제출 #871532

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
871532		Muhammad_Aneeq	ICC (CEOI16_icc)	C++17	7 / 100	218 ms	1460 KiB

icc

#include <vector>
#include <set>
#include "icc.h"
using namespace std;
vector<int>g;
int const N=110;
vector<int>chi[N]={};int par[N]={};
bool w=0; 
bool q(vector<int>a,vector<int>b)
{
  int* c=new int[a.size()];int *d=new int[b.size()];
  for (int i=0;i<a.size();i++)
    c[i]=a[i];
  for (int i=0;i<b.size();i++)
    d[i]=b[i];
  int z=query(a.size(),b.size(),c,d);
  return z;
}
bool check(int l,int r)
{
  int mid=(l+r)/2;
  vector<int>a,b;
  for (int i=l;i<=mid;i++)
  {
    for (auto j:chi[g[i]])
     a.push_back(j);
  }
  for (int i=mid+1;i<=r;i++)
  {
    for (auto j:chi[g[i]])
     b.push_back(j);
  }
  return q(a,b);
}
int root(int x)
{
  if (x==par[x])
    return x;
  return (par[x]=root(par[x]));
}
void merge1(int x,int y)
{
  x=root(x);
  y=root(y);
  for (auto i:chi[y])
    chi[x].push_back(i);
  chi[y]={};
  par[y]=x;
}
void cq(int l,int r)
{
  int mid=(l+r)/2;
  set<int>a,b;
  for (int i=l;i<=mid;i++)
  {
    for (auto j:chi[g[i]])
     a.insert(j);
  }
  for (int i=mid+1;i<=r;i++)
  {
    for (auto j:chi[g[i]])
     b.insert(j);
  }
  int x=*(begin(a));
  while (a.size())
  {
    x=*begin(a);
    a.erase(x);
    if (q({begin(a),end(a)},{begin(b),end(b)})==0)
      break;
  }
  int y=*begin(b);
  while (b.size())
  {
    y=*begin(b);
    b.erase(y);
    if (q({x},{begin(b),end(b)})==0)
      break;
  }
  setRoad(x,y);
  y=root(y);
  merge1(x,y);
  x=root(x);
  vector<int>temp;
  for (auto i:g)
  {
    if (i==y)
      continue;
    temp.push_back(i);
  }
  g=temp;
}
void DnC(int l,int r)
{
  if (r-l+1==1)
    return;
  int mid=(l+r)/2;
  DnC(l,mid);
  DnC(mid+1,r);
  if (!w)
  {
    if (check(l,r))
    {
      w=1;
      cq(l,r);
    }
  }
}
void run(int n)
{
  for (int i=1;i<=n;i++)
  {
    par[i]=i;
    g.push_back(i);
    chi[i].push_back(i);
  }
  for (int i=0;i<n-1;i++)
  {
    w=0;
    DnC(0,g.size()-1);
  }
}

컴파일 시 표준 에러 (stderr) 메시지

icc.cpp: In function 'bool q(std::vector<int>, std::vector<int>)':
icc.cpp:12:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |   for (int i=0;i<a.size();i++)
      |                ~^~~~~~~~~
icc.cpp:14:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |   for (int i=0;i<b.size();i++)
      |                ~^~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 0 / 11
• Subtask 3: 0 / 22
• Subtask 4: 0 / 21
• Subtask 5: 0 / 29
• Subtask 6: 0 / 10