Compilare: user.cpp: In function ‘int main()’: user.cpp:82:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&k); ^ user.cpp:86:41: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&v[i].h,&v[i].c); ^ user.cpp: In function ‘int verif(int)’: user.cpp:40:13: warning: ‘nr’ may be used uninitialized in this function [-Wmaybe-uninitialized] int p,u,nr; ^