Submission #283958

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
283958	2020-08-26 10:05:23	hank55663	Simurgh (IOI17_simurgh)	C++14	51 / 100	352 ms	2296 KiB

simurgh

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#include "simurgh.h"
#define x first
#define y second
#define pb push_back
#include<bits/stdc++.h>
using namespace std;
int f[505];
int f2[505];
int Find(int x){
  if(f[x]==x)return x;
  return f[x]=Find(f[x]);
}
int Find2(int x){
  if(f2[x]==x)return x;
  return f2[x]=Find2(f2[x]);
}
int check[250500];
int ok[250500];
std::vector<int> find_roads(int n, std::vector<int> u, std::vector<int> v) {
  vector<int> ans;
  int m=u.size();
  for(int i = 0;i<n;i++)f2[i]=i;
  for(int i = 0;i<n;i++){
    for(int j=0;j<n;j++)f[j]=Find2(j);
    vector<int> road;
    vector<int> road2;
    vector<int> candidate;
    for(int j = 0;j<m;j++){
      if(Find2(u[j])!=Find2(i)&&Find2(v[j])!=Find2(i)){
        if(Find(u[j])!=Find(v[j])&&Find2(u[j])!=Find2(v[j])){
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

simurgh.cpp: In function 'std::vector<int> find_roads(int, std::vector<int>, std::vector<int>)':
simurgh.cpp:59:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::vector<int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |   for(int i = 0;i<vv.size();i++){
      |                 ~^~~~~~~~~~
simurgh.cpp:72:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::vector<int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   72 |   for(int j = 0;j<vv.size();j++){
      |                 ~^~~~~~~~~~

• Subtask 1: 13 / 13
• Subtask 2: 17 / 17
• Subtask 3: 21 / 21
• Subtask 4: 0 / 19
• Subtask 5: 0 / 30