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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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int sjfu()
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{ srand( (unsigned)time( NULL ));
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return rand()%2;
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}
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int main()
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{
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char a[]={'+','-'};
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int b,c,d,t,i,j,f,su=0;
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int daan,fenshu=0;
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printf("--------------------------------------------------------------\n");
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printf("\n\t<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>10<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD>\n\t<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ż<EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><EFBFBD><EFBFBD>Ŷ<EFBFBD><EFBFBD>\n\n");
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printf("--------------------------------------------------------------\n\n");
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for(i=0;i<10;i++)
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{
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srand( (unsigned)time( NULL ));
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b=rand()%51;
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c=rand()%51;
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d=sjfu();
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if(b<c)
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{ t=b;b=c;c=t;}
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switch(a[d])
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{
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case '+':{daan=b+c;break;}
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case '-':{daan=b-c;break;}
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} //<2F>ó<EFBFBD><C3B3><EFBFBD>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD>
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if(daan>50)
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{ i-=1;continue;} //<2F>ж<EFBFBD><D0B6><EFBFBD>ʽ<EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA>
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su=i;
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printf("<EFBFBD><EFBFBD>%d<><64>\n",su+1);
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printf("\t%d%c%d=?\n\n",b,a[d],c); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD>
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for(j=0;j<3;j++)
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{
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scanf("%d",&f);
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if(f==daan)
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break;
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else
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printf("<EFBFBD>𰸲<EFBFBD><EFBFBD><EFBFBD>Ŷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뿴\n");
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} //<2F>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>𰸣<EFBFBD><F0B0B8A3><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>ᣩ
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switch(j)
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{
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case 0:{fenshu+=10;break;}
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case 1:{fenshu+=7;break;}
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case 2:{fenshu+=5;break;}
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case 3:{fenshu+=0;printf("\n\t<EFBFBD>ܿ<EFBFBD>ϧ\n\t<EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> %d\n",daan);break;}
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} //<2F>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD>𰸣<EFBFBD><F0B0B8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>÷<EFBFBD>
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printf("\n--------------------------------------------------------------\n\n");
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}
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if(fenshu>=90)
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printf("SMART\n");
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else if(fenshu<90&&fenshu>=80)
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printf("GOOD\n");
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else if(fenshu<80&&fenshu>=70)
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printf("OK\n");
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else if(fenshu<70&&fenshu>=60)
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printf("PASS\n");
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else
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printf("TRY AGAIN\n"); //<2F>жϵȼ<CFB5>
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return 0;
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}
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