Submission #431404

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
431404	2021-06-17 11:41:58	Rouge_Hugo	Connecting Supertrees (IOI20_supertrees)	C++14	21 / 100	302 ms	27952 KiB

supertrees

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#include<bits/stdc++.h>
#include "supertrees.h"
#include <vector>
#define fi first
#define se second
#define pb push_back
using namespace std;
int n;const int N=1009;
vector<vector<int>>ans;
int pa[N],nw[N],s=0,sz[N],p[N][N],vis[N];
vector<int>v[N];vector<int>sta;
vector<int>u;
void merge(int x,int y)
{
    x=pa[x];y=pa[y];
    if(x==y)return;
    if(sz[x]<sz[y])swap(x,y);
    for(auto it:v[y])
    {
        sz[x]++;
        v[x].pb(it);
        pa[it]=x;
    }
}vector<int>h;
int go(int x,int y)
{
    h.clear();
    sta.clear();int last=x;h.pb(x);
    for(auto it:v[x])sta.pb(it);
    nw[x]=++s;int three=0;
 
 
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Compilation message (stderr)

supertrees.cpp: In function 'int go(int, int)':
supertrees.cpp:31:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |     for(int j=y+1;j<u.size();j++)
      |                   ~^~~~~~~~~
supertrees.cpp:35:17: warning: unused variable 're' [-Wunused-variable]
   35 |         int r=1,re=0;
      |                 ^~
supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:102:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  102 |     for(int i=0;i<u.size();i++)
      |                 ~^~~~~~~~~

• Subtask 1: 11 / 11
• Subtask 2: 10 / 10
• Subtask 3: 0 / 19
• Subtask 4: 0 / 35
• Subtask 5: 0 / 21
• Subtask 6: 0 / 4