Compilare: user.cpp: In function ‘int main()’: user.cpp:19:33: warning: format ‘%s’ expects argument of type ‘char*’, but argument 4 has type ‘char (*)[10000004]’ [-Wformat=] scanf("%lld%lld %s",&a,&b,&s); ^ user.cpp:17:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("jstc.in","r",stdin); ^ user.cpp:18:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("jstc.out","w",stdout); ^ user.cpp:19:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld %s",&a,&b,&s); ^