Compilare: user.cpp: In function ‘int main()’: user.cpp:15:23: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if ((x>>j)&1==1)printf("%d ",a[j+1]); ^ user.cpp:15:48: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] if ((x>>j)&1==1)printf("%d ",a[j+1]); ^ user.cpp:6:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("submultimi.in","r",stdin); ^ user.cpp:7:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("submultimi.out","w",stdout); ^ user.cpp:8:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&n); ^