Submission #800670

#	Time	Username	Problem	Language	Result	Execution time	Memory
800670		BERNARB01	Rail (IOI14_rail)	C++17	30 / 100	45 ms	516 KiB

rail

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

using namespace std;

#ifdef B01
#include "../deb.h"
#else
#define deb(...)
#endif

void findLocation(int n, int p, int location[], int stype[]) {
  vector<int> d(n);
  for (int i = 1; i < n; i++) {
    d[i] = getDistance(0, i);
  }
  int to = (int) (min_element(d.begin() + 1, d.end()) - d.begin());
  vector<int> dd(n);
  dd[0] = d[to];
  for (int i = 1; i < n; i++) {
    if (i == to) {
      continue;
    }
    dd[i] = getDistance(to, i);
  }
  location[0] = p;
  stype[0] = 1;
  location[to] = p + d[to];
  stype[to] = 2;
  for (int i = 1; i < n; i++) {
    if (i == to) {
      continue;
    }
    if (dd[i] == dd[0] + d[i]) {
      location[i] = p + d[i];
      stype[i] = 2;
    } else {
      location[i] = location[to] - dd[i];
      stype[i] = 1;
    }
  }
}

• Subtask 1: 8 / 8
• Subtask 2: 22 / 22
• Subtask 3: 0 / 26
• Subtask 4: 0 / 44