Compilare: main.cpp: In function 'int main()': main.cpp:35:24: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses] if(S ^ val != 0) ~~~~^~~~ main.cpp:36:33: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] p = i, x = V[i] - V[i] ^ val; ~~~~~^~~~~~ main.cpp:38:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << N - p + 1 << " " << x << '\n'; ^~~~ main.cpp:38:19: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << N - p + 1 << " " << x << '\n'; ~~^~~