Eroare de compilare: user.cpp:9:1: error: expected ‘,’ or ‘;’ before ‘int’ int sum(int k, int n) ^ user.cpp: In function ‘int solve()’: user.cpp:26:26: error: ‘sum’ was not declared in this scope return sum(ramas, ramas);; ^ user.cpp:27:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:30:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("aurel.in", "r", stdin); ^ user.cpp:31:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("aurel.out", "w", stdout); ^