| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 842085 | 2023-09-02T11:34:52 Z | Tenis0206 | Longest Trip (IOI23_longesttrip) | C++17 | 75 ms | 984 KB |
#include <bits/stdc++.h>
#include "longesttrip.h"
using namespace std;
const int nmax = 256;
int n;
int d[nmax + 5];
bool sel[nmax + 5];
int t[nmax + 5];
int split, l1, l2;
int find_next_go(int nod)
{
vector<int> l;
for(int i=0; i<n; i++)
{
if(!sel[i])
{
l.push_back(i);
}
}
if(l.empty() || !are_connected({nod},l))
{
return -1;
}
int st = 0;
int dr = l.size();
while(st<dr)
{
int mij = (st + dr) >> 1;
vector<int> aux;
for(int i=st; i<=mij; i++)
{
aux.push_back(l[i]);
}
if(are_connected({nod},aux))
{
dr = mij;
}
else
{
st = mij + 1;
}
}
return l[st];
}
void dfs(int nod)
{
sel[nod] = true;
int son = find_next_go(nod);
int nr_sons = 0;
while(son!=-1)
{
t[son] = nod;
dfs(son);
son = find_next_go(nod);
++nr_sons;
}
if(nr_sons==2)
{
split = nod;
}
if(!nr_sons)
{
if(l1==-1)
{
l1 = nod;
}
else
{
l2 = nod;
}
}
}
std::vector<int> solve_component(int root)
{
split = -1, l1 = -1, l2 = -1;
dfs(root);
vector<int> r;
if(l2==-1)
{
int nod = l1;
r.push_back(l1);
while(nod!=root)
{
nod = t[nod];
r.push_back(nod);
}
return r;
}
vector<int> a,b;
bool ok = are_connected({l1}, {root});
if(!ok)
{
swap(l1,l2);
}
int nod = l1;
while(nod!=split)
{
a.push_back(nod);
nod = t[nod];
}
reverse(a.begin(),a.end());
nod = l2;
b.push_back(nod);
while(nod!=root)
{
nod = t[nod];
b.push_back(nod);
}
reverse(b.begin(),b.end());
for(auto it : a)
{
r.push_back(it);
}
for(auto it : b)
{
r.push_back(it);
}
return r;
}
std::vector<int> longest_trip(int N, int D)
{
n = N;
for(int i=0; i<n; i++)
{
sel[i] = false;
t[i] = -1;
}
vector<int> r;
for(int i=0; i<n; i++)
{
if(sel[i])
{
continue;
}
vector<int> aux = solve_component(i);
if(aux.size() > r.size())
{
r = aux;
}
}
return r;
}
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 344 KB | Output is correct |
| 2 | Correct | 17 ms | 468 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 10 ms | 344 KB | Output is correct |
| 2 | Correct | 17 ms | 500 KB | Output is correct |
| 3 | Correct | 34 ms | 600 KB | Output is correct |
| 4 | Correct | 44 ms | 444 KB | Output is correct |
| 5 | Correct | 59 ms | 728 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 13 ms | 344 KB | Output is correct |
| 2 | Correct | 18 ms | 344 KB | Output is correct |
| 3 | Correct | 37 ms | 600 KB | Output is correct |
| 4 | Correct | 42 ms | 444 KB | Output is correct |
| 5 | Correct | 61 ms | 728 KB | Output is correct |
| 6 | Correct | 11 ms | 344 KB | Output is correct |
| 7 | Correct | 20 ms | 344 KB | Output is correct |
| 8 | Correct | 33 ms | 600 KB | Output is correct |
| 9 | Correct | 41 ms | 344 KB | Output is correct |
| 10 | Correct | 60 ms | 956 KB | Output is correct |
| 11 | Correct | 53 ms | 716 KB | Output is correct |
| 12 | Correct | 63 ms | 472 KB | Output is correct |
| 13 | Correct | 60 ms | 976 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 12 ms | 344 KB | Output is correct |
| 2 | Correct | 17 ms | 344 KB | Output is correct |
| 3 | Correct | 29 ms | 344 KB | Output is correct |
| 4 | Correct | 47 ms | 448 KB | Output is correct |
| 5 | Correct | 58 ms | 728 KB | Output is correct |
| 6 | Correct | 11 ms | 344 KB | Output is correct |
| 7 | Correct | 20 ms | 344 KB | Output is correct |
| 8 | Correct | 32 ms | 600 KB | Output is correct |
| 9 | Correct | 39 ms | 440 KB | Output is correct |
| 10 | Correct | 58 ms | 716 KB | Output is correct |
| 11 | Correct | 58 ms | 728 KB | Output is correct |
| 12 | Correct | 61 ms | 732 KB | Output is correct |
| 13 | Correct | 58 ms | 720 KB | Output is correct |
| 14 | Correct | 13 ms | 344 KB | Output is correct |
| 15 | Correct | 12 ms | 344 KB | Output is correct |
| 16 | Correct | 21 ms | 344 KB | Output is correct |
| 17 | Correct | 28 ms | 344 KB | Output is correct |
| 18 | Correct | 31 ms | 344 KB | Output is correct |
| 19 | Correct | 41 ms | 444 KB | Output is correct |
| 20 | Correct | 40 ms | 444 KB | Output is correct |
