Submission #431847

#	Time	Username	Problem	Language	Result	Execution time	Memory
431847		muhammad_hokimiyon	Boxes with souvenirs (IOI15_boxes)	C++14	10 / 100	1 ms	204 KiB

boxes

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

#define fi first
#define se second
#define ll long long
#define dl double

using namespace std;

ll delivery(int N, int K, int L, int P[])
{
        vector<ll> d(N + 1, 1e18);
        d[0] = 0;
        vector<ll> p(N + 1, 0);
        for(int i = 1; i <= N; i++)p[i] = P[i - 1];
        sort(p.begin(), p.end());
        auto go = [&](int i, int j) -> ll{
                ll res = 1e18;
                res = abs(p[i] - p[j]);
                return min(res, L - res);
        };
        for(int i = 1; i <= N; i++){
                for(int j = max(1, i - K + 1); j >= 1; j--){
                        if(i - j + 1 > K)break;
                        long long cost = L;
                        cost = min(cost, p[i] * 2);
                        cost = min(cost, (L - p[j]) * 2);
                        d[i] = min(d[i], d[j - 1] + cost);
                }
        }
        return d[N];
}

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:18:14: warning: variable 'go' set but not used [-Wunused-but-set-variable]
   18 |         auto go = [&](int i, int j) -> ll{
      |              ^~

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