Compilare: user.cpp: In function ‘int main()’: user.cpp:28:17: warning: unused variable ‘minn’ [-Wunused-variable] int i=n,j=m,minn,aux; ^ user.cpp: In function ‘int minim(int, int)’: user.cpp:22:12: warning: ‘is’ may be used uninitialized in this function [-Wmaybe-uninitialized] return is; ^ user.cpp: In function ‘int main()’: user.cpp:36:21: warning: ‘is’ may be used uninitialized in this function [-Wmaybe-uninitialized] a[i][j]+=aux; ^