Submission #416493

#	Time	Username	Problem	Language	Result	Execution time	Memory
416493		arvindr9	Wiring (IOI17_wiring)	C++14	20 / 100	44 ms	3120 KiB

wiring

#include <bits/stdc++.h>

using namespace std;

#define pi pair<int, int>
#define pb push_back
#define mp make_pair
#define eb emplace_back
#define f first
#define s second

typedef long long ll;
const ll inf = 1e18;

ll min_total_length(vector<int> r, vector<int> b) {
    int n = r.size();
    int m = b.size();
    sort(r.begin(), r.end());
    sort(b.begin(), b.end());
    if (n <= 200 and m <= 200) {
        vector<vector<ll>> dp(n, vector<ll>(m, inf));
        ll curcost = 0;
        for (int i = 0; i < m; i++) {
            curcost += abs(r[0] - b[i]);
            dp[0][i] = curcost;
        }
        for (int i = 1; i < n; i++) {
            for (int j = 0; j < m; j++) {
                dp[i][j] = min(dp[i][j], abs(r[i] - b[j]) + dp[i-1][j]);
                curcost = abs(r[i] - b[j]);
                for (int k = j - 1; k >= 0; k--) {
                    dp[i][j] = min(dp[i][j], curcost + dp[i-1][k]);
                    curcost += abs(r[i] - b[k]);
                }
            }
        }
        return dp[n-1][m-1];
    }
    int mn = min(n, m);
    ll ans = 0;
    for (int i = 0; i < mn; i++) {
        ans += (b[i] - r[n - 1 - i]);
    }
    for (int i = mn; i < max(n, m); i++) {
        if (i < m) ans += (b[i] - r[n - 1]);
        else ans += (b[0] - r[n - 1 - i]);
    }
    return ans;
}

// int main() {
//     ios::sync_with_stdio(0);
//     cin.tie(0);
//     return 0;
// }

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