Compilare: user.cpp: In function ‘int main()’: user.cpp:15:29: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[10005]’ [-Wformat=] scanf( "%d\n%s", &n, &s ); ^ user.cpp:10:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen( "litere.in", "r", stdin ); ^ user.cpp:11:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen( "litere.out", "w", stdout ); ^ user.cpp:15:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%d\n%s", &n, &s ); ^