Compilare: user.cpp: In function ‘int main()’: user.cpp:24:43: warning: unused variable ‘j’ [-Wunused-variable] int n, i, s, ci, ki, rez, nr, ui, gi, j, z; ^ user.cpp:24:46: warning: unused variable ‘z’ [-Wunused-variable] int n, i, s, ci, ki, rez, nr, ui, gi, j, z; ^ user.cpp:125:26: warning: ‘gi’ may be used uninitialized in this function [-Wmaybe-uninitialized] gi-=n; ^ user.cpp:57:34: warning: ‘ui’ may be used uninitialized in this function [-Wmaybe-uninitialized] if((fr[a[ci].y].x>n && fr[a[ci].y].y>n)) ^