| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 842074 | 2023-09-02T11:13:15 Z | Tenis0206 | Longest Trip (IOI23_longesttrip) | C++17 | 817 ms | 2232 KB |
#include <bits/stdc++.h>
#include "longesttrip.h"
using namespace std;
const int nmax = 256;
int n;
std::vector<int> G[nmax + 5];
int d[nmax + 5];
bool sel[nmax + 5];
int t[nmax + 5];
int split, l1, l2;
int find_next_go(int nod)
{
for(auto it : G[nod])
{
if(!sel[it])
{
return it;
}
}
return -1;
}
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 = false;
for(auto it : G[l1])
{
if(it==root)
{
ok = true;
}
}
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++)
{
G[i].clear();
sel[i] = false;
t[i] = -1;
}
for(int i=0; i<n; i++)
{
for(int j=i+1; j<n; j++)
{
if(are_connected({i}, {j}))
{
G[i].push_back(j);
G[j].push_back(i);
}
}
}
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 | 1 ms | 344 KB | Output is correct |
| 2 | Correct | 177 ms | 1680 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 7 ms | 344 KB | Output is correct |
| 2 | Correct | 25 ms | 344 KB | Output is correct |
| 3 | Correct | 118 ms | 600 KB | Output is correct |
| 4 | Correct | 343 ms | 1376 KB | Output is correct |
| 5 | Correct | 749 ms | 1064 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 8 ms | 344 KB | Output is correct |
| 2 | Correct | 24 ms | 344 KB | Output is correct |
| 3 | Correct | 137 ms | 1112 KB | Output is correct |
| 4 | Correct | 373 ms | 1476 KB | Output is correct |
| 5 | Correct | 689 ms | 1144 KB | Output is correct |
| 6 | Correct | 7 ms | 344 KB | Output is correct |
| 7 | Correct | 20 ms | 344 KB | Output is correct |
| 8 | Correct | 131 ms | 1124 KB | Output is correct |
| 9 | Correct | 260 ms | 724 KB | Output is correct |
| 10 | Correct | 720 ms | 1188 KB | Output is correct |
| 11 | Correct | 706 ms | 1048 KB | Output is correct |
| 12 | Correct | 727 ms | 1372 KB | Output is correct |
| 13 | Correct | 719 ms | 1856 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 7 ms | 504 KB | Output is correct |
| 2 | Correct | 24 ms | 756 KB | Output is correct |
| 3 | Correct | 124 ms | 716 KB | Output is correct |
| 4 | Correct | 374 ms | 632 KB | Output is correct |
| 5 | Correct | 701 ms | 1732 KB | Output is correct |
| 6 | Correct | 7 ms | 344 KB | Output is correct |
| 7 | Correct | 24 ms | 344 KB | Output is correct |
| 8 | Correct | 117 ms | 1364 KB | Output is correct |
| 9 | Correct | 284 ms | 720 KB | Output is correct |
| 10 | Correct | 778 ms | 1388 KB | Output is correct |
| 11 | Correct | 764 ms | 1308 KB | Output is correct |
| 12 | Correct | 734 ms | 1232 KB | Output is correct |
| 13 | Correct | 724 ms | 1420 KB | Output is correct |
| 14 | Correct | 7 ms | 344 KB | Output is correct |
| 15 | Correct | 12 ms | 344 KB | Output is correct |
| 16 | Correct | 44 ms | 504 KB | Output is correct |
| 17 | Correct | 72 ms | 600 KB | Output is correct |
| 18 | Correct | 128 ms | 856 KB | Output is correct |
| 19 | Correct | 283 ms | 1112 KB | Output is correct |
| 20 | Correct | 265 ms | 1368 KB | Output is correct |
| 21 | Correct | 743 ms | 1904 KB | Output is correct |
| 22 | Correct | 692 ms | 1664 KB | Output is correct |
| 23 | Correct | 709 ms | 1320 KB | Output is correct |
| 24 | Correct | 661 ms | 1516 KB | Output is correct |
| 25 | Correct | 12 ms | 344 KB | Output is correct |
| 26 | Correct | 9 ms | 344 KB | Output is correct |
| 27 | Correct | 21 ms | 344 KB | Output is correct |
| 28 | Correct | 20 ms | 344 KB | Output is correct |
| 29 | Correct | 21 ms | 344 KB | Output is correct |
| 30 | Correct | 166 ms | 960 KB | Output is correct |
| 31 | Correct | 153 ms | 968 KB | Output is correct |
| 32 | Correct | 174 ms | 856 KB | Output is correct |
| 33 | Correct | 285 ms | 1112 KB | Output is correct |
