Compilare: main.cpp: In function 'int main()': main.cpp:13:30: warning: integer overflow in expression [-Woverflow] int n,x,y,difmax=((1<<31)-1),xx,yy; ~~~~~~~^~ main.cpp:11:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("2numere.in","r",stdin); ^ main.cpp:12:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("2numere.out","w",stdout); ^ main.cpp:14:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:16:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v1[i]); ^ main.cpp:18:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v2[i]); ^ main.cpp:43:15: warning: 'yy' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<yy<<'\n'; ^~~~ main.cpp:42:15: warning: 'xx' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<xx<<'\n'; ^~~~