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0_0_19610059_20432.cpp:1:194: fatal error: GCC4.9.2/lib/gcc/x86_64-w64-mingw32/4.9.2/include/stdio.h>in: Invalid argument
 #include<stdio.h>int main(){    int A,B,C;    while(scanf("%d%d%d",&A,&B,&C)!=EOF)    {        double x=(double)(B+C)/(A+B+C*2);        printf("%.6lf\n",(1-x)*B-x*C);    }        return 0;}    
                                                                                                                                                                                                  ^
compilation terminated.