Compilare: user.cpp: In function ‘int main()’: user.cpp:20:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(a[k][j]<a[i][j] and a[i][k]<a[i][j]) ^ user.cpp:10:20: warning: unused variable ‘l’ [-Wunused-variable] int i,j,nr=1,k,l; ^ user.cpp:18:23: warning: ‘pozj’ may be used uninitialized in this function [-Wmaybe-uninitialized] int maxim=0,pozi,pozj; ^ user.cpp:18:18: warning: ‘pozi’ may be used uninitialized in this function [-Wmaybe-uninitialized] int maxim=0,pozi,pozj; ^