Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:6:20: error: ‘n’ was not declared in this scope for(int i=1;i<=n;++i){ ^ user.cpp:7:21: error: ‘v’ was not declared in this scope scanf("%d",&v[i],&f[i]); ^ user.cpp:7:27: error: ‘f’ was not declared in this scope scanf("%d",&v[i],&f[i]); ^ user.cpp:4:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("turnuri2.in","r",stdin); ^ user.cpp:5:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("turnuri2.out","w",stdout); ^