Compilare: user.cpp: In function ‘int main()’: user.cpp:54:12: warning: unused variable ‘h’ [-Wunused-variable] { int m,n,h,w,t,nr,i,j,k,l,a,b; ^ user.cpp:54:14: warning: unused variable ‘w’ [-Wunused-variable] { int m,n,h,w,t,nr,i,j,k,l,a,b; ^ user.cpp:54:16: warning: unused variable ‘t’ [-Wunused-variable] { int m,n,h,w,t,nr,i,j,k,l,a,b; ^ user.cpp:54:18: warning: unused variable ‘nr’ [-Wunused-variable] { int m,n,h,w,t,nr,i,j,k,l,a,b; ^ user.cpp:54:25: warning: unused variable ‘k’ [-Wunused-variable] { int m,n,h,w,t,nr,i,j,k,l,a,b; ^ user.cpp: In function ‘void citire(int&)’: user.cpp:43:28: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] {fread(buff,1,MAX,fila); poz=0;} ^ user.cpp:49:40: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if(poz==MAX){fread(buff,1,MAX,fila);poz=0;} ^