Submission #814133

#	Time	Username	Problem	Language	Result	Execution time	Memory
814133		LittleCube	Distributing Candies (IOI21_candies)	C++17	11 / 100	97 ms	8256 KiB

candies

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

vector<int> distribute_candies(vector<int> c, vector<int> l,
                               vector<int> r, vector<int> v)
{
    int n = c.size(), q = l.size();
    if (q <= 2000)
    {
        vector<int> s(n, 0);
        for (int i = 0; i < q; i++)
        {
            for (int j = l[i]; j <= r[i]; j++)
                s[j] = max(0, min(c[j], s[j] + v[i]));
        }
        return s;
    }
    else
    {
        vector<ll> s(n + 1);
        for (int i = 0; i < q; i++)
            s[l[i]] += v[i], s[r[i] + 1] -= v[i];
        for (int i = 1; i <= n; i++)
            s[i] += s[i - 1];
        for (int i = 0; i < n; i++)
            c[i] = min((ll)c[i], s[i]);
        return c;
    }
    return {};
}

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