Eroare de compilare: user.cpp: In function ‘bool Check(long long int)’: user.cpp:9:25: error: ‘memcpy’ was not declared in this scope memcpy(a,b,sizeof(b)); ^ user.cpp: In function ‘int main()’: user.cpp:48:25: error: ‘memcpy’ was not declared in this scope memcpy(b,a,sizeof(a)); ^ 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("sirag.in","r",stdin); ^ user.cpp:39:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sirag.out","w",stdout); ^ user.cpp:40:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n",&n,&k); ^ user.cpp:43:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ",&a[i]); ^