Submission #1015247

# Submission time Handle Problem Language Result Execution time Memory
1015247 2024-07-06T07:57:35 Z vjudge1 Gap (APIO16_gap) C++17
30 / 100
65 ms 9040 KB
#include<bits/stdc++.h>
#include "gap.h"

using namespace std;

typedef long long ll;


ll subtask1(int N);

ll subtask2(ll s = 0, ll e = 1e18)
{
  if(s >= e) return 0;
  
  ll mid = rand() % (e - s) + s + 1;
  ll mx1, mx2, mn1, mn2;

  MinMax(s, mid, &mn1, &mx1);
  MinMax(mid + 1, e, &mn2, &mx2);
  
  if(mn2 == -1) return subtask2(mn1, mx1);
  if(mn1 == -1) return subtask2(mn2, mx2);
  return max(mn2 - mx1, max(subtask2(mn1, mx1), subtask2(mn2, mx2)));
}

ll findGap(int T, int N)
{
  srand(time(0));
  if(T == 1)
    return subtask1(N);
  return subtask2();
}

ll subtask1(int N)
{
  int i = 0, j = N - 1;
  ll s = 0, e = 1e18;
  ll *mn = new ll, *mx = new ll;

  vector<ll> v(N);
  
  while(i <= j && s <= e)
    {
      MinMax(s, e, mn, mx);
      v[i] = *mn;
      v[j] = *mx;
      i++, j--;
      s = *mn + 1;
      e = *mx - 1;
    }

  ll ans = 0;
  for(int i = 1; i < v.size(); i++)
    ans = max(ans, v[i] - v[i - 1]);
  return ans;
}

Compilation message

gap.cpp: In function 'll subtask1(int)':
gap.cpp:53:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |   for(int i = 1; i < v.size(); i++)
      |                  ~~^~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 8 ms 724 KB Output is correct
17 Correct 8 ms 856 KB Output is correct
18 Correct 6 ms 856 KB Output is correct
19 Correct 6 ms 856 KB Output is correct
20 Correct 5 ms 856 KB Output is correct
21 Correct 25 ms 1972 KB Output is correct
22 Correct 32 ms 1880 KB Output is correct
23 Correct 25 ms 1880 KB Output is correct
24 Correct 25 ms 1880 KB Output is correct
25 Correct 29 ms 1988 KB Output is correct
26 Correct 29 ms 1880 KB Output is correct
27 Correct 29 ms 1880 KB Output is correct
28 Correct 31 ms 1880 KB Output is correct
29 Correct 25 ms 1880 KB Output is correct
30 Correct 20 ms 1880 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 344 KB Partially correct
2 Partially correct 0 ms 344 KB Partially correct
3 Partially correct 0 ms 344 KB Partially correct
4 Partially correct 0 ms 444 KB Partially correct
5 Partially correct 0 ms 344 KB Partially correct
6 Partially correct 0 ms 392 KB Partially correct
7 Partially correct 0 ms 344 KB Partially correct
8 Partially correct 1 ms 344 KB Partially correct
9 Partially correct 1 ms 344 KB Partially correct
10 Runtime error 0 ms 344 KB Execution failed because the return code was nonzero
11 Partially correct 1 ms 344 KB Partially correct
12 Partially correct 2 ms 344 KB Partially correct
13 Partially correct 1 ms 344 KB Partially correct
14 Partially correct 1 ms 344 KB Partially correct
15 Partially correct 1 ms 344 KB Partially correct
16 Partially correct 14 ms 2352 KB Partially correct
17 Partially correct 14 ms 2392 KB Partially correct
18 Partially correct 14 ms 2392 KB Partially correct
19 Partially correct 14 ms 2412 KB Partially correct
20 Runtime error 2 ms 600 KB Execution failed because the return code was nonzero
21 Incorrect 59 ms 8824 KB Expected int32, but "4999824653" found
22 Incorrect 61 ms 9020 KB Expected int32, but "4999665932" found
23 Incorrect 59 ms 9036 KB Expected int32, but "4999820726" found
24 Incorrect 64 ms 8816 KB Expected int32, but "5000060017" found
25 Partially correct 57 ms 1112 KB Partially correct
26 Incorrect 65 ms 9040 KB Expected int32, but "4999802127" found
27 Incorrect 59 ms 9040 KB Expected int32, but "5000020419" found
28 Incorrect 60 ms 9040 KB Expected int32, but "4999898757" found
29 Incorrect 61 ms 8784 KB Expected int32, but "5000144244" found
30 Runtime error 7 ms 1112 KB Execution failed because the return code was nonzero
31 Runtime error 0 ms 344 KB Execution failed because the return code was nonzero
32 Runtime error 0 ms 344 KB Execution failed because the return code was nonzero