Compilare: user.cpp: In function ‘void radixsort()’: user.cpp:37:36: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] ind[((V[i].val)>>shift)&mask]++; ^ user.cpp:42:41: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] Vaux[ind[((V[i].val)>>shift)&mask]--]=V[i]; ^ user.cpp: In function ‘int main()’: user.cpp:78:20: warning: ‘sy’ may be used uninitialized in this function [-Wmaybe-uninitialized] while (B[sx][sy]!=0) ^ user.cpp:78:20: warning: ‘sx’ may be used uninitialized in this function [-Wmaybe-uninitialized]