Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:17:23: error: ‘a’ was not declared in this scope scanf("%d%d",&a[i],&b[i]); ^ user.cpp:17:29: error: ‘b’ was not declared in this scope scanf("%d%d",&a[i],&b[i]); ^ user.cpp:21:5: error: ‘nr’ was not declared in this scope nr[1] = 0; ^ user.cpp:31:29: error: ‘b’ was not declared in this scope printf("%lld\n", nr[b[i]] - nr[a[i]-1]); ^ user.cpp:31:40: error: ‘a’ was not declared in this scope printf("%lld\n", nr[b[i]] - nr[a[i]-1]); ^ user.cpp:11:9: warning: unused variable ‘f’ [-Wunused-variable] int f, n,j, maxb=-1; ^ user.cpp:8:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("nrdivunique.in","r",stdin); ^ user.cpp:9:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("nrdivunique.out","w",stdout); ^ user.cpp:14:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^