Submission #733934

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
733934	2023-05-01 12:11:55	ismayil	Connecting Supertrees (IOI20_supertrees)	C++17	11 / 100	203 ms	22140 KiB

supertrees

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#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;
const int MAX = 1e3 + 3;
struct DSU{
  int par[MAX];
  int find(int u){
    if(par[u] < 0) return u;
    return par[u] = find(par[u]);
  }
  bool unite(int u, int v){
    u = find(u), v = find(v);
    if(u == v) return false;
    if(par[u] > par[v]) swap(u, v);
    par[u] += par[v];
    par[v] = u;
    return true;
  }
  DSU(){
    memset(par, -1, sizeof(par));
  }
};
int construct(vector<vector<int>> p) 
{
  DSU dsu1, dsu2;
  int n = p.size();
  vector<vector<int>> answer(n, vector<int>(n, 0));
  int mark[n] = {0};
  for (int i = 0; i < n; i++){
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:59:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |   for(int j = 0; j < v.size() - 1; j++) answer[v[j]][v[j + 1]] = answer[v[j + 1]][v[j]] = 1;
      |                  ~~^~~~~~~~~~~~~~

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