Submission #587246

#	Time	Username	Problem	Language	Result	Execution time	Memory
587246		jakubd	Distributing Candies (IOI21_candies)	C++17	3 / 100	85 ms	21076 KiB

candies

#include "candies.h"

#include <bits/stdc++.h>

using namespace std;

vector<int> distribute_candies(vector<int> c, vector<int> l, vector<int> r, vector<int> v) {
  int n = c.size(), q = (int)l.size();
  vector<int> s;

  if (n <= 2000 && q <= 2000) {
    s.resize(n);

    for (int i = 0; i < q; i++) {
      for (int j = l[i]; j <= r[i]; j++) {
        s[j] += v[i];

        if (s[j] < 0) s[j] = 0;
        if (s[j] > c[j]) s[j] = c[j];
      }
    }
  } else {
    vector<long long> pr(n + 1);

    for (int i = 0; i < q; i++) {
      pr[l[i]] += (long long) v[i];
      pr[r[i] + 1] -= (long long) v[i];
    }

    for (int i = 0; i < n; i++) pr[i + 1] += pr[i];

    for (int i = 0; i < n; i++) {
      s[i] = c[i] < pr[i] ? c[i] : pr[i + 1];
    }
  }

  return s;
}

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