Submission #970817

# Submission time Handle Problem Language Result Execution time Memory
970817 2024-04-27T10:37:05 Z vjudge1 Gap (APIO16_gap) C++14
30 / 100
41 ms 4192 KB
#include "gap.h"

#include <bits/stdc++.h>

using namespace std;

#define int long long

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int dnc(int l, int r){
   if (l>=r) return 0;
   int mid=(l+r)>>1;
   int l1, r1, l2, r2;
   MinMax(l, mid, &l1, &r1);
   MinMax(mid+1, r, &l2, &r2);
   int ll=l1;
   if (ll==-1) ll=l2;
   int rr=r2;
   if (rr==-1) rr=r1;
   if (ll==-1 || rr==-1) return r-l+2;
   int ans=max({(r+1)-rr, ll-(l-1), (l2==-1 || r1==-1)?0:l2-r1});
   if (ans<r1-l1) ans=max(ans, dnc(l1+1, r1-1));
   if (ans<l2-r2) ans=max(ans, dnc(l2+1, r2-1));
   return ans;
}

long long findGap(int32_t T, int32_t N)
{
   if (T==1){
      int pl=0, pr=1e18;
      vector<int> a;
      while (N>0){
         int l, r;
         MinMax(pl, pr, &l, &r);
         a.push_back(l);
         if (l!=r) a.push_back(r);
         pl=l+1;
         pr=r-1;
         N-=2;
      }
      sort(a.begin(), a.end());
      int ans=0;
      for (int i=1; i<(int)a.size(); ++i) ans=max(ans, a[i]-a[i-1]);
      return ans;
   }
   int l, r;
   MinMax(0, 1e18, &l, &r);
   if (N==2) return r-l;
   if (r-l==2) return 1;
	return dnc(l+1, r-1);
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 2400 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 0 ms 2392 KB Output is correct
6 Correct 1 ms 2488 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 8 ms 3008 KB Output is correct
17 Correct 8 ms 2856 KB Output is correct
18 Correct 8 ms 2860 KB Output is correct
19 Correct 8 ms 3020 KB Output is correct
20 Correct 7 ms 2820 KB Output is correct
21 Correct 36 ms 4000 KB Output is correct
22 Correct 32 ms 3800 KB Output is correct
23 Correct 37 ms 4008 KB Output is correct
24 Correct 32 ms 3992 KB Output is correct
25 Correct 30 ms 3792 KB Output is correct
26 Correct 41 ms 3784 KB Output is correct
27 Correct 32 ms 3832 KB Output is correct
28 Correct 36 ms 4152 KB Output is correct
29 Correct 32 ms 3944 KB Output is correct
30 Correct 27 ms 4192 KB Output is correct
31 Correct 1 ms 2392 KB Output is correct
32 Correct 1 ms 2392 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Incorrect 1 ms 2392 KB Output isn't correct
4 Correct 0 ms 2392 KB Output is correct
5 Correct 0 ms 2392 KB Output is correct
6 Incorrect 1 ms 2392 KB Output isn't correct
7 Correct 0 ms 2392 KB Output is correct
8 Incorrect 0 ms 2392 KB Output isn't correct
9 Incorrect 1 ms 2392 KB Output isn't correct
10 Incorrect 1 ms 2392 KB Output isn't correct
11 Incorrect 1 ms 2392 KB Output isn't correct
12 Incorrect 1 ms 2392 KB Output isn't correct
13 Incorrect 1 ms 2392 KB Output isn't correct
14 Incorrect 1 ms 2388 KB Output isn't correct
15 Correct 1 ms 2392 KB Output is correct
16 Incorrect 5 ms 2564 KB Output isn't correct
17 Incorrect 3 ms 2596 KB Output isn't correct
18 Incorrect 4 ms 2592 KB Output isn't correct
19 Incorrect 4 ms 2600 KB Output isn't correct
20 Incorrect 2 ms 2580 KB Output isn't correct
21 Incorrect 13 ms 2852 KB Output isn't correct
22 Incorrect 12 ms 2872 KB Output isn't correct
23 Incorrect 12 ms 3108 KB Output isn't correct
24 Incorrect 13 ms 2864 KB Output isn't correct
25 Correct 16 ms 3044 KB Output is correct
26 Incorrect 13 ms 2856 KB Output isn't correct
27 Incorrect 19 ms 2808 KB Output isn't correct
28 Incorrect 14 ms 3020 KB Output isn't correct
29 Incorrect 13 ms 2896 KB Output isn't correct
30 Incorrect 7 ms 2816 KB Output isn't correct
31 Correct 0 ms 2392 KB Output is correct
32 Correct 0 ms 2392 KB Output is correct