Compilare: user.cpp: In function ‘int main()’: user.cpp:28:13: warning: suggest parentheses around ‘+’ in operand of ‘&’ [-Wparentheses] if (A[i]+A[j]&1==1) continue; ^ user.cpp:30:15: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] medie=A[i]+A[j]>>1; ^ user.cpp:14:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("medie.in","r",stdin); ^ user.cpp:15:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("medie.out","w",stdout); ^ user.cpp:17:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&N); ^ user.cpp:21:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&A[i]); ^