제출 #1120900

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1120900		SalihSahin	선물상자 (IOI15_boxes)	C++14	0 / 100	2 ms	336 KiB

boxes

#include <bits/stdc++.h>
#define pb push_back
using namespace std;
#include "boxes.h"

const long long inf = 1e17;

long long delivery(int N, int K, int L, int p[]) {
    vector<int> pos;
    for(int i = 0; i < N; i++){
        pos.pb(p[i]);
    }

    vector<int> dpl(N+1), dpr(N+1);
    for(int i = 1; i <= N; i++){
        if(i < K) dpl[i] = pos[i-1] * 2;
        else dpl[i] = dpl[i - K] + pos[i-1] * 2;
    }

    for(int i = 1; i <= N; i++){
        if(i < K) dpr[i] = (L - pos[N-i]) * 2;
        else dpr[i] = dpr[i - K] + (L - pos[N-i]) * 2;
    }

    long long ans = inf;
    for(int l = 0; l <= N; l++){
        for(int r = 0; r <= N-l; r++){
            int rem = N - l - r;
            long long calc = dpl[l] + dpr[r] + ((rem + K - 1)/K) * L;
            //cout<<"l = "<<lop[l].first<<" "<<lop[l].second<<" r = "<<rop[r].first<<" "<<rop[r].second<<" calc = "<<calc<<endl;
            ans = min(ans, calc);
        }
    }

    return ans;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30