Compilare: user.cpp:1:0: warning: ignoring #pragma option [-Wunknown-pragmas] #pragma option -O2 ^ user.cpp: In function ‘void cit()’: user.cpp:36:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:38:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a[i]); ^ user.cpp: In function ‘int main()’: user.cpp:106:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("prieteni.in","r",stdin); ^ user.cpp:107:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("prieteni.out","w",stdout); ^