Compilare: user.cpp: In function ‘int main()’: user.cpp:31:46: warning: unused variable ‘j’ [-Wunused-variable] int x,y,minl,maxl,minc,maxc,i,p,dead,spr,j,dead2,st; ^ user.cpp:31:54: warning: unused variable ‘st’ [-Wunused-variable] int x,y,minl,maxl,minc,maxc,i,p,dead,spr,j,dead2,st; ^ user.cpp:33:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d\n",&p); ^