| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 894703 | 2023-12-28T18:14:01 Z | JeanBombeur | Longest Trip (IOI23_longesttrip) | C++17 | 839 ms | 2208 KB |
#include "longesttrip.h"
#include <vector>
#include <cstdio>
#include <algorithm>
using namespace std;
// <|°_°|>
const int MAX_NODES = 256;
bool Edge[MAX_NODES][MAX_NODES];
vector <int> Adj[MAX_NODES];
vector <int> Path;
int Seen[MAX_NODES];
int Dfs(int node) {
if (Seen[node])
return 0;
Path.push_back(node);
int ans = Seen[node] = 1;
for (int dest : Adj[node])
ans += Dfs(dest);
return ans;
}
vector <int> longest_trip(int nbNodes, int density) {
for (int i = 0; i < nbNodes; i ++)
{
Adj[i].clear();
fill_n(Edge[i], nbNodes, 0);
}
Path.clear();
fill_n(Seen, nbNodes, 0);
for (int i = 0; i < nbNodes; i ++)
{
for (int j = i + 1; j < nbNodes; j ++)
{
if (are_connected({i}, {j}))
{
Edge[i][j] = Edge[j][i] = 1;
Adj[i].push_back(j);
Adj[j].push_back(i);
}
}
}
int n = Dfs(0);
if (n != nbNodes)
{
int first = (2 * n) >= nbNodes;
vector <int> v;
for (int i = 0; i < nbNodes; i ++)
{
if (Seen[i] == first)
v.push_back(i);
}
return v;
}
vector <int> v = {0};
for (int a : Path)
{
if (!a)
continue;
if (Edge[v.back()][a])
v.push_back(a);
else if (Edge[v[0]][a])
{
reverse(v.begin(), v.end());
v.push_back(a);
}
else
{
vector <int> nv;
while (!Edge[a][v.back()])
{
nv.push_back(v.back());
v.pop_back();
}
v.push_back(a);
reverse(v.begin(), v.end());
for (int a : nv)
v.push_back(a);
}
}
return v;
}
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 344 KB | Output is correct |
| 2 | Correct | 169 ms | 1248 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 8 ms | 344 KB | Output is correct |
| 2 | Correct | 21 ms | 344 KB | Output is correct |
| 3 | Correct | 123 ms | 708 KB | Output is correct |
| 4 | Correct | 358 ms | 1140 KB | Output is correct |
| 5 | Correct | 735 ms | 1424 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 7 ms | 344 KB | Output is correct |
| 2 | Correct | 30 ms | 344 KB | Output is correct |
| 3 | Correct | 128 ms | 712 KB | Output is correct |
| 4 | Correct | 386 ms | 1392 KB | Output is correct |
| 5 | Correct | 773 ms | 1532 KB | Output is correct |
| 6 | Correct | 8 ms | 344 KB | Output is correct |
| 7 | Correct | 20 ms | 344 KB | Output is correct |
| 8 | Correct | 118 ms | 608 KB | Output is correct |
| 9 | Correct | 254 ms | 848 KB | Output is correct |
| 10 | Correct | 675 ms | 1564 KB | Output is correct |
| 11 | Correct | 805 ms | 1188 KB | Output is correct |
| 12 | Correct | 722 ms | 1368 KB | Output is correct |
| 13 | Correct | 728 ms | 1656 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 8 ms | 344 KB | Output is correct |
| 2 | Correct | 18 ms | 340 KB | Output is correct |
| 3 | Correct | 122 ms | 856 KB | Output is correct |
| 4 | Correct | 341 ms | 996 KB | Output is correct |
| 5 | Correct | 706 ms | 1440 KB | Output is correct |
| 6 | Correct | 8 ms | 344 KB | Output is correct |
| 7 | Correct | 19 ms | 344 KB | Output is correct |
| 8 | Correct | 107 ms | 704 KB | Output is correct |
| 9 | Correct | 264 ms | 1124 KB | Output is correct |
| 10 | Correct | 728 ms | 1832 KB | Output is correct |
| 11 | Correct | 648 ms | 1804 KB | Output is correct |
| 12 | Correct | 723 ms | 1428 KB | Output is correct |
| 13 | Correct | 723 ms | 1364 KB | Output is correct |
| 14 | Correct | 7 ms | 344 KB | Output is correct |
| 15 | Correct | 9 ms | 596 KB | Output is correct |
| 16 | Correct | 48 ms | 344 KB | Output is correct |
| 17 | Correct | 69 ms | 856 KB | Output is correct |
| 18 | Correct | 126 ms | 968 KB | Output is correct |
| 19 | Correct | 278 ms | 976 KB | Output is correct |
| 20 | Correct | 260 ms | 980 KB | Output is correct |
| 21 | Correct | 753 ms | 1428 KB | Output is correct |
| 22 | Correct | 747 ms | 1792 KB | Output is correct |
| 23 | Correct | 742 ms | 1452 KB | Output is correct |
| 24 | Correct | 748 ms | 1728 KB | Output is correct |
| 25 | Correct | 10 ms | 344 KB | Output is correct |