| 21 | Correct | 60 ms | 712 KB | Output is correct |
| 22 | Correct | 56 ms | 724 KB | Output is correct |
| 23 | Correct | 53 ms | 732 KB | Output is correct |
| 24 | Correct | 63 ms | 728 KB | Output is correct |
| 25 | Correct | 13 ms | 344 KB | Output is correct |
| 26 | Correct | 12 ms | 344 KB | Output is correct |
| 27 | Correct | 19 ms | 344 KB | Output is correct |
| 28 | Correct | 21 ms | 344 KB | Output is correct |
| 29 | Correct | 22 ms | 344 KB | Output is correct |
| 30 | Correct | 39 ms | 436 KB | Output is correct |
| 31 | Correct | 36 ms | 436 KB | Output is correct |
| 32 | Correct | 32 ms | 440 KB | Output is correct |
| 33 | Correct | 50 ms | 600 KB | Output is correct |
| 34 | Correct | 38 ms | 440 KB | Output is correct |
| 35 | Correct | 44 ms | 696 KB | Output is correct |
| 36 | Correct | 68 ms | 472 KB | Output is correct |
| 37 | Correct | 65 ms | 732 KB | Output is correct |
| 38 | Correct | 60 ms | 464 KB | Output is correct |
| 39 | Correct | 68 ms | 980 KB | Output is correct |
| 40 | Correct | 63 ms | 984 KB | Output is correct |
| 41 | Correct | 70 ms | 708 KB | Output is correct |
| 42 | Correct | 60 ms | 476 KB | Output is correct |
| 43 | Correct | 68 ms | 960 KB | Output is correct |
| 44 | Correct | 65 ms | 716 KB | Output is correct |
| 45 | Correct | 11 ms | 344 KB | Output is correct |
| 46 | Correct | 12 ms | 344 KB | Output is correct |
| 47 | Correct | 21 ms | 344 KB | Output is correct |
| 48 | Correct | 21 ms | 344 KB | Output is correct |
| 49 | Correct | 21 ms | 344 KB | Output is correct |
| 50 | Correct | 34 ms | 600 KB | Output is correct |
| 51 | Correct | 35 ms | 692 KB | Output is correct |
| 52 | Correct | 38 ms | 436 KB | Output is correct |
| 53 | Correct | 47 ms | 444 KB | Output is correct |
| 54 | Correct | 40 ms | 440 KB | Output is correct |
| 55 | Correct | 41 ms | 448 KB | Output is correct |
| 56 | Correct | 75 ms | 472 KB | Output is correct |
| 57 | Correct | 64 ms | 972 KB | Output is correct |
| 58 | Correct | 58 ms | 724 KB | Output is correct |
| 59 | Correct | 64 ms | 976 KB | Output is correct |
| 60 | Correct | 62 ms | 720 KB | Output is correct |
| 61 | Correct | 64 ms | 704 KB | Output is correct |
| 62 | Correct | 54 ms | 476 KB | Output is correct |
| 63 | Correct | 60 ms | 712 KB | Output is correct |
| 64 | Correct | 60 ms | 724 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 12 ms | 596 KB | Output is correct |
| 2 | Correct | 18 ms | 344 KB | Output is correct |
| 3 | Correct | 26 ms | 344 KB | Output is correct |
| 4 | Partially correct | 43 ms | 448 KB | Output is partially correct |
| 5 | Partially correct | 63 ms | 728 KB | Output is partially correct |
| 6 | Correct | 14 ms | 504 KB | Output is correct |
| 7 | Correct | 21 ms | 344 KB | Output is correct |
| 8 | Correct | 37 ms | 344 KB | Output is correct |
| 9 | Partially correct | 40 ms | 856 KB | Output is partially correct |
| 10 | Partially correct | 62 ms | 960 KB | Output is partially correct |
| 11 | Partially correct | 57 ms | 480 KB | Output is partially correct |
| 12 | Partially correct | 52 ms | 732 KB | Output is partially correct |
| 13 | Partially correct | 59 ms | 984 KB | Output is partially correct |
| 14 | Correct | 10 ms | 344 KB | Output is correct |
| 15 | Correct | 13 ms | 344 KB | Output is correct |
| 16 | Correct | 26 ms | 344 KB | Output is correct |
| 17 | Correct | 25 ms | 344 KB | Output is correct |
| 18 | Correct | 33 ms | 600 KB | Output is correct |
| 19 | Partially correct | 42 ms | 440 KB | Output is partially correct |
| 20 | Partially correct | 46 ms | 700 KB | Output is partially correct |
| 21 | Correct | 14 ms | 344 KB | Output is correct |
| 22 | Correct | 8 ms | 344 KB | Output is correct |
| 23 | Correct | 18 ms | 344 KB | Output is correct |
| 24 | Correct | 19 ms | 344 KB | Output is correct |
| 25 | Correct | 21 ms | 340 KB | Output is correct |
| 26 | Partially correct | 38 ms | 440 KB | Output is partially correct |
