Submission #1063979

#	Time	Username	Problem	Language	Result	Execution time	Memory
1063979		Ignut	Wiring (IOI17_wiring)	C++17	13 / 100	21 ms	3932 KiB

wiring

// Ignut

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

const ll INF = 1e18 + 123;

ll min_total_length(vector<int> r, vector<int> b) {
    int n = r.size(), m = b.size();

    sort(r.begin(), r.end());
    sort(b.begin(), b.end());
    ll res = 0;
    for (int i = 0; i < min(n, m); i ++) {
        res += b[i] - r[n - 1 - i];
    }
    for (int i = 0; i < n - m; i ++)
        res += b[0] - r[i];
    for (int i = 0; i < m - n; i ++)
        res += b[m - 1 - i] - r[n - 1];
    return res;


    ll dp[n + 1][m + 1];
    for (int i = 0; i <= n; i ++)
        for (int j = 0; j <= m; j ++)
            dp[i][j] = INF;
    dp[0][0] = 0;
    for (int i = 0; i <= n; i ++) {
        for (int j = 0; j <= m; j ++) {
            if (i < n && j > 0)
                dp[i + 1][j] = min(dp[i + 1][j], dp[i][j] + abs(r[i] - b[j - 1]));
            if (j < m && i > 0)
                dp[i][j + 1] = min(dp[i][j + 1], dp[i][j] + abs(r[i - 1] - b[j]));
            if (i < n && j < m)
                dp[i + 1][j + 1] = min(dp[i + 1][j + 1], dp[i][j] + abs(r[i] - b[j]));
        }
    }
    return dp[n][m];
}

• Subtask 1: 0 / 7
• Subtask 2: 13 / 13
• Subtask 3: 0 / 10
• Subtask 4: 0 / 25
• Subtask 5: 0 / 45