제출 #721023

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
721023		drdilyor	사탕 분배 (IOI21_candies)	C++17	3 / 100	5061 ms	8144 KiB

candies

#include <bits/stdc++.h>
#ifdef ONPC
    #include "t_debug.cpp"
#else
    #define debug(...) 42
#endif
using namespace std;
//namespace pbds = __gnu_pbds;
using ll = long long;
const int inf = 1e9;
const ll infl = 1e18;
const int RANDOM = chrono::high_resolution_clock::now().time_since_epoch().count();
mt19937 rng(RANDOM);
template<typename T, typename U> istream& operator>>(istream& is, pair<T, U>& p) { return is >> p.first >> p.second; }
template<typename Cont> int sz(const Cont& cont) { return int(cont.size()); }
const string fileio = "";
constexpr int tests = 1, nmax = 2e5, nlog = __lg(nmax), mod = 1e9+7;

vector<int> distribute_candies(vector<int> c, vector<int> l, vector<int> r, vector<int> v) {
    int n = sz(c), q = sz(l);
 
    vector<int> res(n), real(n + 1);
    for (int i = 0; i < q; i++) {
        real[l[i]] += v[i];
        real[r[i]+1] -= v[i];
    }
    for (int i = 1; i < n; i++)
        real[i] += real[i-1];
 
    for (int i = 0; i < n; i++) {
 
        int cur = real[i], low = cur, high = cur;
        for (int j = q-1; j >= 0; j--) {
            if (!(l[j] <= i && i <= r[j])) continue;
            cur -= v[j];
            low = min(low, cur);
            high = max(high, cur);
            if (high - low >= c[i]) {
                if (cur == high)
                    res[i] = real[i] - low;
                else
                    res[i] = c[i] - (high - real[i]);
                break;
            }
        }
        if (high - low < c[i]) {
            res[i] = real[i] - low;
        }
    }
    return res;
}
/*
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*/

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