結果
問題 | No.1234 典型RMQ |
ユーザー | yuto1115 |
提出日時 | 2020-09-18 21:48:09 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 94 ms / 2,000 ms |
コード長 | 5,348 bytes |
コンパイル時間 | 1,868 ms |
コンパイル使用メモリ | 202,820 KB |
最終ジャッジ日時 | 2025-01-14 16:56:35 |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 27 |
ソースコード
//@formatter:off #include<bits/stdc++.h> #define rep(i,n) for (int i = 0; i < int(n); ++i) #define rrep(i,n) for (int i = int(n)-1; i >= 0; i--) #define rep2(i,s,n) for (int i = int(s); i < int(n); ++i) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define pb push_back #define eb emplace_back #define vi vector<int> #define vvi vector<vector<int>> #define vl vector<ll> #define vvl vector<vector<ll>> #define vd vector<double> #define vvd vector<vector<double>> #define vs vector<string> #define vc vector<char> #define vvc vector<vector<char>> #define vb vector<bool> #define vvb vector<vector<bool>> #define vp vector<P> #define vvp vector<vector<P>> using namespace std; using ll = long long; using P = pair<int,int>; using LP = pair<ll,ll>; template<class S,class T> istream& operator>>(istream &is,pair<S,T> &p) { return is >> p.first >> p.second; } template<class S,class T> ostream& operator<<(ostream &os,const pair<S,T> &p) { return os<<'{'<<p.first<<","<<p.second<<'}'; } template<class T> istream& operator>>(istream &is,vector<T> &v) { for(T &t:v){is>>t;} return is; } template<class T> ostream& operator<<(ostream &os,const vector<T> &v) { os<<'[';rep(i,v.size())os<<v[i]<<(i==int(v.size()-1)?"":","); return os<<']'; } void Yes(bool b) { cout << (b ? "Yes" : "No") << '\n'; } void YES(bool b) { cout << (b ? "YES" : "NO") << '\n'; } template<class T> bool chmin(T& a,T b) {if(a > b){a = b; return true;} return false;} template<class T> bool chmax(T& a,T b) {if(a < b){a = b; return true;} return false;} const int inf = 1001001001; const ll linf = 1001001001001001001; //@formatter:on template<class Node> class lazy_segtree { using V = typename Node::value_structure; using VT = typename V::value_type; using O = typename Node::operate_structure; using OT = typename O::value_type; int n; vector<Node> tree; void propagate(int k, int l, int r) { // if (tree[k].op.value == O::identity) return; if (k < n) { tree[k * 2].op.value = O::operate(tree[k * 2].op.value, tree[k].op.value); tree[k * 2 + 1].op = O::operate(tree[k * 2 + 1].op.value, tree[k].op.value); } OT ot = O::duplicate(tree[k].op.value, r - l); tree[k].value.value = Node::operate(tree[k].value.value, ot); tree[k].op.value = O::identity; } public: VT get(int i) { return Node::operate(tree[i].value.value, tree[i].op.value); } lazy_segtree(int _n, vector<VT> init = vector<VT>()) { n = 1; while (n < _n) n *= 2; tree.assign(n * 2, Node{V::identity, O::identity}); if (init.size()) rep(i, _n) tree[i + n].value.value = init[i]; rrep(i, n) tree[i].value.value = V::operate(tree[i * 2].value.value, tree[i * 2 + 1].value.value); } void update(int a, int b, OT x, int k = 1, int l = 0, int r = -1) { if (r == -1) r = n; propagate(k, l, r); if (a <= l && r <= b) { tree[k].op.value = O::operate(tree[k].op.value, x); propagate(k, l, r); } else if (a < r && l < b) { update(a, b, x, k * 2, l, (l + r) / 2); update(a, b, x, k * 2 + 1, (l + r) / 2, r); tree[k].value.value = V::operate(tree[k * 2].value.value, tree[k * 2 + 1].value.value); } } // segment [a,b) VT fold(int a, int b, int k = 1, int l = 0, int r = -1) { if (r == -1) r = n; propagate(k, l, r); if (b <= l || r <= a) return V::identity; if (a <= l && r <= b) return tree[k].value.value; VT lt = fold(a, b, k * 2, l, (l + r) / 2); VT rt = fold(a, b, k * 2 + 1, (l + r) / 2, r); return V::operate(lt, rt); } }; class Value_structure { public: using value_type = ll; value_type value; Value_structure(value_type value) : value(value) {} static constexpr value_type identity = linf; static constexpr value_type operate(const value_type &l, const value_type &r) { return min(l, r); } }; class Operate_structure { public: using value_type = int; value_type value; Operate_structure(value_type value) : value(value) {} static constexpr value_type identity = 0; static constexpr value_type operate(const value_type &l, const value_type &r) { return l + r; } static constexpr value_type duplicate(const value_type &v, int len) { return v; } }; class Node { public: using value_structure = Value_structure; using operate_structure = Operate_structure; value_structure value; operate_structure op; private: using V = value_structure::value_type; using O = operate_structure::value_type; public: Node(V value, O op) : value(value), op(op) {} static constexpr V operate(const V &l, const O &r) { return l + r; } }; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); int n; cin >> n; vl a(n); cin >> a; lazy_segtree<Node> st(n, a); int q; cin >> q; while (q--) { int k, l, r, c; cin >> k >> l >> r >> c; l--; r--; if (k == 1) { st.update(l, r + 1, c); } else { cout << st.fold(l, r + 1) << '\n'; } } }