oj.uz

Submission #49084

# Submission time Handle Problem Language Result Execution time Memory
49084 2018-05-22T01:19:59 Z ami Dojave (COCI17_dojave) C++14
28 / 140
 4000 ms 8940 KB 
#include <bits/stdc++.h>
#define sz(c)      int(c.size())
#define rep(i,a,b) for (int i=a; i<(b); ++i)
#define per(i,a,b) for (int i=(b)-1; i>=(a); --i)
#define bin(x) bitset<4>(x)
using namespace std;
using i64 = long long;

int const MAXN=1<<21;
int n;
int a[MAXN];
int p[MAXN];

int main() {
  cin.tie(0);
  ios_base::sync_with_stdio(0);
  cout<<fixed<<setprecision(10);

  cin>>n;
  rep(i,0,1<<n) cin>>a[i];

  int N=1<<n;
  rep(i,0,1<<n) p[N-1-a[i]]=i;

  int res=N*(N+1)/2;
  rep(i,0,N) {
    rep(j,i+1,N) if ((j-i+1)%4==0) {
      bool ok=true;
      rep(k,i,j+1) if (p[a[k]]<i || p[a[k]]>j) {
        ok=false;
        break;
      }
      if (ok) { res-=1; }
    }
  }
  cout<<res<<endl;

  return 0;
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 424 KB Output is correct
2 Correct 3 ms 588 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 670 ms 588 KB Output is correct
2 Correct 53 ms 604 KB Output is correct

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4030 ms 604 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 141 ms 788 KB Output is correct
2 Execution timed out 4056 ms 800 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #6
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 2029 ms 1320 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 2073 ms 1320 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4056 ms 2752 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4022 ms 8940 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4064 ms 8940 KB Time limit exceeded
2 Halted 0 ms 0 KB -