Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:22:41: error: ‘x’ was not declared in this scope freopen("valuare.out", "w", stdout);x ^ user.cpp:23:5: error: expected ‘;’ before ‘long’ long long b,x=0; ^ user.cpp:25:21: error: ‘b’ was not declared in this scope scanf("%lld%d",&b,&mod); ^ user.cpp:21:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("valuare.in", "r", stdin); ^ user.cpp:22:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("valuare.out", "w", stdout);x ^