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#include<stdio.h>
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#include<stdlib.h> //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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int main() //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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{int a,b,c,i=0,j=0,num=0,k; //j<><6A><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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rule();
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while(1)
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{ a=rand()%50;
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b=rand()%50;
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c=rand();
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if(a<b)
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{ k=a;
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a=b;
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b=k;
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}
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if((a+b)>0&&(a+b)<50)
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{ num++;
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printf("NO.%d ",num);
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j=j+exam(a,b,c);
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i++;
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}
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if(i>=10)
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{ great(j);
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break;
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}
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}
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printf("==================\n");
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return 0;
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}
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int rule() //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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{ printf("===============================\n");
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printf("<EFBFBD><EFBFBD>ӭС<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD>\n");
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printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD>10<EFBFBD><EFBFBD><EFBFBD>⣬ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ᡣ\n");
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printf("<EFBFBD><EFBFBD>һ<EFBFBD>δ<EFBFBD><EFBFBD>Ե<EFBFBD>10<EFBFBD><EFBFBD>\n");
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printf("<EFBFBD>ڶ<EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD>Ե<EFBFBD>7<EFBFBD><EFBFBD>\n");
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printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD>Ե<EFBFBD>5<EFBFBD>֣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>÷<EFBFBD>.\n");
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printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뿪ʼ<EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><EFBFBD><EFBFBD>!!!\n");
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printf("================================\n");
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return 0;
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}
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int great(int n) //<2F><><EFBFBD><EFBFBD><EFBFBD>ɼ<EFBFBD><C9BC>ȼ<EFBFBD>
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{ printf("<EFBFBD><EFBFBD><EFBFBD>ijɼ<EFBFBD><EFBFBD><EFBFBD>%d<><64>\n",n);
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if(n>90)
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printf("SMATE\n");
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else if(n>=80&&n<=90)
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printf("GOOD\n");
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else if(n>=70&&n<80)
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printf("OK\n");
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else if(n>=60&&n<70)
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printf("PASS\n");
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else
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printf("TRY AGAIN\n");
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return 0;
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}
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int exam(int a,int b,int c) //<2F><><EFBFBD><EFBFBD><EFBFBD>÷<EFBFBD>
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{ int m,n,j=0,i;
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if(c%2==0)
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{ n=a-b;
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printf("%d-%d=",a,b);
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for(i=0;i<3;i++)
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{ scanf("%d",&m);
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if(n==m)
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{ if(i==0)
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j=10;
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else if(i==1)
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j=7;
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else
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j=5;
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break;
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}
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else
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{ printf(" <20>𰸴<EFBFBD><F0B0B8B4><EFBFBD>\n");
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if(i<2)
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printf(" <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:");
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if(i==2)
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printf(" <20><>ȷ<EFBFBD><C8B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>%d\n",n);
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}
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}
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}
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else if(c%2!=0)
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{ n=a+b;
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printf("%d+%d=",a,b);
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for(i=0;i<3;i++)
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{ scanf("%d",&m);
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if(m==n)
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{ if(i==0)
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j=10;
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else if(i==1)
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j=7;
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else
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j=5;
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break;
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}
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else
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{ printf(" <20>𰸴<EFBFBD><F0B0B8B4><EFBFBD>\n");
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if(i<2)
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printf(" <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:");
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if(i==2)
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printf(" <20><>ȷ<EFBFBD><C8B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>%d\n",n);
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}
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}
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}
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printf("__________________\n");
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return j;
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}
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