1、单项选择题标准化考试系统设计C语言实训单项选择题标准化考试系统设计(C语言实训)#include #include #include #include#includestruct testchar ask500;/选择题题目char answer1100; char answer2100; char answer3100; char answer4100;char da100; int title100;/随机抽题char right10; m1000; void menu()printf( *单项选择题标准化考试系统*n);printf( * printf(Continue?(1 Yes 0
2、 No):); scanf(%d,&choice); getchar(); if(choice=0) break; else if(choice=1) printf(请输入第%d道题题目，题干和选项:n,i+1); printf(请输入题目:); gets(mi.ask); printf(请输入选项A:); gets(mi.answer1); printf(请输入选项B:); gets(mi.answer2); printf(请输入选项C:); gets(mi.answer3); printf(请输入选项D:); gets(mi.answer4); printf(请输入答案:); scanf(
3、%c,&mi.right); cnt+; if(count!=cnt) printf(n题目输入成功：); else printf(n未输入记录！); return cnt;void list(int cnt) int i; printf(开始显示所有题目.); printf(n当前文件夹中所有记录显示如下：nn); for(i=0;icnt) printf(您抽取的题目超过了题目总数); else for(i=1;i=n;i+) here:x=rand()%n; titlei=x; for(j=0;ji;j+) if(titlei=titlej) goto here; printf( =n)
4、; printf(输出抽取到的第%d题目,i); printf(:%sn,mx.ask); printf(A:%sn,mx.answer1); printf(B:%sn,mx.answer2); printf(C:%sn,mx.answer3); printf(D:%sn,mx.answer4); printf(请输入你的答案：); scanf(%s,mx.da); printf( =n); printf(答题成功，按任意键返回主菜单.); void ask(int cnt) int i,n; int count=0; printf(请输入已经答题的数目：); scanf(%d,&n); fo
5、r(i=0;icnt;i+) if(!strcmp(mi.da,mi.right) count+; printf(你答对的总题数是%dn,count); printf(你最后的得分为%d,(100/n)*count); system(pause);int main() FILE * fp; int i=0,count=0,select; fp=fopen(tiku.txt,a+); if(fp=NULL) printf(File open error!n); exit(0); while(!feof(fp) if(fread(&mi,sizeof(struct test),1,fp)=1) i
6、+; count+; fclose(fp); while(1) printf(当前文件夹总共有%d条记录.n,count); menu(); printf(请输入你的选择：); scanf(%d,&select); switch(select) case 1: count=input(count);break; case 2: list(count);break; case 3: rande(count);break; case 4: ask(count);break; case 5: fp=fopen(tiku.txt,w); printf(开始保存文件，按任意键继续.); getchar(); getchar(); for(i=0;icount;i+) fwrite(&mi,sizeof(struct test),1,fp); fclose(fp); printf(n文件保存成功，按任意键退出系统.); getchar(); exit(0); default:printf(输入错误，请重新输入.);
