Submission #872363

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
872363	2023-11-13T01:34:07 Z	Faisal_Saqib	ICC (CEOI16_icc)	C++17	Compilation error	0 ms	0 KB

icc

#include "icc.h"
#include <bits/stdc++.h>
using namespace std;
#define vll vector<int>
const int N=200;
int par[N];
int sz[N];
void init(int n)
{
    for(int i=1;i<=n;i++)
    {
        par[i]=i;
        sz[i]=1;
    }
}
int root(int x)
{
    return (par[x]==x?x:par[x]=root(par[x]));
}
void join(int x,int y)
{
    x=root(x);
    y=root(y);
    if(x!=y)
    {
        par[x]=y;
        sz[y]+=sz[x];
    }
}
int n_n_n;
vll modify(vll& a)
{
  vll b;
  for(auto i:a)
    for(int j=1;j<=n_n_n;j++)
      if(root(j)==i)
        b.push_back(j);
  return b;
}
int check_edge(vll& a,vll& b)
{
    if(a.size()==0 or b.size()==0)
    {
        return 0;
    }
  int n=a.size();
  int m=b.size();
  int a_[n];
  for(int i=0;i<n;i++)
    a_[i]=a[i];
  int b_[m];
  for(int i=0;i<m;i++)
    b_[i]=b[i];
  return query(n,m,a_,b_);
}
vll fit,sed;
int fix_first(int l,int r)
{
  if(l==r)
    return l;
  int mid=(l+r)/2;
  vll cur;
  for(int i=l;i<=mid;i++)
    cur.push_back(fit[i]);
  if(check_edge(cur,sed))
    return fix_first(l,mid);
  else
    return fix_first(mid+1,r);
}
void between(vll& a,vll& b)
{
  fit=a;
  sed=b;
  int ind=fix_first(0,((int)a.size())-1);
  // cout<<"Hello "<<' '<<ind<<' '<<a[ind]<<endl;
  fit={fit[ind]};
  swap(sed,fit);
  ind=fix_first(0,((int)b.size())-1);
  // cout<<"Hello "<<' '<<ind<<' '<<b[ind]<<endl;
  fit={fit[ind]};
}
bool found_=0;
void solve(vll& big)
{
    ll mos=big.back();
    ll lg=log2(mos);
    for(int j=0;j<=lg;j++)
    {
        vll a,b;
        for(auto i:big)
        {
            if((1ll<<j)&i)
            {
                a.pb(i);
            }
            else
            {
                b.pb(i);
            }
        }
        vll c=modify(a),d=modify(b);
        if(check_edge(c,d))
        {
            between(c,d);
            return;
        }
    }
}
void run(int n)
{
  n_n_n=n;
  init(n);
  int q=n-1;
  while(q--)
  {
    // cout<<"Add edge \n";
    // int x_,y_;
    // cin>>x_>>y_;
    // ka[x_][y_]=1;
    // ka[y_][x_]=1;
    vll big;
    for(int i=1;i<=n;i++)
      if(par[i]==i)
        big.push_back(i);
    // for(auto i:big)
    // {
    //   cout<<i<<' ';
    // }
    // cout<<endl;
    // cout<<"HEllo "<<check_edge(a,b)<<endl;;
    found_=0;
    solve(big);
    // cout<<"edge is "<<fit[0]<<' '<<sed[0]<<endl;
    join(fit[0],sed[0]);
    setRoad(fit[0],sed[0]);
    // break;
  }
}
// int main()
// {
//   int n;
//   cin>>n;  
//   run(n);
// }

Compilation message

icc.cpp: In function 'void solve(std::vector<int>&)':
icc.cpp:85:5: error: 'll' was not declared in this scope; did you mean 'vll'?
   85 |     ll mos=big.back();
      |     ^~
      |     vll
icc.cpp:86:7: error: expected ';' before 'lg'
   86 |     ll lg=log2(mos);
      |       ^~~
      |       ;
icc.cpp:87:20: error: 'lg' was not declared in this scope; did you mean 'log'?
   87 |     for(int j=0;j<=lg;j++)
      |                    ^~
      |                    log
icc.cpp:94:19: error: 'class std::vector<int>' has no member named 'pb'
   94 |                 a.pb(i);
      |                   ^~
icc.cpp:98:19: error: 'class std::vector<int>' has no member named 'pb'
   98 |                 b.pb(i);
      |                   ^~