Compilare: user.cpp: In function ‘int main()’: user.cpp:9:9: warning: unused variable ‘k’ [-Wunused-variable] int k,n,i,j,max=-1,g,w,min=inf,maxi,mini=inf; ^ user.cpp:9:11: warning: unused variable ‘n’ [-Wunused-variable] int k,n,i,j,max=-1,g,w,min=inf,maxi,mini=inf; ^ user.cpp:9:17: warning: unused variable ‘max’ [-Wunused-variable] int k,n,i,j,max=-1,g,w,min=inf,maxi,mini=inf; ^ user.cpp:9:28: warning: unused variable ‘min’ [-Wunused-variable] int k,n,i,j,max=-1,g,w,min=inf,maxi,mini=inf; ^ user.cpp:7:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("energii.in","r",stdin); ^ user.cpp:8:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("energii.out","w",stdout); ^ user.cpp:10:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&g); ^ user.cpp:11:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&w); ^ user.cpp:14:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&ce[i],&cg[i]); ^ user.cpp:31:17: warning: ‘maxi’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(i=w;i<=w+maxi;i++) ^