Compilare: user.cpp: In function ‘int main()’: user.cpp:88:15: warning: unused variable ‘k’ [-Wunused-variable] int n, m, k, i, j, l, inc1, inc2, sf1, sf2; ^ user.cpp:88:24: warning: unused variable ‘l’ [-Wunused-variable] int n, m, k, i, j, l, inc1, inc2, sf1, sf2; ^ user.cpp:88:27: warning: unused variable ‘inc1’ [-Wunused-variable] int n, m, k, i, j, l, inc1, inc2, sf1, sf2; ^ user.cpp:88:33: warning: unused variable ‘inc2’ [-Wunused-variable] int n, m, k, i, j, l, inc1, inc2, sf1, sf2; ^ user.cpp:88:39: warning: unused variable ‘sf1’ [-Wunused-variable] int n, m, k, i, j, l, inc1, inc2, sf1, sf2; ^ user.cpp:88:44: warning: unused variable ‘sf2’ [-Wunused-variable] int n, m, k, i, j, l, inc1, inc2, sf1, sf2; ^ user.cpp:136:36: warning: ‘maxj’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(b[i][j]>b[maxi][maxj]) ^ user.cpp:136:36: warning: ‘maxi’ may be used uninitialized in this function [-Wmaybe-uninitialized]