Compilare: user.cpp: In function ‘int main()’: user.cpp:78:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( dst[v] > 0 && p <= lst.size() - p - 1 ) ^ user.cpp:81:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( dst[v] >= lst.size() - p - 1 ) ^ user.cpp:85:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 1; i < lst.size() - 1; i ++ ) { ^ user.cpp:87:60: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] dst[v] + abs(p - i) < lst.size() - i - 1 && i <= lst.size() - i - 1 ) ^ user.cpp:87:87: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] dst[v] + abs(p - i) < lst.size() - i - 1 && i <= lst.size() - i - 1 ) ^