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View Compilation Error

0_0_33388983_5401.cpp: In function 'int main()':
0_0_33388983_5401.cpp:6:929: error: expected '}' at end of input
 struct data{    char x[50],y[50];}a[1005];struct hh{    int num1,num2;    char h[50];}aa[1005]; int main(){    int n;    while(~scanf("%d",&n)&&n!=0)    {        char b[50],bb[50];       memset(a,0,sizeof(a));       memset(aa,0,sizeof(aa));        int t=0;       for(int i=0;i<n;i++)       {           scanf("%s%s",b,bb);           int flag=1,flag1=1,flag2=1;           for(int j=0;j<i;j++)            if(strcmp(b,a[j].x)==0&&strcmp(bb,a[j].y)==0)           {flag=0;break;}           if(flag==0)continue;           for(int j=0;j<t;j++)           {               if(strcmp(aa[j].h,b)==0)               flag1=0,aa[j].num1++;               if(strcmp(aa[j].h,bb)==0)               flag2=0,aa[j].num2++;           }           if(flag1==1)           strcpy(aa[t].h,b),aa[t++].num1++;           if(flag2==1)           strcpy(aa[t].h,bb),aa[t++].num2++;       }       int s=0;       for(int i=0;i<t;i++)        if(aa[i].num2==0)        {              // cout<<aa[i].h<<' '<<aa[i].num1<<' '<<aa[i].num2<<endl;               s++;        }      if(s==1)printf("Yes\n");       else printf("No\n");     }return 0;}
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 ^
0_0_33388983_5401.cpp:6:929: error: expected '}' at end of input
0_0_33388983_5401.cpp:6:929: error: expected '}' at end of input


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