exam_test/考试系统.c

#include<stdio.h>
#include<stdlib.h>


typedef struct student{
	char name[25];
	int num;
	int t;
	int f; 
	float total;
}STU; 
typedef struct textpaper{
	char title[1000];
	char a[100];
	char b[100];
	char c[100];
	char d[100];
	char answer;
}Paper;
void Openfile();//<2F><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>
float pinfen(char,char);//<2F><><EFBFBD><EFBFBD> 
void chengji(); //<2F><><EFBFBD>ճɼ<D5B3><C9BC>ݶ<EFBFBD><DDB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɼ<EFBFBD> 
void design();//<2F><><EFBFBD><EFBFBD>ϵͳ 
void check();//<2F>鿴<EFBFBD><E9BFB4><EFBFBD><EFBFBD> 
void del();//ɾ<><C9BE><EFBFBD><EFBFBD>Ŀ
void alter();//<2F>޸<EFBFBD><DEB8><EFBFBD>Ŀ 
int a=0,d=0,t=0;//a<><61>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD> t<><74>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD> <-ȫ<>ֱ<EFBFBD><D6B1><EFBFBD> 
struct student stu[100];
Paper problem[1000]; 
int main(){
	char ch,ch1,key;//key<65><79>ʾѧ<CABE><D1A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD> 
	float sum=0,count=0;
	int b,c;
	Openfile();//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 	
    printf("================================================================================\n\n");
    printf("================================================================================\n\n");
    printf("*************************<2A><>ӭʹ<D3AD>ÿ<EFBFBD><C3BF><EFBFBD>ϵͳ*******************************\n\n");
    printf("--------------------------------------------------------------------------------\n\n");
    printf("********************************************************************************\n\n");
    printf("================================================================================\n\n");
    printf("<EFBFBD>밴<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뿼<EFBFBD><EFBFBD>ϵͳϵͳ<EFBFBD><EFBFBD>\n");
    getchar();
    system("cls");
    printf("<EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>뿼<EFBFBD><EFBFBD>: y/n yΪ<79>ǣ<EFBFBD>nΪ<6E><CEAA><EFBFBD><EFBFBD>\n");
    scanf("%c",&ch1); 
    getchar(); 
    if(ch1=='y'||ch1=='Y'){
	    printf("--------------------------<2D><>¼<EFBFBD><C2BC>ѧ<EFBFBD><D1A7><EFBFBD><EFBFBD>Ϣ-----------------------------\n");
		printf("--------------------<2D>Ƿ<EFBFBD>ѡ<EFBFBD><D1A1>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Y/N --------\n");
		printf("--------------------<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-------\n");
		scanf("%c",&ch);
		getchar(); 
	
		if(ch=='y'||ch=='Y'){
			printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n"); 
			scanf("%d",&a);
			for(int i=0;i<a;i++){
				printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>%dλѧ<CEBB><D1A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ\n",i+1);
				scanf("%s %d",stu[i].name,&stu[i].num);
				getchar(); 
			}	
			system("cls");
		}
		else{
			a=1; 
			printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뿼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ:\n");
			scanf("%s %d",stu[0].name,&stu[0].num);// 
			getchar();
			system("cls");
		    }
			printf("׼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뿼<EFBFBD><EFBFBD><EFBFBD>ˣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>𣡣<EFBFBD>\n");
			printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Y<EFBFBD><EFBFBD><EFBFBD>뿼<EFBFBD><EFBFBD> \n");
			scanf("%c",&ch);
			getchar();
			 
			if(ch=='y'||ch=='Y'){
				printf("<EFBFBD><EFBFBD>ע<EFBFBD>⣬<EFBFBD><EFBFBD><EFBFBD>д𰸾<EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD>Ĵ𰸴<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n");
				printf("<EFBFBD><EFBFBD><EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>%d<><64><EFBFBD><EFBFBD>\n",t); 
				printf("<EFBFBD>뿼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɼ<EFBFBD>!\n"); 
				}
				for(int j=0;j<a;j++){
					sum=0; 
					for(int i=0;i<t;i++){
						printf("<EFBFBD><EFBFBD>%d<><64>\n",i+1);
						printf("<EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>\n"); 
						printf("%s\n",problem[i].title);
						printf("A:%s\n",problem[i].a);
						printf("B:%s\n",problem[i].b);
						printf("C:%s\n",problem[i].c);
						printf("D:%s\n",problem[i].d);
						printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ𰸣<EFBFBD>");
						key=getchar();
						getchar();
						count=pinfen(key,problem[i].answer);//<2F>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD>Ĺ<EFBFBD><C4B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
						sum+=count;
						system("cls");//<2F><><EFBFBD><EFBFBD>
							}
					stu[j].total=sum;
					printf("<EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD>%s\n",stu[j].name); 
					printf("<EFBFBD>ܷ<EFBFBD>:%.2f\n",stu[j].total);
									
