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void printNode ( TestNode p , int n ) //输出第n道题题目
{
printf ( " (%d) " , n ) ;
printf ( " %s \n " , p . subject ) ;
printf ( " A.%s " , p . option1 ) ;
printf ( " B.%s \n " , p . option2 ) ;
printf ( " C.%s " , p . option3 ) ;
printf ( " D.%s " , p . option4 ) ;
printf ( " \n " ) ;
}
Status Match ( TestNode p , char m ) //判断m是否为p题目的答案, 若是返回1, 否则返回0
{
if ( m = = p . result )
return 1 ;
else return 0 ;
}
void answer ( int sum ) //开始答题
{
int i , score = 0 , num ;
char r ;
for ( i = 1 ; i < = sum ; i + + )
{
num = rand ( ) % sum ; //随机选题
printNode ( Testquestions [ num ] , i ) ;
printf ( " \n 请输入答案: " ) ;
scanf ( " %c " , & r ) ;
getchar ( ) ;
if ( Match ( Testquestions [ num ] , r ) ) //调用Match函数判断是否为题目的答案
{
printf ( " \n 答案正确! \n " ) ;
printf ( " \n " ) ;
score + + ;
}
else printf ( " \n 答案错误! \n " ) ;
printf ( " \n " ) ;
}
printf ( " \n 你的总成绩为:%d \n " , score ) ; //输出你的成绩
}