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1 int a = 0;
2 a = 3.1415926+3??
3 cout<<a<<endl;
4
5 ?????????

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void fun()
 {
     unsigned int a = 2013;
     int b = -2;
     int c = 0;
     while (a + b > 0)
     {
         a = a + b;
         c++;
     }
     printf("%d"?? c);
 }

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