考试系统

物联网204-03-曹永凯发表于2020年12月01日

#define N 5 #define M 7 #include <string.h> #include <stdio.h> #include <stdlib.h> #include<time.h>char username[16]; char password[16]; char username1[16]; char password1[16];int newStrCmp(char *str1,char *str2){  for(;(*str1!='\0'||*str2!='\0')&&(*str1==*str2);str1++,str2++);  return(*str1>*str2)?1:((*str1<*str2)?-1:0); }  /*void displayExamSheet(){  double s[N][M]={{78,82,93,74,65,},      {91,82,72,76,67,},      {100,90,85,72,98,},      {67,82,90,65,78,},      {77,88,99,45,89,}};  printf("学号\t语文\t数学\t英语\t物理\t化学\t总分\t平均分\n");  printf("=========================================");  for(int i=0;i<N;i++){   printf("No.%d\t",i+1);   for(int j=0;j<N;j++){    s[i][5]+=s[i][j];     printf("%.0f\t",s[i][j]);    }    s[i][6]=s[i][5]/N;    printf("%.0f\t%.2f",s[i][5],s[i][6]);    printf("\n");    }*/    void welcome(){  void myRegister();  system("color B0");  printf("       \n\n\n\n");  printf("                           -------------------\n\n");    printf("                           欢迎使用CYK的考试系统\n\n");    printf("                           --------------------\n\n");  _sleep(2000);  system("cls");  myRegister();  }     void myRegister(){  //system("color B0");  void login();  printf("       \n\n\n\n");  printf("                           -------------------\n\n");  printf("                           使用前请先注册账户\n\n");  printf("                           请输入您注册的用户名：\n\n");  printf("                           --------------------\n\n");  scanf("%s",username);  getchar();  printf("                           请输入您注册的密码：\n\n");  printf("                           --------------------\n\n");  scanf("%s",password);  getchar();  printf("                           --------------------\n\n");  system("cls");  login(); } void login(){  //system("color B0");  void examine();  printf("                           -------------------\n\n");   printf("                           请您登录账户\n\n");   printf("                           请输入您的用户名：\n\n");   printf("                           --------------------\n\n");   scanf("%s",username1);   getchar();   printf("                           请输入您的密码：\n\n");   printf("                           --------------------\n\n");   scanf("%s",password1);   getchar();   printf("                           --------------------\n\n");  if(!strcmp(username,username1)&&!strcmp(password,password1)){   system("cls");      printf("您已成功登录本系统\n\n\n");      examine();    }else{    printf("您输入的用户名或密码有误，请重新输入！\n");    } } void examine(){  system ("color f0");  char exam[N][7][100]={{"关于C语言的变量名，以下叙述正确的是(  )。",         "A.变量名不可以与关键字同名",         "B.变量名不可以与预定义标识符同名",         "C.变量名必须以字母开头",         "D.变量名是没有长度限制的",         "A",         " ",        },        {"(多选）下面谁最好看(  )。",         "A.权志龙",         "B.吴彦祖",         "C.张飞",         "D.关羽",         "ABCD",         " ",        },        {"阿拉斯加有几个品种(  )。",         "A.1",         "B.2",         "C.3",         "D.4",         "C",         " ",        },        {"红太狼的老公叫什么(  )。",         "A.灰太狼",         "B.喜羊羊",         "C.黑大帅",         "D.蕉太狼",         "A",         " ",        },        {"国庆在几月几号(  )。",         "A.10.11",         "B.01.10",         "C.10.01",         "D.10.10",         "C",         " ",        },       };    int score=0;     for(int i=0;i<N;i++){    printf("%d、%s\n",i+1,exam[i][0]);    printf("%s\n",exam[i][1]);    printf("%s\n",exam[i][2]);    printf("%s\n",exam[i][3]);    printf("%s\n",exam[i][4]);    printf("请输入您的选择：\n");    scanf("%s",exam[i][6]);   if(!strcmp(exam[i][5],exam[i][6])){     score+=20;     printf("恭喜您答对了，继续做下一道题吧！\n");    }else{    printf("真遗憾答错了，继续努力\n");    }    _sleep(2000);    system("cls");   }   printf("您的分数为：%d\n",score); }int main(int argc, char *argv[]){   welcome();   //displayExamSheet();   return 0; }

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