| 26 | Correct | 9 ms | 344 KB | Output is correct |
| 27 | Correct | 25 ms | 344 KB | Output is correct |
| 28 | Correct | 23 ms | 344 KB | Output is correct |
| 29 | Correct | 23 ms | 344 KB | Output is correct |
| 30 | Correct | 165 ms | 868 KB | Output is correct |
| 31 | Correct | 163 ms | 856 KB | Output is correct |
| 32 | Correct | 196 ms | 856 KB | Output is correct |
| 33 | Correct | 290 ms | 972 KB | Output is correct |
| 34 | Correct | 264 ms | 864 KB | Output is correct |
| 35 | Correct | 285 ms | 1112 KB | Output is correct |
| 36 | Correct | 745 ms | 1432 KB | Output is correct |
| 37 | Correct | 730 ms | 1372 KB | Output is correct |
| 38 | Correct | 752 ms | 1360 KB | Output is correct |
| 39 | Correct | 750 ms | 1740 KB | Output is correct |
| 40 | Correct | 675 ms | 1656 KB | Output is correct |
| 41 | Correct | 730 ms | 1104 KB | Output is correct |
| 42 | Correct | 703 ms | 1340 KB | Output is correct |
| 43 | Correct | 714 ms | 1828 KB | Output is correct |
| 44 | Correct | 709 ms | 1636 KB | Output is correct |
| 45 | Correct | 7 ms | 344 KB | Output is correct |
| 46 | Correct | 7 ms | 344 KB | Output is correct |
| 47 | Correct | 24 ms | 344 KB | Output is correct |
| 48 | Correct | 17 ms | 344 KB | Output is correct |
| 49 | Correct | 21 ms | 344 KB | Output is correct |
| 50 | Correct | 163 ms | 856 KB | Output is correct |
| 51 | Correct | 160 ms | 1228 KB | Output is correct |
| 52 | Correct | 161 ms | 600 KB | Output is correct |
| 53 | Correct | 293 ms | 712 KB | Output is correct |
| 54 | Correct | 255 ms | 764 KB | Output is correct |
| 55 | Correct | 255 ms | 600 KB | Output is correct |
| 56 | Correct | 709 ms | 1624 KB | Output is correct |
| 57 | Correct | 759 ms | 1220 KB | Output is correct |
| 58 | Correct | 742 ms | 1380 KB | Output is correct |
| 59 | Correct | 738 ms | 1368 KB | Output is correct |
| 60 | Correct | 751 ms | 1676 KB | Output is correct |
| 61 | Correct | 812 ms | 1284 KB | Output is correct |
| 62 | Correct | 760 ms | 1292 KB | Output is correct |
| 63 | Correct | 766 ms | 1732 KB | Output is correct |
| 64 | Correct | 788 ms | 1540 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 6 ms | 344 KB | Output is correct |
| 2 | Correct | 17 ms | 344 KB | Output is correct |
| 3 | Partially correct | 113 ms | 1112 KB | Output is partially correct |
| 4 | Partially correct | 329 ms | 1632 KB | Output is partially correct |
| 5 | Partially correct | 794 ms | 1192 KB | Output is partially correct |
| 6 | Correct | 8 ms | 344 KB | Output is correct |
| 7 | Correct | 25 ms | 344 KB | Output is correct |
| 8 | Partially correct | 116 ms | 708 KB | Output is partially correct |
| 9 | Partially correct | 261 ms | 1112 KB | Output is partially correct |
| 10 | Partially correct | 685 ms | 1816 KB | Output is partially correct |
| 11 | Partially correct | 745 ms | 1408 KB | Output is partially correct |
| 12 | Partially correct | 833 ms | 1152 KB | Output is partially correct |
| 13 | Partially correct | 800 ms | 1124 KB | Output is partially correct |
| 14 | Correct | 7 ms | 344 KB | Output is correct |
| 15 | Correct | 9 ms | 344 KB | Output is correct |
| 16 | Correct | 41 ms | 340 KB | Output is correct |
| 17 | Partially correct | 80 ms | 600 KB | Output is partially correct |
| 18 | Partially correct | 148 ms | 852 KB | Output is partially correct |
| 19 | Partially correct | 228 ms | 856 KB | Output is partially correct |
| 20 | Partially correct | 277 ms | 984 KB | Output is partially correct |
| 21 | Correct | 7 ms | 344 KB | Output is correct |
| 22 | Correct | 10 ms | 344 KB | Output is correct |
| 23 | Correct | 23 ms | 344 KB | Output is correct |
| 24 | Correct | 31 ms | 344 KB | Output is correct |
| 25 | Correct | 24 ms | 344 KB | Output is correct |
| 26 | Partially correct | 159 ms | 856 KB | Output is partially correct |
| 27 | Partially correct | 172 ms | 616 KB | Output is partially correct |
| 28 | Partially correct | 170 ms | 600 KB | Output is partially correct |
