Submission #106116

#	Time	Username	Problem	Language	Result	Execution time	Memory
106116		Hideo	Boxes with souvenirs (IOI15_boxes)	C++14	10 / 100	4 ms	384 KiB

boxes

#include <bits/stdc++.h>
//#include "grader.cpp"
#include "boxes.h"

using namespace std;

#define ll long long
#define pb push_back
#define mk make_pair
#define fr first
#define sc second
#define vi vector < int >
#define vl vector < ll >
#define pi pair < int, int >
#define pii pair < int, pi >
#define vii vector < pi >

const int MAXN = 1e7 + 7;
const ll INF = 1e18 + 7;

ll pr[MAXN], sf[MAXN];
ll ans;

long long delivery(int N, int K, int L, int p[]) {
    for (int i = 0; i < K; i++){
        for (int j = 0; i + j * K < N; j++){
            if (j)
                pr[i + j * K] = pr[i + (j - 1) * K] + p[i + j * K] + min(p[i + j * K], L - p[i + j * K]);
            else
                pr[i + j * K] = p[i + j * K] + min(p[i + j * K], L - p[i + j * K]);
        }
    }
    for (int i = N - 1; i >= 0; i--){
        for (int j = 0; i - j * K >= 0; j++){
            if (j)
                sf[i - j * K] = sf[i - (j - 1) * K] + L - p[i - j * K] + min(p[i - j * K], L - p[i - j * K]);
            else
                sf[i - j * K] = L - p[i - j * K] + min(p[i - j * K], L - p[i - j * K]);
        }
    }
    ans = sf[0];
    for (int i = 0; i < N; i++)
        ans = min(ans, pr[i] + sf[i + 1]);
    return ans;
}

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