| 34 | Correct | 304 ms | 960 KB | Output is correct |
| 35 | Correct | 241 ms | 716 KB | Output is correct |
| 36 | Correct | 678 ms | 876 KB | Output is correct |
| 37 | Correct | 730 ms | 1208 KB | Output is correct |
| 38 | Correct | 764 ms | 1588 KB | Output is correct |
| 39 | Correct | 795 ms | 1604 KB | Output is correct |
| 40 | Correct | 730 ms | 1660 KB | Output is correct |
| 41 | Correct | 726 ms | 1016 KB | Output is correct |
| 42 | Correct | 772 ms | 1216 KB | Output is correct |
| 43 | Correct | 739 ms | 1628 KB | Output is correct |
| 44 | Correct | 674 ms | 1256 KB | Output is correct |
| 45 | Correct | 9 ms | 344 KB | Output is correct |
| 46 | Correct | 10 ms | 344 KB | Output is correct |
| 47 | Correct | 23 ms | 344 KB | Output is correct |
| 48 | Correct | 23 ms | 344 KB | Output is correct |
| 49 | Correct | 23 ms | 344 KB | Output is correct |
| 50 | Correct | 174 ms | 1212 KB | Output is correct |
| 51 | Correct | 190 ms | 952 KB | Output is correct |
| 52 | Correct | 160 ms | 704 KB | Output is correct |
| 53 | Correct | 293 ms | 1120 KB | Output is correct |
| 54 | Correct | 258 ms | 728 KB | Output is correct |
| 55 | Correct | 279 ms | 1376 KB | Output is correct |
| 56 | Correct | 769 ms | 1284 KB | Output is correct |
| 57 | Correct | 754 ms | 1496 KB | Output is correct |
| 58 | Correct | 743 ms | 1216 KB | Output is correct |
| 59 | Correct | 778 ms | 1556 KB | Output is correct |
| 60 | Correct | 747 ms | 1596 KB | Output is correct |
| 61 | Correct | 756 ms | 1260 KB | Output is correct |
| 62 | Correct | 747 ms | 1488 KB | Output is correct |
| 63 | Correct | 697 ms | 1424 KB | Output is correct |
| 64 | Correct | 716 ms | 1540 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 7 ms | 344 KB | Output is correct |
| 2 | Correct | 22 ms | 344 KB | Output is correct |
| 3 | Partially correct | 128 ms | 856 KB | Output is partially correct |
| 4 | Partially correct | 350 ms | 972 KB | Output is partially correct |
| 5 | Partially correct | 759 ms | 1784 KB | Output is partially correct |
| 6 | Correct | 6 ms | 344 KB | Output is correct |
| 7 | Correct | 21 ms | 344 KB | Output is correct |
| 8 | Partially correct | 129 ms | 600 KB | Output is partially correct |
| 9 | Partially correct | 296 ms | 968 KB | Output is partially correct |
| 10 | Partially correct | 717 ms | 1632 KB | Output is partially correct |
| 11 | Partially correct | 750 ms | 1652 KB | Output is partially correct |
| 12 | Partially correct | 721 ms | 1868 KB | Output is partially correct |
| 13 | Partially correct | 718 ms | 1892 KB | Output is partially correct |
| 14 | Correct | 7 ms | 344 KB | Output is correct |
| 15 | Correct | 12 ms | 344 KB | Output is correct |
| 16 | Correct | 41 ms | 344 KB | Output is correct |
| 17 | Partially correct | 78 ms | 444 KB | Output is partially correct |
| 18 | Partially correct | 137 ms | 868 KB | Output is partially correct |
| 19 | Partially correct | 267 ms | 600 KB | Output is partially correct |
| 20 | Partially correct | 295 ms | 856 KB | Output is partially correct |
| 21 | Correct | 10 ms | 344 KB | Output is correct |
| 22 | Correct | 8 ms | 344 KB | Output is correct |
| 23 | Correct | 22 ms | 344 KB | Output is correct |
| 24 | Correct | 25 ms | 344 KB | Output is correct |
| 25 | Correct | 17 ms | 344 KB | Output is correct |
| 26 | Partially correct | 153 ms | 716 KB | Output is partially correct |
| 27 | Partially correct | 176 ms | 708 KB | Output is partially correct |
| 28 | Partially correct | 164 ms | 444 KB | Output is partially correct |
| 29 | Partially correct | 276 ms | 856 KB | Output is partially correct |
| 30 | Partially correct | 252 ms | 1104 KB | Output is partially correct |
| 31 | Partially correct | 285 ms | 976 KB | Output is partially correct |