| 27 | Partially correct | 37 ms | 440 KB | Output is partially correct |
| 28 | Partially correct | 40 ms | 436 KB | Output is partially correct |
| 29 | Partially correct | 46 ms | 604 KB | Output is partially correct |
| 30 | Partially correct | 40 ms | 444 KB | Output is partially correct |
| 31 | Partially correct | 39 ms | 500 KB | Output is partially correct |
| 32 | Correct | 17 ms | 344 KB | Output is correct |
| 33 | Correct | 16 ms | 344 KB | Output is correct |
| 34 | Correct | 23 ms | 344 KB | Output is correct |
| 35 | Correct | 23 ms | 500 KB | Output is correct |
| 36 | Correct | 24 ms | 344 KB | Output is correct |
| 37 | Partially correct | 33 ms | 436 KB | Output is partially correct |
| 38 | Partially correct | 32 ms | 436 KB | Output is partially correct |
| 39 | Partially correct | 38 ms | 444 KB | Output is partially correct |
| 40 | Partially correct | 45 ms | 444 KB | Output is partially correct |
| 41 | Partially correct | 43 ms | 440 KB | Output is partially correct |
| 42 | Partially correct | 41 ms | 448 KB | Output is partially correct |
| 43 | Partially correct | 57 ms | 704 KB | Output is partially correct |
| 44 | Partially correct | 51 ms | 728 KB | Output is partially correct |
| 45 | Partially correct | 63 ms | 716 KB | Output is partially correct |
| 46 | Partially correct | 57 ms | 720 KB | Output is partially correct |
| 47 | Partially correct | 67 ms | 720 KB | Output is partially correct |
| 48 | Partially correct | 67 ms | 456 KB | Output is partially correct |
| 49 | Partially correct | 62 ms | 728 KB | Output is partially correct |
| 50 | Partially correct | 71 ms | 476 KB | Output is partially correct |
| 51 | Partially correct | 61 ms | 472 KB | Output is partially correct |
| 52 | Partially correct | 66 ms | 472 KB | Output is partially correct |
| 53 | Partially correct | 64 ms | 468 KB | Output is partially correct |
| 54 | Partially correct | 64 ms | 972 KB | Output is partially correct |
| 55 | Partially correct | 64 ms | 716 KB | Output is partially correct |
| 56 | Partially correct | 56 ms | 708 KB | Output is partially correct |
| 57 | Partially correct | 61 ms | 476 KB | Output is partially correct |
| 58 | Partially correct | 62 ms | 872 KB | Output is partially correct |
| 59 | Partially correct | 64 ms | 724 KB | Output is partially correct |
| 60 | Partially correct | 68 ms | 696 KB | Output is partially correct |
| 61 | Partially correct | 62 ms | 968 KB | Output is partially correct |
| 62 | Partially correct | 60 ms | 720 KB | Output is partially correct |
| 63 | Partially correct | 61 ms | 704 KB | Output is partially correct |
| 64 | Partially correct | 57 ms | 728 KB | Output is partially correct |
| 65 | Partially correct | 70 ms | 720 KB | Output is partially correct |
| 66 | Partially correct | 60 ms | 732 KB | Output is partially correct |
| 67 | Partially correct | 65 ms | 480 KB | Output is partially correct |
| 68 | Partially correct | 63 ms | 708 KB | Output is partially correct |
| 69 | Partially correct | 70 ms | 864 KB | Output is partially correct |
| 70 | Partially correct | 63 ms | 716 KB | Output is partially correct |
| 71 | Partially correct | 61 ms | 960 KB | Output is partially correct |
| 72 | Partially correct | 59 ms | 732 KB | Output is partially correct |
| 73 | Partially correct | 60 ms | 468 KB | Output is partially correct |
| 74 | Partially correct | 73 ms | 720 KB | Output is partially correct |
| 75 | Partially correct | 63 ms | 472 KB | Output is partially correct |
| 76 | Partially correct | 54 ms | 468 KB | Output is partially correct |
| 77 | Partially correct | 61 ms | 960 KB | Output is partially correct |
| 78 | Partially correct | 65 ms | 456 KB | Output is partially correct |
| 79 | Partially correct | 60 ms | 724 KB | Output is partially correct |
| 80 | Partially correct | 67 ms | 728 KB | Output is partially correct |
| 81 | Partially correct | 64 ms | 728 KB | Output is partially correct |
| 82 | Partially correct | 72 ms | 452 KB | Output is partially correct |