			}
		chengji();//<2F><><EFBFBD><EFBFBD>ѧ<EFBFBD><D1A7><EFBFBD>ɼ<EFBFBD> 
	}
	else{
		while(1){//
		system("cls");	
		printf("          *************************<2A>˵<EFBFBD>****************************\n");
		printf("          *    1.         <20><>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>              2.   <20>鿴<EFBFBD><E9BFB4><EFBFBD><EFBFBD>      *\n");
		printf("          *    3.         ɾ<><C9BE><EFBFBD><EFBFBD>Ŀ              4.   <20>޸<EFBFBD><DEB8><EFBFBD>Ŀ      *\n");
		printf("          *********************************************************\n");
z:		printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫѡ<EFBFBD><EFBFBD><EFBFBD>Ĺ<EFBFBD><EFBFBD>ܣ<EFBFBD>\n");
		scanf("%d",&c);
		getchar();
		switch(c){
			case 1:
		    design();//<2F><><EFBFBD><EFBFBD>ϵͳ 
		    
			break;
			case 2:
			check();//<2F>鿴<EFBFBD><E9BFB4><EFBFBD><EFBFBD>
		
			break;
			case 3:
			del();//ɾ<><C9BE><EFBFBD><EFBFBD>Ŀ
			break;
			case 4:
			alter();//<2F>޸<EFBFBD><DEB8><EFBFBD>Ŀ 
			break;
			default:
			printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:(\n");
			goto z;	//<2F><>չ<EFBFBD><D5B9>goto<74><6F><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9> ͷ<>ļ<EFBFBD>stdio 
		 }
		}

		
	} 
    
	
		return 0;
	}
void Openfile(){ //<2F><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD> 
	int i=0;
	FILE *fp1;
	fp1= fopen("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>data2.txt","ab+");//<2F><>׷<EFBFBD>ӵ<EFBFBD><D3B5><EFBFBD>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1>ļ<EFBFBD>(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD><DAA3><EFBFBD><EFBFBD>½<EFBFBD><C2BD><EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD><D6AE><EFBFBD><EFBFBD>ԭ<EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>׷<EFBFBD><D7B7>)<29><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>β<EFBFBD><CEB2>׷<EFBFBD><D7B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD>󣬿<EFBFBD><F3A3ACBF><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD>ú<EFBFBD><C3BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼλ<CABC><CEBB>
	if(fp1==NULL){
		printf("<EFBFBD>ܱ<EFBFBD>Ǹ<EFBFBD>޷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>:( \n");
	}
	while(!feof(fp1)){//feof <20><>ʾ<EFBFBD>ļ<EFBFBD><C4BC>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD> 
		if(	fread(&problem[t],sizeof(Paper),1,fp1)==1){//fread <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>  
			t++;//<2F><>ȡ<EFBFBD><C8A1>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
		}
		
