if(students[i].total_score>=p1){
                    results[(*numResults)++] = students[i];//<2F>ִܷ<DCB7><D6B4>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD>ض<EFBFBD><D8B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѧ<EFBFBD><D1A7>
                }
                break;
            case 5:
                if(students[i].cl==p1 && strcmp(students[i].id,temp2)>=0 && strcmp(students[i].id,temp3)<= 0){
                    results[(*numResults)++] = students[i];//<2F>ض<EFBFBD><D8B6>༶<EFBFBD><E0BCB6><EFBFBD>ض<EFBFBD>ѧ<EFBFBD>ŷ<EFBFBD>Χ<EFBFBD><CEA7>ѧ<EFBFBD><D1A7>
                }
                break;
        }
    }
}
void sort(Student student[],int n){
	int i,j;
	for(i=0;i<n-1;i++){
		for(j=0;j<n-1-i;j++){
			if(student[j].cl>student[j + 1].cl||(student[j].cl==student[j + 1].cl&&student[j].total_score<student[j + 1].total_score)){
				Student temp=student[j];
				student[j]=student[j+1];
				student[j+1]=temp;
			}
		}
	}
}
void printResults(Student *results, int numResults){
    int i;
    for(i=0; i<numResults; i++){
        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);
    }
}
int main(){
	Student students[7] = {
// <20><><EFBFBD><EFBFBD>ȫ<EFBFBD><C8AB>ѧ<EFBFBD><D1A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        {"10001", 11, "Zhang", 99.5, 88.5, 89.5},
        {"10002", 12, "Yang", 77.9, 56.5, 87.5},
        {"10003", 11, "Liang", 92.5, 99.0, 60.5},
        {"10004", 11, "Cai", 89.6, 56.9, 90.5},
        {"10005", 14, "Fu", 55.6, 67.9, 98.9},
        {"10006", 12, "Mao", 22.1, 45.9, 99.2},
        {"10007", 13, "Zhan", 35.6, 67.9, 88.0}
    };
	int type;
    int p1,p2,p3;
    printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD>ͺ<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ֵ<><D6B5><EFBFBD><EFBFBD>");
    getinput(&type,&p1,&p2,&p3);
    Student results[7];
    int numResults;
    query(students,7,type,p1,p2,p3,results,&numResults);
    sort(results,numResults);
    printResults(results,numResults);
	
	return 0;
}