oj.uz

Submission #848776

# Submission time Handle Problem Language Result Execution time Memory
848776 2023-09-13T13:29:34 Z emad234 Longest Trip (IOI23_longesttrip) C++17
0 / 100
 1 ms 344 KB 
#include <bits/stdc++.h>
#define all(v) ((v).begin(),(v).end())
#define ll long long
#define F first
#define S second
const ll mod = 1e9 + 7;
const ll mxN = 2e5 + 1;
using namespace std;
bool are_connected(std::vector<int> A, std::vector<int> B);
int Search(int x, vector<int>b){
  if(b.size() == 1) return b[0];
  vector<int>a = {x};
  vector<int> v,v1;
  for(int i = 0;i < b.size() / 2;i++) v.push_back(b[i]);
  for(int i = b.size() / 2;i < b.size();i++) v1.push_back(b[i]);
  if(are_connected(a,v)) return Search(x,v);
  else if(are_connected(a,v1)) return Search(x,v1);
  return -1;
}
bool vis[mxN];
vector<int> longest_trip(int N, int D)
{
  vector<int>ans = {0};
  vis[0] = 1;
  while(ans.size() < N){
    vector<int>b;
    for(int i = 0;i < N;i++){
      if(!vis[i]) b.push_back(i);
    }
    int x = Search(ans[ans.size() - 1],b);
    ans.push_back(x);
    vis[x] = 1;
  }
  return ans;
}

Compilation message

longesttrip.cpp: In function 'int Search(int, std::vector<int>)':
longesttrip.cpp:14:19: 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() / 2;i++) v.push_back(b[i]);
      |                 ~~^~~~~~~~~~~~~~
longesttrip.cpp:15:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |   for(int i = b.size() / 2;i < b.size();i++) v1.push_back(b[i]);
      |                            ~~^~~~~~~~~~
longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:25:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   25 |   while(ans.size() < N){
      |         ~~~~~~~~~~~^~~

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB invalid array
2 Halted 0 ms 0 KB -

Subtask #1
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB invalid array
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB invalid array
2 Halted 0 ms 0 KB -

Subtask #3
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB invalid array
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 60.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB invalid array
2 Halted 0 ms 0 KB -