Compilare: user.cpp: In function ‘int main()’: user.cpp:25:51: warning: unused variable ‘x’ [-Wunused-variable] int t,n,v,l1,l2,c1,c2,niv,l,c,con,lvl,lin,col,x,aux,i,j; ^ user.cpp:28:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d%d" ,&t,&n,&v); ^