| 32 | Correct | 9 ms | 344 KB | Output is correct |
| 33 | Correct | 9 ms | 344 KB | Output is correct |
| 34 | Correct | 25 ms | 344 KB | Output is correct |
| 35 | Correct | 21 ms | 344 KB | Output is correct |
| 36 | Correct | 28 ms | 344 KB | Output is correct |
| 37 | Partially correct | 170 ms | 952 KB | Output is partially correct |
| 38 | Partially correct | 162 ms | 956 KB | Output is partially correct |
| 39 | Partially correct | 163 ms | 696 KB | Output is partially correct |
| 40 | Partially correct | 245 ms | 1220 KB | Output is partially correct |
| 41 | Partially correct | 274 ms | 1112 KB | Output is partially correct |
| 42 | Partially correct | 270 ms | 952 KB | Output is partially correct |
| 43 | Partially correct | 735 ms | 2232 KB | Output is partially correct |
| 44 | Partially correct | 696 ms | 1664 KB | Output is partially correct |
| 45 | Partially correct | 737 ms | 1696 KB | Output is partially correct |
| 46 | Partially correct | 729 ms | 1320 KB | Output is partially correct |
| 47 | Partially correct | 766 ms | 1036 KB | Output is partially correct |
| 48 | Partially correct | 781 ms | 1044 KB | Output is partially correct |
| 49 | Partially correct | 732 ms | 1776 KB | Output is partially correct |
| 50 | Partially correct | 740 ms | 1112 KB | Output is partially correct |
| 51 | Partially correct | 661 ms | 1484 KB | Output is partially correct |
| 52 | Partially correct | 667 ms | 992 KB | Output is partially correct |
| 53 | Partially correct | 765 ms | 1272 KB | Output is partially correct |
| 54 | Partially correct | 749 ms | 1452 KB | Output is partially correct |
| 55 | Partially correct | 727 ms | 1436 KB | Output is partially correct |
| 56 | Partially correct | 700 ms | 1456 KB | Output is partially correct |
| 57 | Partially correct | 676 ms | 1728 KB | Output is partially correct |
| 58 | Partially correct | 761 ms | 1444 KB | Output is partially correct |
| 59 | Partially correct | 711 ms | 1636 KB | Output is partially correct |
| 60 | Partially correct | 718 ms | 1292 KB | Output is partially correct |
| 61 | Partially correct | 739 ms | 1496 KB | Output is partially correct |
| 62 | Partially correct | 770 ms | 1104 KB | Output is partially correct |
| 63 | Partially correct | 817 ms | 1128 KB | Output is partially correct |
| 64 | Partially correct | 747 ms | 1832 KB | Output is partially correct |
| 65 | Partially correct | 739 ms | 1484 KB | Output is partially correct |
| 66 | Partially correct | 720 ms | 1312 KB | Output is partially correct |
| 67 | Partially correct | 700 ms | 1284 KB | Output is partially correct |
| 68 | Partially correct | 703 ms | 1112 KB | Output is partially correct |
| 69 | Partially correct | 710 ms | 1820 KB | Output is partially correct |
| 70 | Partially correct | 672 ms | 1992 KB | Output is partially correct |
| 71 | Partially correct | 659 ms | 1364 KB | Output is partially correct |
| 72 | Partially correct | 703 ms | 1540 KB | Output is partially correct |
| 73 | Partially correct | 705 ms | 1800 KB | Output is partially correct |
| 74 | Partially correct | 648 ms | 1700 KB | Output is partially correct |
| 75 | Partially correct | 624 ms | 856 KB | Output is partially correct |
| 76 | Partially correct | 685 ms | 864 KB | Output is partially correct |
| 77 | Partially correct | 710 ms | 1388 KB | Output is partially correct |
| 78 | Partially correct | 733 ms | 1800 KB | Output is partially correct |
| 79 | Partially correct | 714 ms | 1564 KB | Output is partially correct |
| 80 | Partially correct | 715 ms | 1568 KB | Output is partially correct |
| 81 | Partially correct | 709 ms | 1004 KB | Output is partially correct |
| 82 | Partially correct | 677 ms | 1528 KB | Output is partially correct |