oj.uz

Submission #49088

# Submission time Handle Problem Language Result Execution time Memory
49088 2018-05-22T01:54:30 Z ami Dojave (COCI17_dojave) C++14
14 / 140
 4000 ms 8736 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];
 
  if (n==1) {
    cout<<2<<endl;
    return 0;
  }
 
  int N=1<<n;
  rep(i,0,1<<n) p[N-1-a[i]]=i;
 
  i64 res=i64(N+1)*N/2;
  rep(i,0,N) {
    rep(j,i+1,N) {
      if (p[a[j]]<i) break;
      if ((j-i+1)%4==0) {
        bool ok=true;
        rep(k,i,j+1) if (p[a[k]]>j) {
          ok=false;
          j=p[a[k]]-1;
          break;
        }
        if (ok) { res-=1; }
      }
    }
  }
  cout<<res<<endl;
 
  return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 428 KB Output is correct

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 504 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 818 ms 604 KB Output is correct
2 Incorrect 34 ms 604 KB Output isn't 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 Incorrect 16 ms 672 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 188 ms 1084 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 252 ms 1084 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 4035 ms 2592 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 4064 ms 8668 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 4032 ms 8736 KB Time limit exceeded
2 Halted 0 ms 0 KB -