Eroare de compilare: user.cpp:5:8: error: expected constructor, destructor, or type conversion before ‘(’ token freopen("ecuatii2.in","r",stdin); ^ user.cpp:6:8: error: expected constructor, destructor, or type conversion before ‘(’ token freopen("ecuatii2.out","w",stdout); ^ user.cpp: In function ‘int main()’: user.cpp:12:1: error: ‘f’ was not declared in this scope f>>n; ^ user.cpp:33:47: error: cannot convert ‘const char*’ to ‘FILE* {aka _IO_FILE*}’ for argument ‘1’ to ‘int fprintf(FILE*, const char*, ...)’ if(sx!=0) fprintf("%.4f\n",double(suma/sx)); ^ user.cpp:11:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] {scanf("%d",&n); ^ user.cpp:14:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { scanf("%s",s);lg=strlen(s); ^