Compilare: user.cpp: In function ‘int bina(int)’: user.cpp:20:20: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] mid = low + high >> 1; ^ user.cpp:29:15: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] mid = low + high >> 1; ^ user.cpp: In function ‘int binar(int)’: user.cpp:45:19: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] mid = low + high >> 1; ^ user.cpp:50:15: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] mid = low + high >> 1; ^ user.cpp: In function ‘int binar2(int)’: user.cpp:64:19: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] mid = low + high >> 1; ^ user.cpp:69:15: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] mid = low + high >> 1; ^ user.cpp: In function ‘int main()’: user.cpp:80:15: warning: unused variable ‘j’ [-Wunused-variable] int i,j,q,a,x; ^ user.cpp:81:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cautbin.in","r",stdin); ^ user.cpp:82:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cautbin.out","w",stdout); ^ user.cpp:83:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:87:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&ar[i]); ^ user.cpp:91:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&q); ^ user.cpp:95:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&a,&x); ^