Compilare: user.cpp: In function ‘int main()’: user.cpp:14:22: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[100005]’ [-Wformat=] scanf ( "%s", &s ); ^ user.cpp:11:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ( "expresie2.in", "r", stdin ); ^ user.cpp:12:45: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ( "expresie2.out", "w", stdout ); ^ user.cpp:14:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ( "%s", &s ); ^