Submission #803138

#	Time	Username	Problem	Language	Result	Execution time	Memory
803138		vjudge1	Distributing Candies (IOI21_candies)	C++17	11 / 100	82 ms	9276 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 = l.size();
    if((long long)n*q < 5000000) {
        vector<int> s(n);
        for(int i = 0; i < q; i++)
            for(int j = l[i]; j <= r[i]; j++)
                if(v[i]>0)
                    s[j] = min(c[j], s[j]+v[i]);
                else
                    s[j] = max(0, s[j]+v[i]);
        return s;
    }
    vector<long long> s(n+1);
    for(int i = 0; i < q; i++)
        s[l[i]]+=v[i], s[r[i]+1]-=v[i];
    partial_sum(s.begin(), s.end(), s.begin());
    s.pop_back();
    vector<int> s2;
    for(int i = 0; i < n; i++)
        s2.push_back(min(s[i], (long long)c[i]));
    return s2;
}

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