Submission #528605

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
528605	2022-02-20 17:37:32	Alex_tz307	Gap (APIO16_gap)	C++17	100 / 100	75 ms	1952 KiB

gap

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
long long findGap(int t, int n) {
  if (t == 1) {
    vector<long long> a(n + 1);
    long long l = 0, r = 1e18L;
    for (int i = 1; i <= (n + 1) / 2; ++i) {
      MinMax(l, r, &a[i], &a[n - i + 1]);
      l = a[i] + 1, r = a[n - i + 1] - 1;
    }
    long long ans = 0;
    for (int i = 2; i <= n; ++i) {
      ans = max(ans, a[i] - a[i - 1]);
    }
    return ans;
  }
  long long first, last;
  MinMax(0, 1e18L, &first, &last);
  long long buck = (last - first) / (n - 1), ans = 0, prv = first;
  for (long long i = first + 1; i <= last; i += buck + 1) {
    long long x, y;
    MinMax(i, i + buck, &x, &y);
    if (x != -1) {
      ans = max(ans, x - prv);
      prv = y;
    }
  }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

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