Compilare: user.cpp: In function ‘int main()’: user.cpp:43:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( unsigned int i=0; i<N; ++i ) ^ user.cpp:44:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( unsigned int j=i; j<N; ++j ) ^ user.cpp:45:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( unsigned int k=i; k<N; ++k ) ^ user.cpp:9:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] #define MOD 666013 ^ user.cpp:59:35: note: in expansion of macro ‘MOD’ for ( unsigned int i=0; i<=hi%MOD; ++i ) ^ user.cpp:33:13: warning: unused variable ‘lo’ [-Wunused-variable] long x, lo=3, hi=0, s; ^