Compilare: user.cpp: In function ‘int main()’: user.cpp:49:23: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 2 has type ‘long long int*’ [-Wformat=] scanf ( "%ld", &k ); ^ user.cpp:53:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( long i = 0; i < s.size ( ); i++ ) { ^ user.cpp:54:61: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( long j = i, nr = 0; j < i + k && j < s.size ( ); j++ ) { ^ user.cpp:73:30: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 2 has type ‘long long int’ [-Wformat=] printf ( "\n%ld\n", m[0] ); ^