Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:28:10: error: ‘i’ was not declared in this scope for (i=1;i<=N;i++) ^ user.cpp:28:17: error: ‘N’ was not declared in this scope for (i=1;i<=N;i++) ^ user.cpp:36:15: error: ‘dv’ was not declared in this scope int k=dv[i].size(); ^ user.cpp:25:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sprim.in","r",stdin); ^ user.cpp:26:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sprim.out","w",stdout); ^ user.cpp:27:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^