Submission #344042

#	Time	Username	Problem	Language	Result	Execution time	Memory
344042		milleniumEeee	Gap (APIO16_gap)	C++17	30 / 100	47 ms	2028 KiB

gap

#include "gap.h"
//#include "grader.cpp"
#include <bits/stdc++.h>
#define ll long long
using namespace std;
 
//MinMax(long long s, long long t, long long *mn, long long *mx)
 
const ll INF = (ll)1e18;
const int MAXN = (int)1e5 + 5;
 
ll a[MAXN];
 
long long findGap(int type, int n)
{
  ll mn, mx;
  MinMax(0, INF, &mn, &mx);
  int l = 1, r = n;
  a[l] = mn;
  a[r] = mx;
  while (r - l - 1 >= 2) {
    MinMax(mn + 1, mx - 1, &mn, &mx);
    a[++l] = mn;
    a[--r] = mx;
  }
  if (r - l + 1 == 3) {
    MinMax(mn + 1, mx - 1, &mn, &mx);
    a[l + 1] = mn;
  }
  ll ans = 0;
  for (int i = 1; i < n; i++) {
    ans = max(ans, a[i + 1] - a[i]);
  }
  return ans;
}

• Subtask 1: 30 / 30
• Subtask 2: 0 / 70