Submission #1216920

#TimeUsernameProblemLanguageResultExecution timeMemory
1216920takoshanavaBoxes with souvenirs (IOI15_boxes)C++20
Compilation error
0 ms0 KiB
#include "boxes.h"
#include <bits/stdc++.h>
using namespace std;

const int INF = 1e9;

int delivery(int N, int K, int L, int pos[]) {
    auto cw  = [&](int a, int b){ return (b - a + L) % L; };
    auto ccw = [&](int a, int b){ return (a - b + L) % L; };

    sort(pos, pos + N, [&](int a, int b) {
        return cw(0, a) < cw(0, b);
    });

    vector<vector<int>> cost(N, vector<int>(N, INF));
    for (int i = 0; i < N; i++) {
        int far1 = 0, far2 = 0;
        for (int j = i; j < N && j - i + 1 <= K; j++) {
            far1  = max(far1,  cw(0, pos[j]));
            cost[i][j] = min(cost[i][j], 2 * far1);

            far2 = max(far2, ccw(0, pos[j]));
            cost[i][j] = min(cost[i][j], 2 * far2);

            if (j - i + 1 == K) {
                cost[i][j] = min(cost[i][j], L);
            }
        }
    }

    vector<int> dp(N+1, INF);
    dp[0] = 0;
    for (int i = 1; i <= N; i++) {
        for (int j = max(0, i - K); j < i; j++) {
            dp[i] = min(dp[i], dp[j] + cost[j][i-1]);
        }
    }

    return dp[N];
}

Compilation message (stderr)

boxes.cpp:7:5: error: ambiguating new declaration of 'int delivery(int, int, int, int*)'
    7 | int delivery(int N, int K, int L, int pos[]) {
      |     ^~~~~~~~
In file included from boxes.cpp:1:
boxes.h:4:11: note: old declaration 'long long int delivery(int, int, int, int*)'
    4 | long long delivery(int N, int K, int L, int p[]);
      |           ^~~~~~~~