Compilare: main.cpp: In function 'int main()': main.cpp:6:23: warning: unused variable 'm' [-Wunused-variable] int a[100][100],n,m,i,j,k,psus[100][100],pst[100][100],nr,w,l1,l2,c1,c2,q,maxi; ^ main.cpp:44:46: warning: 'c2' may be used uninitialized in this function [-Wmaybe-uninitialized] if(w==3) g<<l1<<" "<<c1<<" "<<l2<<" "<<c2; ^ main.cpp:44:30: warning: 'c1' may be used uninitialized in this function [-Wmaybe-uninitialized] if(w==3) g<<l1<<" "<<c1<<" "<<l2<<" "<<c2; ^~~ main.cpp:44:39: warning: 'l2' may be used uninitialized in this function [-Wmaybe-uninitialized] if(w==3) g<<l1<<" "<<c1<<" "<<l2<<" "<<c2; ^~~ main.cpp:44:21: warning: 'l1' may be used uninitialized in this function [-Wmaybe-uninitialized] if(w==3) g<<l1<<" "<<c1<<" "<<l2<<" "<<c2; ^~~