	}		
	fclose(fp1);//<2F><><EFBFBD><EFBFBD>Ҫ<EFBFBD>ģ<EFBFBD><C4A3><EFBFBD><EFBFBD><EFBFBD>©<EFBFBD><C2A9> 
} 
void design(){//<2F><><EFBFBD><EFBFBD>ϵͳ 
	printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>\n");
	gets(problem[t].title);
	printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Aѡ<EFBFBD>\n");
	gets(problem[t].a);
	printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Bѡ<EFBFBD>\n");
	gets(problem[t].b);
	printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Cѡ<EFBFBD>\n");
	gets(problem[t].c);
	printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Dѡ<EFBFBD>\n");
	gets(problem[t].d);
	printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷѡ<EFBFBD>\n");
	problem[t].answer=getchar();
	t++;
} 
void check(){//<2F>鿴<EFBFBD><E9BFB4><EFBFBD><EFBFBD> 
	int i;
	printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⹲<EFBFBD><EFBFBD>%d<><64><EFBFBD><EFBFBD>Ŀ\n",t);
	for(i=0;i<t;i++){
		printf("<EFBFBD><EFBFBD>%d<>⣺\n",i+1);
		printf("<EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>\n");
		printf("%s\n", problem[i].title);
		printf("  A:%s\n", problem[i].a);
		printf("  B:%s\n", problem[i].b);
		printf("  C:%s\n", problem[i].c);
		printf("  D:%s\n", problem[i].d);
		printf("<EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>%c\n", problem[i].answer);
	} 
	putchar('\n');
	system("pause");
} 
void del(){//ɾ<><C9BE><EFBFBD><EFBFBD>Ŀ 
	int i;
	char chi;
	printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫɾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD>ı<EFBFBD><EFBFBD>ţ<EFBFBD>\n");
	scanf("%d",&i);
	getchar(); 
	i=i-1;
	printf("<EFBFBD><EFBFBD>Ҫɾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD>\n");
	printf("<EFBFBD><EFBFBD>%d<><64>\n",i+1);
	printf("<EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>\n");
	printf("%s\n", problem[i].title);
	printf("  A:%s\n", problem[i].a);
	printf("  B:%s\n", problem[i].b);
	printf("  C:%s\n", problem[i].c);
	printf("  D:%s\n", problem[i].d);
	printf("<EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>%c\n", problem[i].answer);
	printf("\n<EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD>ɾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>  Y/N\n");
	chi = getchar();
	getchar();
	if(chi=='N'||chi=='n'){
		printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>:(\n");
		system("pause");
		return; 
	}
	for(;i<t;i++){
		problem[i]=problem[i+1];
	}
	t--;
	printf("ɾ<EFBFBD><EFBFBD><EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> :)\n\n");
	system("pause");
} 
void alter(){//<2F>޸<EFBFBD><DEB8><EFBFBD>Ŀ 
	int i;
	char chi;
	printf("\n<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>޸ĵ<EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD>ı<EFBFBD><EFBFBD>ţ<EFBFBD> ");
	scanf("%d", &i);
	i = i - 1;
	getchar();
	printf("\n<EFBFBD><EFBFBD>Ҫ<EFBFBD>޸ĵ<EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD> \n");
	printf("\nNo.%d\n", i + 1);
	printf("Title:\n");
	printf("%s\n", problem[i].title);
	printf("  A:%s\n", problem[i].a);
	printf("  B:%s\n", problem[i].b);
	printf("  C:%s\n", problem[i].c);
	printf("  D:%s\n", problem[i].d);
	printf("<EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>%c\n", problem[i].answer);
	printf("\n<EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD><EFBFBD>޸ĸ<EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>  Y/N\n");
	chi = getchar();
	getchar();
	if(chi == 'N' || chi == 'n')
	{
		printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><EFBFBD>˵<EFBFBD>ҳ<EFBFBD><EFBFBD> :)\n\n");
		system("pause");
		return;
	}
	printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>\n"); 
	gets(problem[i].title);
	printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Aѡ<EFBFBD>\n");
	gets(problem[i].a);
	printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Bѡ<EFBFBD>\n");
	gets(problem[i].b);
	printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Cѡ<EFBFBD>\n");
	gets(problem[i].c);
	printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Dѡ<EFBFBD>\n");
	gets(problem[i].d);
	printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷѡ<EFBFBD>\n");
	problem[i].answer = getchar();
	printf("<EFBFBD>޸ijɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD> :)\n\n");
	system("pause"); 
}
float pinfen(char key,char ch){
	if(key==ch){
		return 10.0;
	}
	else 
	return 0.0;
}
void chengji(){//ð<><C3B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
	STU temp;
	float sum=0;
	printf("*<2A><><EFBFBD><EFBFBD>   ѧ<><D1A7>    <20>ɼ<EFBFBD>\n");
	for(int i=0;i<a;i++){
		for(int j=i+1;j<a;j++){
			if(stu[i].total<stu[j].total){
				temp=stu[j];
				stu[j]=stu[i];
				stu[i]=temp;	
			}
		}
	}	
	for(int i=0;i<a;i++){
		printf("%s       %03d     %.2f    \n ",stu[i].name,stu[i].num,stu[i].total);
		sum+=stu[i].total;
	}		
	printf("****ƽ<><C6BD><EFBFBD><EFBFBD>Ϊ%.2f\n",sum/a);	
}