Submission #1081960

#	Time	Username	Problem	Language	Result	Execution time	Memory
1081960		raphael_heuchl	Boxes with souvenirs (IOI15_boxes)	C++14	10 / 100	2 ms	348 KiB

boxes

#include "boxes.h"
#include <vector>
#include <algorithm>
#include <map>
#include <iostream>
#define INF 1'000'000'000'000'000'000

std::vector<long long> people;
long long n, l, k;
long long dist(long long curr)
{
    return std::min(l - people[curr], people[curr]);
}

long long dp[1005];
long long delivery(int N, int K, int L, int p[])
{
    n = N, k = K, l = L;
    people.push_back(0);
    for (int i = 0; i < N; ++i)
        people.push_back(p[i]);
    std::sort(people.begin(), people.end());

    for (int j = K-1; j >= 0; --j)
        dp[j] = dist(N);

    for (int i = N-1; i >= 0; --i)
    {
        int var = dp[K-1];
        for (int j = K-1; j >= 0; --j)
        {
            long long optionA = j ? std::abs(people[i] - people[i + 1]) + dp[j-1] : INF;
            long long optionB = dist(i) + dist(i+1) + var;
            dp[j] = std::min(optionA, optionB);
        }
    }

    return dp[K - 1];
}

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:29:25: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   29 |         int var = dp[K-1];
      |                   ~~~~~~^

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