#line 1 "test/util/RangeIndex.test.cpp" #define PROBLEM "https://yukicoder.me/problems/no/1170" #include #include #include #include #include using namespace std; /* * @title RangeIndex - 区間index * @docs md/util/RangeIndex.md */ class RangeIndex{ int length; public: RangeIndex(const int N) { for (length = 1; length <= N; length *= 2); } //[l,r) vector range(int l,int r) { vector res; for(l += length, r += length; l < r; l >>=1, r >>=1) { if(l&1) res.push_back(l++); if(r&1) res.push_back(--r); } return res; } // ranges that include x vector include_range(int x) { vector res; for(int i=x+length; i; i >>= 1) res.push_back(i); return res; } inline int operator[](int idx) { return idx+length; } inline size_t size(void){ return 2*length; } }; /* * @title UnionFindTree - Union Find 木 * @docs md/graph/UnionFindTree.md */ class UnionFindTree { vector parent,maxi,mini; inline int root(int n) { return (parent[n]<0?n:parent[n] = root(parent[n])); } public: UnionFindTree(int N = 1) : parent(N,-1),maxi(N),mini(N){ iota(maxi.begin(),maxi.end(),0); iota(mini.begin(),mini.end(),0); } inline bool connected(int n, int m) { return root(n) == root(m); } inline void merge(int n, int m) { n = root(n); m = root(m); if (n == m) return; if(parent[n]>parent[m]) swap(n, m); parent[n] += parent[m]; parent[m] = n; maxi[n] = std::max(maxi[n],maxi[m]); mini[n] = std::min(mini[n],mini[m]); } inline int min(int n) { return mini[root(n)]; } inline int max(int n) { return maxi[root(n)]; } inline int size(int n){ return (-parent[root(n)]); } inline int operator[](int n) { return root(n); } inline void print() { for(int i = 0; i < parent.size(); ++i) cout << root(i) << " "; cout << endl; } }; int main() { cin.tie(0);ios::sync_with_stdio(false); long long N,A,B; cin >> N >> A >> B; vector X(N); for(int i = 0; i < N; ++i) cin >> X[i]; X.push_back(1e10); RangeIndex ri(N); UnionFindTree uf(ri.size()); vector st(ri.size(),0); for(int i = 0; i < N; ++i) { int l = lower_bound(X.begin(),X.end(),X[i]+A)-X.begin(); int r = upper_bound(X.begin(),X.end(),X[i]+B)-X.begin(); for(auto& e:ri.range(l,r)) { st[e]=1; uf.merge(ri[i],e); } } for(int i = 0; i < N; ++i) { for(auto& e:ri.include_range(i)) if(st[e]) uf.merge(ri[i],e); } vector cnt(ri.size(),0); for(int i = 0; i < N; ++i) { cnt[uf[ri[i]]]++; } for(int i = 0; i < N; ++i) { cout << cnt[uf[ri[i]]] << endl; } return 0; }