Submission #1239550

#	Time	Username	Problem	Language	Result	Execution time	Memory
1239550		poat	Distributing Candies (IOI21_candies)	C++17	0 / 100	5091 ms	8004 KiB

candies

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

vector<int> distribute_candies(vector<int> c, vector<int> l, vector<int> r, vector<int> v) {
    
    bool fl = 0;
    for(auto i : v)
    {
        if(i < 0)
            fl = 1;
    }

    
    int n = c.size(), Q = l.size();
    vector<int> s(n);

    if(fl)
    {
        for(int it = 0; it < Q; it++)
        {
            for(int i = l[it]; i <= r[it]; i++)
            {
                s[i] += v[it];
                
                s[i] = max(0, s[i]);
                s[i] = min(c[i], s[i]);
            }
        }
    }

    else
    {
        int pref[n + 5] = {};
        for(int it = 0; it < Q; it++)
        {
            pref[l[it]] += v[it];
            pref[r[it] + 1] -= v[it];
        }
        for(int i = 0; i < n; i++)
        {
            pref[i] += (i == 0 ? 0 : pref[i - 1]);
            s[i] += pref[i];
            
            s[i] = max(0, s[i]);
            s[i] = min(c[i], s[i]);
        }
    }

    return s;
}

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