Compilare: user.cpp: In function ‘void solve(int)’: user.cpp:30:23: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] else if(n & (n-1) == 0){ ^ user.cpp: In function ‘void init()’: user.cpp:13:22: warning: iteration 16u invokes undefined behavior [-Waggressive-loop-optimizations] v[i] = 2*v[i-1]; ^ user.cpp:12:5: note: containing loop for(int i = 1 ; i < 117 ; i++) ^ user.cpp: In function ‘int main()’: user.cpp:13:22: warning: iteration 16u invokes undefined behavior [-Waggressive-loop-optimizations] v[i] = 2*v[i-1]; ^ user.cpp:12:5: note: containing loop for(int i = 1 ; i < 117 ; i++) ^