Submission #722687

#	Time	Username	Problem	Language	Result	Execution time	Memory
722687		Mr_Husanboy	Distributing Candies (IOI21_candies)	C++17	29 / 100	125 ms	16084 KiB

candies

#include "candies.h"
#include <bits/stdc++.h>

using namespace std;
using ll = long long;
template<typename T>
int len(T &a){
    return a.size();
}

const ll infl = 1e8;

#include <vector>

vector<int> distribute_candies(vector<int> c, vector<int> l,
                                    vector<int> r, vector<int> v) {
    int n = c.size();
    int m = len(v);
    vector<ll> suf(m + 1), mx(m + 1), mn(m + 1);
    mx[m] = 0, mn[m] = 0;
    for(int i = m - 1; i >= 0; i --){
        suf[i] = suf[i + 1] - v[i];
        mx[i] = max(mx[i + 1], suf[i]);
        mn[i] = min(mn[i + 1], suf[i]);
    }
    for(int i = 0; i < n; i ++){
        int l = 0, r = m;
        while(l <= r){
            int mid = (l + r) >> 1;
            if(mx[mid] - mn[mid] >= c[i]){
                l = mid + 1;
            }else r = mid - 1;
        }
        r ++;
        if(r == 0 || v[r - 1] < 0){
            c[i] = -mn[r];
        }else{
            c[i] = c[i] - mx[r];
        }
    }
    //for(auto u : suf) cout << u << ' ';cout << endl;
    return c;
}

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