Compilare: user.cpp: In function ‘int main()’: user.cpp:43:21: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[100002]’ [-Wformat=] scanf ("%s",&sir); ^ user.cpp:75:17: warning: statement has no effect [-Wunused-value] ones==0; ^ user.cpp:40:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("blis.in","r",stdin); ^ user.cpp:41:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("blis.out","w",stdout); ^ user.cpp:42:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%lld",&k); ^ user.cpp:43:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%s",&sir); ^