제출 #500239

#제출 시각아이디문제언어결과실행 시간메모리
500239sazid_alam사탕 분배 (IOI21_candies)C++17
11 / 100
432 ms8900 KiB
#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();
    vector<int> s(n, 0);
    vector<long long int> sum(n + 1, 0);

    if(n < 2005){
        for(int i = 0; i < (int)v.size(); 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;
    }
    else{
        for(int i = 0; i < (int)v.size(); i++){
            sum[l[i]] += v[i] * 1LL;
            sum[r[i] + 1] -= v[i] * 1LL;
        }

        for(int i = 1; i < n; i++) sum[i] += sum[i - 1];
        for(int i = 0; i < n; i++) c[i] = min(c[i] * 1LL, sum[i]);
        return c;
    }
}
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