Compilare: user.cpp: In function ‘void solve(long long int)’: user.cpp:13:35: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] if (x%2==1) {printf("%d 0\n",x);} ^ user.cpp: In function ‘int main()’: user.cpp:52:16: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] while(k<x & k*2>0) k=k*2; ^ user.cpp:38:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("taste.in","r",stdin); ^ user.cpp:39:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("taste.out","w",stdout); ^ user.cpp:40:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld %lld",&x,&y); ^