quanrh_666/课设第二次.c

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

int question( int i)
{
	int a,b,j,m;
	 
	for( i = i;i<100;i++ ) 
  { 
    loop:
	{
		a=rand()%51;
		b=rand()%51;//rand()%100<30><30>ʾȡ50<35><30><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		
		j=rand()%2;//j<><6A>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD>Ӽ<EFBFBD><D3BC><EFBFBD>
	}
	 if(j==0)
	 {
		 m=a+b;
		 if(m<=50)
		 {
			 printf("%d+%d=\n",a,b);
		 }
		 else
			 goto loop;
	 }

	 else
	 {
		 m=a-b;
		 if(m<=50&&m>=0)
		 {
			 printf("%d-%d=\n",a,b);
		 }
		 else
			 goto loop;

  } 
	 break;
}
	return m;
}

int main() 
{ 
	int ordinal=1;
	int modelanswer=0;
	int studentanswer=0;
	char str[20];
	int grade=0;
	int n;
	
   

    printf("\n");
    printf("============================================================\n");
	printf("====================50<35><30><EFBFBD>ڼӼ<DABC><D3BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ====================\n");
    printf("============================================================\n");
	printf("\n");

	printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD>\n");
	scanf("%s",str);
	printf("\n<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѽ<EFBFBD><EFBFBD>%sС<73><D0A1><EFBFBD>ѣ<EFBFBD><D1A3><EFBFBD>ӭ<EFBFBD><D3AD><EFBFBD><EFBFBD>50<35><30><EFBFBD>ڼӼ<DABC><D3BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<CFB5><CDB3>\n",str);
	printf("ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ᣬ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>Ӹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD>𰸡<EFBFBD>\n");
	printf("\n<EFBFBD><EFBFBD><EFBFBD>Խ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ijɼ<EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n");
	printf("\n");
	printf("======================Ҫע<D2AA><D7A2>ϸ<EFBFBD><CFB8>Ŷ~=========================\n\n");

	for(n=1;n<11;n++)
	{
	printf("\n<EFBFBD><EFBFBD>%d<><64><EFBFBD>⣺\n",n);
	modelanswer=question(n);
	
	printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>𰸣<EFBFBD>");
	scanf("%d",&studentanswer);
	if(studentanswer==modelanswer)
	{
		printf("<EFBFBD>ش<EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŷ<EFBFBD><EFBFBD>\n");
		grade=grade+10;
	}
	else
	{
		printf("<EFBFBD>ش<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ú<EFBFBD>˼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㻹<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD>ᡣ\n");
		printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>𰸣<EFBFBD>");
		scanf("%d",&studentanswer);

		if(studentanswer==modelanswer)
		{
			printf("<EFBFBD>ش<EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŷ<EFBFBD><EFBFBD>\n");
			grade=grade+7;
		}

		else
		{
			printf("<EFBFBD>ش<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ú<EFBFBD>˼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㻹<EFBFBD><EFBFBD>һ<EFBFBD>λ<EFBFBD><EFBFBD>ᡣ\n");
			printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>𰸣<EFBFBD>");
			scanf("%d",&studentanswer);

			if(studentanswer==modelanswer)
			{
				printf("<EFBFBD>ش<EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŷ<EFBFBD><EFBFBD>\n");
				grade=grade+5;
			}

			else
			{
				printf("<EFBFBD>ش<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǣ<EFBFBD>%d\n",modelanswer);
				grade=grade+0;
			}
		}
		}
	}

	return 0;
}