Compilare: user.cpp: In function ‘int main()’: user.cpp:22:11: warning: unused variable ‘fin’ [-Wunused-variable] FILE *fin,*fout; ^ user.cpp:22:16: warning: unused variable ‘fout’ [-Wunused-variable] FILE *fin,*fout; ^ user.cpp:23:21: warning: variable ‘p’ set but not used [-Wunused-but-set-variable] int n,m,i,j,min,p,k; ^ user.cpp:24:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lacusta.in","r",stdin); ^ user.cpp:25:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lacusta.out","w",stdout); ^