Compilare: main.cpp: In function 'int main()': main.cpp:57:13: warning: unused variable 'x' [-Wunused-variable] int i,j,x; ^ main.cpp:100:26: warning: 'max_j' may be used uninitialized in this function [-Wmaybe-uninitialized] while (d[max_i][max_j] != 1) ~~~~~~~~~~~~~~^ main.cpp:100:26: warning: 'max_i' may be used uninitialized in this function [-Wmaybe-uninitialized]