| 29 | Partially correct | 290 ms | 1112 KB | Output is partially correct |
| 30 | Partially correct | 231 ms | 848 KB | Output is partially correct |
| 31 | Partially correct | 274 ms | 496 KB | Output is partially correct |
| 32 | Correct | 6 ms | 344 KB | Output is correct |
| 33 | Correct | 11 ms | 344 KB | Output is correct |
| 34 | Correct | 21 ms | 344 KB | Output is correct |
| 35 | Correct | 24 ms | 344 KB | Output is correct |
| 36 | Correct | 25 ms | 344 KB | Output is correct |
| 37 | Partially correct | 166 ms | 968 KB | Output is partially correct |
| 38 | Partially correct | 168 ms | 720 KB | Output is partially correct |
| 39 | Partially correct | 167 ms | 1108 KB | Output is partially correct |
| 40 | Partially correct | 270 ms | 1120 KB | Output is partially correct |
| 41 | Partially correct | 284 ms | 748 KB | Output is partially correct |
| 42 | Partially correct | 261 ms | 1136 KB | Output is partially correct |
| 43 | Partially correct | 742 ms | 1684 KB | Output is partially correct |
| 44 | Partially correct | 743 ms | 1980 KB | Output is partially correct |
| 45 | Partially correct | 747 ms | 2208 KB | Output is partially correct |
| 46 | Partially correct | 722 ms | 1952 KB | Output is partially correct |
| 47 | Partially correct | 729 ms | 1112 KB | Output is partially correct |
| 48 | Partially correct | 709 ms | 1348 KB | Output is partially correct |
| 49 | Partially correct | 759 ms | 1412 KB | Output is partially correct |
| 50 | Partially correct | 718 ms | 1676 KB | Output is partially correct |
| 51 | Partially correct | 735 ms | 1644 KB | Output is partially correct |
| 52 | Partially correct | 839 ms | 1188 KB | Output is partially correct |
| 53 | Partially correct | 744 ms | 1352 KB | Output is partially correct |
| 54 | Partially correct | 768 ms | 1416 KB | Output is partially correct |
| 55 | Partially correct | 728 ms | 1492 KB | Output is partially correct |
| 56 | Partially correct | 721 ms | 1520 KB | Output is partially correct |
| 57 | Partially correct | 724 ms | 1912 KB | Output is partially correct |
| 58 | Partially correct | 718 ms | 1476 KB | Output is partially correct |
| 59 | Partially correct | 711 ms | 1596 KB | Output is partially correct |
| 60 | Partially correct | 711 ms | 1112 KB | Output is partially correct |
| 61 | Partially correct | 703 ms | 1504 KB | Output is partially correct |
| 62 | Partially correct | 764 ms | 1128 KB | Output is partially correct |
| 63 | Partially correct | 826 ms | 1184 KB | Output is partially correct |
| 64 | Partially correct | 728 ms | 1844 KB | Output is partially correct |
| 65 | Partially correct | 722 ms | 1424 KB | Output is partially correct |
| 66 | Partially correct | 718 ms | 1624 KB | Output is partially correct |
| 67 | Partially correct | 718 ms | 1360 KB | Output is partially correct |
| 68 | Partially correct | 765 ms | 1520 KB | Output is partially correct |
| 69 | Partially correct | 705 ms | 1424 KB | Output is partially correct |
| 70 | Partially correct | 722 ms | 1520 KB | Output is partially correct |
| 71 | Partially correct | 750 ms | 1680 KB | Output is partially correct |
| 72 | Partially correct | 812 ms | 1700 KB | Output is partially correct |
| 73 | Partially correct | 732 ms | 1664 KB | Output is partially correct |
| 74 | Partially correct | 702 ms | 1908 KB | Output is partially correct |
| 75 | Partially correct | 733 ms | 1572 KB | Output is partially correct |
| 76 | Partially correct | 736 ms | 1372 KB | Output is partially correct |
| 77 | Partially correct | 701 ms | 1360 KB | Output is partially correct |
| 78 | Partially correct | 747 ms | 1712 KB | Output is partially correct |
| 79 | Partially correct | 696 ms | 1420 KB | Output is partially correct |
| 80 | Partially correct | 708 ms | 1316 KB | Output is partially correct |
| 81 | Partially correct | 695 ms | 1116 KB | Output is partially correct |
| 82 | Partially correct | 708 ms | 1608 KB | Output is partially correct |