Submission #1060971

#	Time	Username	Problem	Language	Result	Execution time	Memory
1060971		vjudge1	Wiring (IOI17_wiring)	C++17	13 / 100	18 ms	3264 KiB

wiring

#include<bits/stdc++.h>

using namespace std;

typedef long long ll;

ll min_total_length(vector<int> r, vector<int> b)
{
  long long ans = 0;
  if(b.size() < r.size()) swap(r, b);

  for(int i = r.size() - 1; i > 0; i--)
    {
      ans += abs(b.back() - r[i]);
      b.pop_back();

      while(b.size() > i && abs(b.back() - r[i - 1]) > abs(b.back() - r[i]))
	ans += abs(b.back() - r[i]), b.pop_back();
    }
  for(int i : b) ans += abs(r[0] - i);
  return ans;
}
/*
int main()
{
  int n, m;
  cin >> n >> m;
  vector<int> a(n), b(m);
  for(int i = 0; i < n; i ++) cin >> a[i];
  for(int i = 0; i < m ; i ++) cin >> b[i];

  cout << min_total_length(a, b);
  return 0;
}
// */

Compilation message (stderr)

wiring.cpp: In function 'll min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:17:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   17 |       while(b.size() > i && abs(b.back() - r[i - 1]) > abs(b.back() - r[i]))
      |             ~~~~~~~~~^~~

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