Submission #35700

# Submission time Handle Problem Language Result Execution time Memory
35700 2017-11-28T10:46:22 Z funcsr Gap (APIO16_gap) C++14
100 / 100
96 ms 8304 KB
#include "gap.h"
#include <iostream>
#include <vector>
#include <deque>
#include <cassert>
#include <algorithm>
#include <tuple>
#define rep(i, n) for (int i=0; i<(n); i++)
#define all(xs) xs.begin(), xs.end()
#define pb push_back
using namespace std;
typedef pair<long long, long long> P;

P query(long long s, long long t) {
  long long mn, mx;
  MinMax(s, t, &mn, &mx);
  return P(mn, mx);
}

long long findGap(int T, int N) {
  if (T == 1) {
    long long lo = 0, hi = 1000000000000000000LL;
    vector<long long> fr, br;
    rep(_, (N+1)/2) {
      long long a, b;
      tie(a, b) = query(lo, hi);
      lo = a+1, hi = b-1;
      fr.pb(a);
      if (a != b) br.pb(b);
    }
    reverse(all(br));
    for (long long x : br) fr.pb(x);
    //for (long long x: fr)cout<<x<<",";cout<<"\n";
    long long m = 0;
    rep(i, N-1) m = max(m, fr[i+1]-fr[i]);
    return m;
  }
  else {
    long long lo, hi;
    tie(lo, hi) = query(0, 1000000000000000000LL);
    // N-2 points in [lo+1, hi-1]
    long long len = (hi-1)-(lo+1)+1;
    long long base = len/(N-1), rem = len%(N-1);

    vector<long long> ps;
    ps.pb(lo);
    long long l = lo+1;
    rep(i, N-1) {
      long long r = l+base-1;
      if (i < rem) r++;
      long long a, b;
      tie(a, b) = query(l, r);
      if (a != -1) ps.pb(a), ps.pb(b);
      l = r+1;
    }
    ps.pb(hi);
    assert(is_sorted(all(ps)));
    long long m = 0;
    rep(i, (int)ps.size()-1) m = max(m, ps[i+1]-ps[i]);
    return m;
  }
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 5144 KB Output is correct
2 Correct 0 ms 5144 KB Output is correct
3 Correct 0 ms 5144 KB Output is correct
4 Correct 0 ms 5144 KB Output is correct
5 Correct 0 ms 5144 KB Output is correct
6 Correct 0 ms 5144 KB Output is correct
7 Correct 0 ms 5144 KB Output is correct
8 Correct 0 ms 5144 KB Output is correct
9 Correct 0 ms 5144 KB Output is correct
10 Correct 0 ms 5144 KB Output is correct
11 Correct 0 ms 5144 KB Output is correct
12 Correct 0 ms 5144 KB Output is correct
13 Correct 0 ms 5144 KB Output is correct
14 Correct 0 ms 5144 KB Output is correct
15 Correct 0 ms 5144 KB Output is correct
16 Correct 13 ms 5696 KB Output is correct
17 Correct 13 ms 5696 KB Output is correct
18 Correct 13 ms 5696 KB Output is correct
19 Correct 13 ms 5696 KB Output is correct
20 Correct 16 ms 5696 KB Output is correct
21 Correct 53 ms 7284 KB Output is correct
22 Correct 46 ms 7284 KB Output is correct
23 Correct 59 ms 7284 KB Output is correct
24 Correct 63 ms 7284 KB Output is correct
25 Correct 59 ms 7284 KB Output is correct
26 Correct 59 ms 7284 KB Output is correct
27 Correct 53 ms 7284 KB Output is correct
28 Correct 59 ms 7284 KB Output is correct
29 Correct 66 ms 7284 KB Output is correct
30 Correct 36 ms 7284 KB Output is correct
31 Correct 0 ms 5144 KB Output is correct
32 Correct 0 ms 5144 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 5144 KB Output is correct
2 Correct 0 ms 5144 KB Output is correct
3 Correct 0 ms 5144 KB Output is correct
4 Correct 0 ms 5144 KB Output is correct
5 Correct 0 ms 5144 KB Output is correct
6 Correct 0 ms 5144 KB Output is correct
7 Correct 0 ms 5144 KB Output is correct
8 Correct 0 ms 5144 KB Output is correct
9 Correct 0 ms 5144 KB Output is correct
10 Correct 0 ms 5144 KB Output is correct
11 Correct 0 ms 5144 KB Output is correct
12 Correct 0 ms 5144 KB Output is correct
13 Correct 0 ms 5144 KB Output is correct
14 Correct 0 ms 5144 KB Output is correct
15 Correct 0 ms 5288 KB Output is correct
16 Correct 16 ms 5616 KB Output is correct
17 Correct 9 ms 5616 KB Output is correct
18 Correct 23 ms 5616 KB Output is correct
19 Correct 16 ms 5616 KB Output is correct
20 Correct 6 ms 5144 KB Output is correct
21 Correct 86 ms 6768 KB Output is correct
22 Correct 86 ms 6768 KB Output is correct
23 Correct 73 ms 6768 KB Output is correct
24 Correct 96 ms 6768 KB Output is correct
25 Correct 63 ms 8304 KB Output is correct
26 Correct 86 ms 6768 KB Output is correct
27 Correct 83 ms 6768 KB Output is correct
28 Correct 96 ms 6768 KB Output is correct
29 Correct 86 ms 6768 KB Output is correct
30 Correct 36 ms 5616 KB Output is correct
31 Correct 0 ms 5144 KB Output is correct
32 Correct 0 ms 5144 KB Output is correct