Compilare: user.cpp: In function ‘int main()’: user.cpp:17:9: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if(n&1==1) ^ user.cpp:27:18: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if(v1&1==1) ^ user.cpp:29:22: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if(v2&1==1) ^ user.cpp:42:29: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] while (v1>1) { if(v1&1==1) { ++put[0]; put[put[0]]=1; v1/=2; }else { ++put[0]; put[put[0]]=0; v1=v1/2; } } ^ user.cpp:43:29: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] while (v2>1) { if(v2&1==1) { ++put[0]; put[put[0]]=1; v2/=2; }else { ++put[0]; put[put[0]]=0; v2=v2/2; } } ^ user.cpp:11:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("algebra2.in","r",stdin); ^ user.cpp:12:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("algebra2.out","w",stdout); ^ user.cpp:14:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&n); ^