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0_0_16094612_11153.cpp:1:191: 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 n; int sum;    while(scanf("%d",&n)!=EOF)  //eof notice {  //涓�瀹氳杩欎箞绠�  if(n%2==0)   sum=n/2*(1+n);  else   sum = (1+n)/2*n;  printf("%d
                                                                                                                                                                                               ^
compilation terminated.