Submission #1023543

#	Time	Username	Problem	Language	Result	Execution time	Memory
1023543		Rolo678	Stone Arranging 2 (JOI23_ho_t1)	C++14	Compilation error	0 ms	0 KiB

Main

#include<bits/stdc++.h>
using namespace std;

vector<int>a(2e5+5);
map<int,int>m;
vector<int>p(2e5+5);
vector<int>s(2e5+5);
void make_set(int n)
{
  for(int i = 1;i<=n;i++)
  {
     p[i] = i;
    s[i] =1;
  }
}
 int  find_parent (int v)
 {
     if(v == p[v])
     {
       return v;
       
     }
   
    return p[v] = find_parent(p[v]);
 }
  
 void union_sets(int a,int b)
 {
   int pa = find_parent(a);
   int pb = find_parent(b);
   if(pa!=pb)
   {
     if(pb > pa)swap(pa,pb);
     
     p[pb] = pa;
     size [a] += size[b];
   }
 }
  
int main()
{
  int n;
  cin >> n;
  make_set(n);
  vector<stack<int>>v(n+1,stack<int>())
    set<int>se;
  for(int i = 1;i<=n;i++)
  {
    cin >> a[i];
    se.insert(a[i])
    
  }
}

Compilation message (stderr)

Main.cpp: In function 'void union_sets(int, int)':
Main.cpp:36:6: error: 'size' was not declared in this scope; did you mean 'dysize'?
   36 |      size [a] += size[b];
      |      ^~~~
      |      dysize
Main.cpp: In function 'int main()':
Main.cpp:46:5: error: expected ',' or ';' before 'set'
   46 |     set<int>se;
      |     ^~~
Main.cpp:50:5: error: 'se' was not declared in this scope; did you mean 's'?
   50 |     se.insert(a[i])
      |     ^~
      |     s