Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:24:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( uap[v[j]] == j && v[j] > v[i] ) ^ user.cpp:26:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( lmax < dp[j] ) ^ user.cpp:31:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if ( lmax == dp[j] ) ^ user.cpp:44:38: error: ‘u’ was not declared in this scope if( dp[i] == dp[pmax] && u[v[i]] == i) ^