Submission #596122

#	Time	Username	Problem	Language	Result	Execution time	Memory
596122		SuhaibSawalha1	Distributing Candies (IOI21_candies)	C++17	0 / 100	225 ms	13044 KiB

candies

#include "candies.h"
#include <bits/stdc++.h>
#include <vector>
using namespace std;

const int N = 2e5;
int n, seg[4 * N], lazy[4 * N], MX;

#define mid (L + R) / 2

void pull (int idx, int v) {
  seg[idx] = min(MX, seg[idx] + v);
  lazy[idx] = min(MX, lazy[idx] + v);
}

void push_down (int idx) {
  pull(2 * idx, lazy[idx]);
  pull(2 * idx + 1, lazy[idx]);
  lazy[idx] = 0;
}

void update (int st, int en, int v, int idx = 1, int L = 0, int R = n - 1) {
  if (L > en || R < st) {
    return;
  }
  if (L >= st && R <= en) {
    return pull(idx, v);
  }
  push_down(idx);
  update(st, en, v, 2 * idx, L, mid);
  update(st, en, v, 2 * idx + 1, mid + 1, R);
}

int query (int st, int idx = 1, int L = 0, int R = n - 1) {
  if (L == R) {
    return seg[idx];
  }
  push_down(idx);
  if (st <= mid) return query(st, 2 * idx, L, mid);
  return query(st, 2 * idx + 1, mid + 1, R);
}

vector<int> distribute_candies(vector<int> c, vector<int> l, vector<int> r, vector<int> v) {
  MX = c[0];
  n = c.size();
  int q = l.size();
  vector<int> a(n);
  vector<long long> b(n + 1);
  for (int qs = 0; qs < q; ++qs) {
    update(l[qs], r[qs], v[qs]);
  }
  for (int i = 0; i < n; ++i) {
    a[i] = query(i);
  }
  return a;
}

• Subtask 1: 0 / 3
• Subtask 2: 0 / 8
• Subtask 3: 0 / 27
• Subtask 4: 0 / 29
• Subtask 5: 0 / 33