제출 #569705

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
569705		SSRS	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++14	64 / 100	3075 ms	105832 KiB

sortbooks

#include <bits/stdc++.h>
using namespace std;
const long long INF1 = 1000000000000;
const long long INF2 = 100000000000000;
//RAQ+RMQ
struct lazy_segment_tree{
  int N;
  vector<long long> ST, lazy;
  lazy_segment_tree(vector<long long> &A){
    int N2 = A.size();
    N = 1;
    while (N < N2){
      N *= 2;
    }
    ST = vector<long long>(N * 2 - 1, -INF2);
    for (int i = 0; i < N2; i++){
      ST[N - 1 + i] = A[i];
    }
    for (int i = N - 2; i >= 0; i--){
      ST[i] = max(ST[i * 2 + 1], ST[i * 2 + 2]);
    }
    lazy = vector<long long>(N * 2 - 1, 0);
  }
  void eval(int i){
    if (i < N - 1){
      lazy[i * 2 + 1] += lazy[i];
      lazy[i * 2 + 2] += lazy[i];
    }
    ST[i] += lazy[i];
    lazy[i] = 0;
  }
  void range_add(int L, int R, long long x, int i, int l, int r){
    eval(i);
    if (r <= L || R <= l){
    } else if (L <= l && r <= R){
      lazy[i] += x;
      eval(i);
    } else {
      int m = (l + r) / 2;
      range_add(L, R, x, i * 2 + 1, l, m);
      range_add(L, R, x, i * 2 + 2, m, r);
      ST[i] = max(ST[i * 2 + 1], ST[i * 2 + 2]);
    }
  }
  void range_add(int L, int R, long long x){
    range_add(L, R, x, 0, 0, N);
  }
  long long range_max(int L, int R, int i, int l, int r){
    eval(i);
    if (r <= L || R <= l){
      return -INF2;
    } else if (L <= l && r <= R){
      return ST[i];
    } else {
      int m = (l + r) / 2;
      return max(range_max(L, R, i * 2 + 1, l, m), range_max(L, R, i * 2 + 2, m, r));
    }
  }
  long long range_max(int L, int R){
    return range_max(L, R, 0, 0, N);
  }
};
int main(){
  int N, M;
  cin >> N >> M;
  vector<long long> w(N);
  for (int i = 0; i < N; i++){
    cin >> w[i];
  }
  vector<int> l(M), r(M);
  vector<long long> k(M);
  for (int i = 0; i < M; i++){
    cin >> l[i] >> r[i] >> k[i];
    l[i]--;
  }
  vector<vector<int>> query(N);
  for (int i = 0; i < M; i++){
    query[l[i]].push_back(i);
  }
  lazy_segment_tree ST(w);
  stack<int> st;
  st.push(N);
  vector<long long> mx(M, 0);
  for (int i = N - 1; i >= 0; i--){
    while (st.top() != N){
      int p = st.top();
      if (w[i] <= w[p]){
        break;
      }
      st.pop();
      int q = st.top();
      ST.range_add(p, p + 1, INF1);
      ST.range_add(p + 1, q, -w[p]);
    }
    int p = st.top();
    ST.range_add(i, i + 1, -INF1);
    ST.range_add(i + 1, p, w[i]);
    st.push(i);
    for (int j : query[i]){
      mx[j] = ST.range_max(i, r[j]);
    }
  }
  for (int i = 0; i < M; i++){
    if (mx[i] <= k[i]){
      cout << 1 << endl;
    } else {
      cout << 0 << endl;
    }
  }
}

• Subtask 1: 8 / 8
• Subtask 2: 9 / 9
• Subtask 3: 0 / 13
• Subtask 4: 17 / 17
• Subtask 5: 30 / 30
• Subtask 6: 0 / 23