Compilare: user.cpp: In function ‘int main()’: user.cpp:11:28: warning: variable ‘sch’ set but not used [-Wunused-but-set-variable] int n,m,i,j,ok,sol,mom,sch,k,mini,is,js,s,smax; ^ user.cpp:11:32: warning: unused variable ‘k’ [-Wunused-variable] int n,m,i,j,ok,sol,mom,sch,k,mini,is,js,s,smax; ^ user.cpp:11:45: warning: unused variable ‘s’ [-Wunused-variable] int n,m,i,j,ok,sol,mom,sch,k,mini,is,js,s,smax; ^ user.cpp:12:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d",&n,&m); ^ user.cpp:16:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&a[i][j]); ^ user.cpp:47:65: warning: ‘js’ may be used uninitialized in this function [-Wmaybe-uninitialized] a[is][js]=a[is+1][js+1]=a[is+1][js]=a[is][js+1]=mini; ^ user.cpp:47:65: warning: ‘is’ may be used uninitialized in this function [-Wmaybe-uninitialized]