Submission #391911

#	Time	Username	Problem	Language	Result	Execution time	Memory
391911		MilosMilutinovic	Wiring (IOI17_wiring)	C++14	20 / 100	29 ms	3788 KiB

wiring

/**
 *    author:  milos
 *    created: 20.04.2021 07:58:08       
**/
#include <bits/stdc++.h>
#include "wiring.h"
 
using namespace std;

long long min_total_length(vector<int> r, vector<int> b) {
  int n = (int) r.size(), m = (int) b.size();
  if (n <= 200 && m <= 200) {
    const long long inf = 1e18;
    vector<vector<long long>> dp(n + 1, vector<long long>(m + 1, inf));
    dp[0][0] = 0LL;
    for (int i = 1; i <= n; i++) {
      for (int j = 1; j <= m; j++) {
        dp[i][j] = min({dp[i - 1][j - 1], dp[i - 1][j], dp[i][j - 1]}) + abs(r[i - 1] - b[j - 1]);
      }
    }
    return dp[n][m];  
  }
  if (r[n - 1] < b[0]) {
    if (n < m) {
      long long ans = 0;
      for (int i = 0; i < n; i++) {
        ans += b[i] - r[i];
      }
      for (int i = n; i < m; i++) {
        ans += b[i] - r[n - 1];
      }
      return ans;
    } else {
      long long ans = 0;
      for (int i = 0; i < m; i++) {
        ans += b[i] - r[n - m + i];    
      }                     
      for (int i = 0; i < n - m; i++) {
        ans += b[0] - r[i];
      }
      return ans;
    }
  }
}

Compilation message (stderr)

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:44:1: warning: control reaches end of non-void function [-Wreturn-type]
   44 | }
      | ^

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