Compilare: user.cpp: In function ‘int main()’: user.cpp:15:25: warning: unused variable ‘x’ [-Wunused-variable] long long t,n,m,i,q,x,po,mi,sl,su; ^ user.cpp:13:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("prietenie3.in","r",stdin); ^ user.cpp:14:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("prietenie3.out","w",stdout); ^