oj.uz

Submission #775712

# Submission time Handle Problem Language Result Execution time Memory
775712 2023-07-06T19:41:33 Z I_Love_EliskaM_ Mechanical Doll (IOI18_doll) C++14
26 / 100
 255 ms 14672 KB 
#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
#define forn(i,n) for(int i=0;i<n;++i)
#define ll long long
#define pb push_back
#define all(x) x.begin(), x.end()
const ll inf = 1e18;
#define pi pair<int,int>
#define f first
#define s second

void mysim(vector<int> c, vector<int> x, vector<int> y) {
  int p=0;
  int z=1;
  int k=x.size();
  vector<int> s(k,0);
  while (z||p) {
    if (!p) {
      z=0; p=c[p];
    } else if (p>0) {
      cout<<p<<"->\n";
      p=c[p];
    } else {
      cout<<"? "<<p<<'\n';
      int i=-p-1;
      if (s[i]==0) p=x[i];
      else p=y[i];
      s[i]^=1;
    }
  }
}

void create_circuit(int m, vector<int>a) {
  int n=a.size();
  map<int,int> cnt;
  int mx=0;
  for(auto&x:a) {
    cnt[x]++;
    mx=max(mx,cnt[x]);
  }
  if (mx<=4) {
    vector<int> c(m+1,0);
    c[0]=a[0];
    vector<int> x,y;
    int nxt=0;
    for(auto&it:cnt) {
      int v=it.f, k=it.s;
      if (k==1) continue;
      if (k==2) {
        x.pb(0), y.pb(0);
        c[v]=-1-nxt++;
      } else {
        x.pb(-1-(nxt+1)), y.pb(-1-(nxt+2));
        forn(i,2) x.pb(0), y.pb(0);
        if (k==3) y[nxt+1]=-1-(nxt);
        c[v]=-nxt-1;
        nxt+=3;
      }
    }
    map<int,int> ok;
    a.pb(0);
    for(int i=0;i<n;++i) {
      int k=cnt[a[i]];
      if (k==1) {
        c[a[i]]=a[i+1];
      } else if (k==2) {
        if (ok[a[i]]) {
          y[-c[a[i]]-1]=a[i+1];
        } else {
          ++ok[a[i]];
          x[-c[a[i]]-1]=a[i+1];
        }
      } else if (k==3) {
        if (ok[a[i]]==0) {
          x[-1-x[-c[a[i]]-1]]=a[i+1];
        } else if (ok[a[i]]==1) {
          x[-1-y[-c[a[i]]-1]]=a[i+1];
        } else {
          y[-1-y[-c[a[i]]-1]]=a[i+1];
        }
        ++ok[a[i]];
      } else {
        if (ok[a[i]]==0) {
          x[-1-x[-c[a[i]]-1]]=a[i+1];
        } else if (ok[a[i]]==1) {
          x[-1-y[-c[a[i]]-1]]=a[i+1];
        } else if (ok[a[i]]==2) {
          y[-1-x[-c[a[i]]-1]]=a[i+1];
        } else {
          y[-1-y[-c[a[i]]-1]]=a[i+1];
        }
        ++ok[a[i]];
      }
    }
    answer(c,x,y);
    return;
  }

  vector<int> c(m+1,-1); c[0]=a[0];
  int sz=1; while (2*sz<n) sz<<=1;
  vector<int> x(2*sz-1,-1), y(2*sz-1,-1);
  forn(i,sz-1) x[i]=2*i+1, y[i]=2*i+2;
  forn(i,sz-1) x[i]=-1-x[i], y[i]=-1-y[i];
  vector<int> s(2*sz-1,1);
 
  vector<pi> z;
  forn(it,2*sz) {
    int p=0;
    while (p<sz-1) {
      s[p]^=1;
      p=2*p+1+s[p];
    }
    s[p]^=1;
    z.pb({p,s[p]});
  }

  if (n&1) {
    c[0]=-1;
    a.pb(0);
    ++n;
  } else {
    forn(i,n-1) a[i]=a[i+1];
    a[n-1]=0;
  }
  
  forn(i,n/2) {
    x[z[i].f]=a[i];
    y[z[i].f]=a[n/2+i];
  }
  
  vector<int> fs,sc;
  set<int> st; forn(i,2*sz-1) st.insert(i);
  forn(i,2*sz-1) {
    if (x[i]==-1) {
      st.erase(i);
      //cout<<"! "<<i<<' '<<x[i]<<'\n';
      if (i&1) {
        fs[(i-1)/2]=y[i];
      } else {
        sc[(i-1)/2]=y[i];
      }
    } else {
      fs.pb(x[i]);
      sc.pb(y[i]);
    }
  }

  map<int,int> comp; int mex=0;
  for(auto&x:st) comp[x]=mex++;
  forn(i,sz-1) {
    if (fs[i]<0) fs[i]=-1-comp[-fs[i]-1];
    if (sc[i]<0) sc[i]=-1-comp[-sc[i]-1];
  }
 
  answer(c,x,y);
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 44 ms 5072 KB Output is correct
3 Correct 42 ms 4600 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 7 ms 1364 KB Output is correct
6 Correct 68 ms 6900 KB Output is correct
7 Correct 0 ms 212 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 44 ms 5072 KB Output is correct
3 Correct 42 ms 4600 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 7 ms 1364 KB Output is correct
6 Correct 68 ms 6900 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 140 ms 9748 KB Output is correct
9 Correct 114 ms 9632 KB Output is correct
10 Correct 209 ms 14672 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 44 ms 5072 KB Output is correct
3 Correct 42 ms 4600 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 7 ms 1364 KB Output is correct
6 Correct 68 ms 6900 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 140 ms 9748 KB Output is correct
9 Correct 114 ms 9632 KB Output is correct
10 Correct 209 ms 14672 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 255 ms 14100 KB Output is correct
15 Correct 122 ms 7068 KB Output is correct
16 Correct 202 ms 10708 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 207 ms 13324 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct

Subtask #5
0.0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB state 'Y'
2 Halted 0 ms 0 KB -

Subtask #6
0.0 / 56.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB state 'Y'
2 Halted 0 ms 0 KB -