Submission #389179

#	Time	Username	Problem	Language	Result	Execution time	Memory
389179		MilosMilutinovic	Wiring (IOI17_wiring)	C++14	7 / 100	30 ms	3756 KiB

wiring

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

using namespace std;

long long min_total_length(vector<int> a, vector<int> b) {
    int n = (int) a.size(), m = (int) b.size();
    if (n <= 200 && m <= 200) {
        const long long inf = 1e17;
        vector<vector<long long>> dp(n + 1, vector<long long>(m + 1, inf));
        dp[0][0] = 0;
        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= m; j++) {
                dp[i][j] = min({dp[i - 1][j], dp[i][j - 1], dp[i - 1][j - 1]}) + abs(a[i - 1] - b[j - 1]);
            }
        }
        return dp[n][m];
    }
    if (a[n - 1] < b[0]) {
        long long ans = 0;
        for (int i = 0; i < n - 1; i++) ans += (a[i + 1] - a[i]);
        for (int i = 0; i < m - 1; i++) ans += (b[i + 1] - b[i]);
        ans += (long long) (b[0] - a[n - 1]) * max(n, m);
        return ans;
    }
}

Compilation message (stderr)

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:26:1: warning: control reaches end of non-void function [-Wreturn-type]
   26 | }
      | ^

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