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@ -1,25 +1,33 @@
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#include<stdlib.h>
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#include<stdlib.h>//控制台背景颜色//
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#include<stdio.h>
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#include<math.h>
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int main()
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{
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int zf,a,b,c,i,j,n,count,sum=0;
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srand(time(NULL));
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printf("测验现在开始,请认真答题\n");
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printf("测验现在开始,请认真答题,准备好后请按任意键开始出题\n");
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system("color f4");
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system("pause");
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for(i=1;i<=10;i++)
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{
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count=10;//每题的分数//
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a=rand()%26;//产生一个0到25的数//
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b=rand()%26;
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if(a<b)
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a=rand()%51;//产生一个0到50的数//
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b=rand()%51;
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if(a<b)
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{
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c=a;
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a=b;
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b=c;
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}//a一定要比b大,这样无论加法还是减法都不会有负数出现//
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zf=rand()%2;//产生0或1的随机数//
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if(a+b>50)
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{
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i--;
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continue;
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}
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printf("第%d题",i);
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zf=rand()%2;//产生0或1的随机数//
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if(zf==0)//为0则执行加法//
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{
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{
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printf("%d+%d=",a,b);
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scanf("%d",&n);
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for(j=3;j>=2;j--)
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@ -28,9 +36,9 @@ int main()
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break;
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else
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{
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printf("重新输入\n");
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printf("你答错了,再给你%d次机会\n",(j-1));
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scanf("%d",&n);
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count=count-j;
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count=count-j;//第一次做错减3分,第二次做错减2分//
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if(n==a+b)
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break;
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}
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@ -38,7 +46,7 @@ int main()
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if(j==1)
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{
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count=0;
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printf("%d\n",a+b);
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printf("没有机会了,正确答案是%d\n",a+b);
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}//执行了三次的话分数为0//
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}
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else//执行减法//
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@ -51,9 +59,9 @@ int main()
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break;
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else
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{
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printf("重新输入");
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printf("你答错了,再给你%d次机会\n",(j-1));
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scanf("%d",&n);
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count=count-j;//第一次减3第二次减2//
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count=count-j;//第一次做错减3分,第二次做错减2分//
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if(n==a-b)
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break;
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}
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@ -61,22 +69,22 @@ int main()
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if(j==1)
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{
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count=0;
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printf("%d\n",a-b);
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}
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printf("没有机会了,正确答案是%d\n",a-b);
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}//执行了三次的话分数为0//
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}
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sum+=count;//加上每题的分数//
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}
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printf("你的分数是%d\n",sum);
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if(sum>90)
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printf("SMART");
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printf("你的等级是SMART\n");
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else if(sum>80)
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printf("GOOD");
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printf("你的等级是GOOD\n");
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else if(sum>70)
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printf("OK");
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printf("你的等级是OK\n");
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else if(sum>60)
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printf("PASS");
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printf("你的等级是PASS\n");
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else
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printf("TRY AGAIN");
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printf("你的等级是TRY AGAIN\n");
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printf("考试结束\n");
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return 0;
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}
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