제출 #1123666

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1123666		math_rabbit_1028	나일강 (IOI24_nile)	C++20	0 / 100	33 ms	4796 KiB

nile

#include "nile.h"
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;

vector<ll> calculate_costs(vector<int> W, vector<int> A, vector<int> B, vector<int> E) {
    int Q = (int)E.size();
    int N = (int)W.size();

    ll sum = 0;
    for (int i = 0; i < N; i++) sum += A[i];
    vector<ll> R(Q, sum);
    vector<pll> C;
    for (int i = 0; i < N; i++) C.push_back({W[i], A[i]-B[i]});
    sort(C.begin(), C.end());

    for (int t = 0; t < Q; t++) {
        ll D = E[t];
        ll st = 0;
        while (st < N) {
            for (int i = st+1; i <= N; i++) {
                if (i == N || C[i].first - C[i-1].first > D) {
                    R[t] -= (i-st)/2;
                    st = i;
                    break;
                }
            }
        }
    }

    return R;
}

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