Compilare: user.cpp: In function ‘void DFS(int, int)’: user.cpp:36:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < A[nod].size (); ++i) ^ user.cpp: In function ‘void RMQ_build()’: user.cpp:107:55: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] for (j = 1, n = _s - (1 << i) + 1, l = 1 << i - 1; j <= n; ++j) ^ user.cpp: In function ‘int query(int, int)’: user.cpp:122:17: warning: unused variable ‘k’ [-Wunused-variable] int mx = 0, k; ^ user.cpp: In function ‘int main()’: user.cpp:173:36: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘bool*’ [-Wformat=] scanf ("%d%d%d", &t, &a, &b); ^