Compilare: user.cpp: In function ‘int main()’: user.cpp:138:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(p1>=p2) ^ user.cpp:145:5: warning: ‘maxi’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(maxi<=p3) ^ user.cpp:146:20: warning: ‘l2’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(a[l1][l2]>a[1][m-n+1]) ^ user.cpp:146:20: warning: ‘l1’ may be used uninitialized in this function [-Wmaybe-uninitialized]