Compilare: user.cpp: In function ‘int main()’: user.cpp:58:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("puteri35.in", "rt", stdin); ^ user.cpp:59:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("puteri35.out", "wt", stdout); ^ user.cpp:60:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp: In function ‘LL dp5(int)’: user.cpp:55:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘LL dp3(int)’: user.cpp:30:1: warning: control reaches end of non-void function [-Wreturn-type] } ^