Compilare: user.cpp: In function ‘void caut_binar(int)’: user.cpp:25:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (x==n) ^ user.cpp:28:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (x<n) ^ user.cpp:30:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (x>n) dr=mid-1;} ^ user.cpp:33:27: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long unsigned int’ [-Wformat=] printf ("%d", mid-fix(mid)); ^ user.cpp: In function ‘int main()’: user.cpp:39:7: warning: unused variable ‘i’ [-Wunused-variable] int n,i; ^ user.cpp:37:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] {freopen ("fact.in", "r", stdin); ^ 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 ("fact.out", "w", stdout); ^ user.cpp:40:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &n); ^