| 23717 | 2026-01-28 09:15:26 | PappMatyas | Bizonyítás | cpp17 | Time limit exceeded 25/50 | 1.1s | 8612 KiB |
#include <iostream>
#include <vector>
using namespace std;
vector<vector<int>> v;
vector<bool> done;
static bool Connects(int x, int y)
{
if (done[x])
{
return false;
}
if (x == y)
{
return true;
}
done[x] = true;
int s = v[x].size();
for (int i = s - 1; i >= 0; i--)
{
if (Connects(v[x][i], y))
{
int c = v[x][i];
v[x].erase(v[x].begin() + i);
v[x].push_back(c);
return true;
}
}
return false;
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n, q;
cin >> n >> q;
vector<string> ans;
done = vector<bool>(n);
for (int i = 0; i < n; i++)
{
v.push_back(vector<int>{});
}
for (int i = 0; i < q; i++)
{
int t, x, y;
cin >> t >> x >> y;
x--; y--;
if (t == 2)
{
fill(done.begin(), done.end(), false);
ans.push_back(Connects(x, y) ? "IGEN" : "NEM");
}
else
{
v[x].push_back(y);
}
}
for (string k : ans)
{
cout << k << "\n";
}
}| Subtask | Sum | Test | Verdict | Time | Memory | ||
|---|---|---|---|---|---|---|---|
| subtask1 | 0/0 | ||||||
| 1 | Accepted | 1ms | 316 KiB | ||||
| 2 | Accepted | 998ms | 5076 KiB | ||||
| subtask2 | 10/10 | ||||||
| 3 | Accepted | 3ms | 508 KiB | ||||
| 4 | Accepted | 14ms | 820 KiB | ||||
| 5 | Accepted | 156ms | 1512 KiB | ||||
| 6 | Accepted | 71ms | 1056 KiB | ||||
| 7 | Accepted | 108ms | 1524 KiB | ||||
| 8 | Accepted | 1ms | 316 KiB | ||||
| 9 | Accepted | 2ms | 316 KiB | ||||
| 10 | Accepted | 19ms | 836 KiB | ||||
| 11 | Accepted | 85ms | 1516 KiB | ||||
| 12 | Accepted | 120ms | 992 KiB | ||||
| subtask3 | 15/15 | ||||||
| 13 | Accepted | 2ms | 316 KiB | ||||
| 14 | Accepted | 2ms | 316 KiB | ||||
| 15 | Accepted | 1ms | 316 KiB | ||||
| 16 | Accepted | 2ms | 512 KiB | ||||
| 17 | Accepted | 1ms | 396 KiB | ||||
| 18 | Accepted | 1ms | 316 KiB | ||||
| 19 | Accepted | 1ms | 316 KiB | ||||
| 20 | Accepted | 1ms | 316 KiB | ||||
| 21 | Accepted | 1ms | 316 KiB | ||||
| 22 | Accepted | 1ms | 316 KiB | ||||
| 23 | Accepted | 1ms | 508 KiB | ||||
| 24 | Accepted | 1ms | 500 KiB | ||||
| 25 | Accepted | 1ms | 316 KiB | ||||
| 26 | Accepted | 2ms | 332 KiB | ||||
| 27 | Accepted | 1ms | 316 KiB | ||||
| 28 | Accepted | 2ms | 620 KiB | ||||
| 29 | Accepted | 1ms | 456 KiB | ||||
| 30 | Accepted | 1ms | 316 KiB | ||||
| 31 | Accepted | 1ms | 500 KiB | ||||
| 32 | Accepted | 1ms | 316 KiB | ||||
| 33 | Accepted | 1ms | 316 KiB | ||||
| 34 | Accepted | 1ms | 316 KiB | ||||
| 35 | Accepted | 1ms | 316 KiB | ||||
| 36 | Accepted | 2ms | 500 KiB | ||||
| 37 | Accepted | 1ms | 316 KiB | ||||
| 38 | Accepted | 1ms | 316 KiB | ||||
| subtask4 | 0/25 | ||||||
| 39 | Accepted | 2ms | 316 KiB | ||||
| 40 | Accepted | 999ms | 5176 KiB | ||||
| 41 | Accepted | 3ms | 508 KiB | ||||
| 42 | Accepted | 14ms | 820 KiB | ||||
| 43 | Accepted | 156ms | 1512 KiB | ||||
| 44 | Accepted | 71ms | 1056 KiB | ||||
| 45 | Accepted | 108ms | 1524 KiB | ||||
| 46 | Accepted | 1ms | 316 KiB | ||||
| 47 | Accepted | 2ms | 316 KiB | ||||
| 48 | Accepted | 19ms | 836 KiB | ||||
| 49 | Accepted | 85ms | 1516 KiB | ||||
| 50 | Accepted | 120ms | 992 KiB | ||||
| 51 | Accepted | 2ms | 316 KiB | ||||
| 52 | Accepted | 1ms | 316 KiB | ||||
| 53 | Accepted | 2ms | 512 KiB | ||||
| 54 | Accepted | 1ms | 396 KiB | ||||
| 55 | Accepted | 1ms | 316 KiB | ||||
| 56 | Accepted | 1ms | 316 KiB | ||||
| 57 | Accepted | 1ms | 316 KiB | ||||
| 58 | Accepted | 1ms | 316 KiB | ||||
| 59 | Accepted | 1ms | 316 KiB | ||||
| 60 | Accepted | 1ms | 508 KiB | ||||
| 61 | Accepted | 1ms | 500 KiB | ||||
| 62 | Accepted | 1ms | 316 KiB | ||||
| 63 | Accepted | 2ms | 332 KiB | ||||
| 64 | Accepted | 1ms | 316 KiB | ||||
| 65 | Accepted | 2ms | 620 KiB | ||||
| 66 | Accepted | 1ms | 456 KiB | ||||
| 67 | Accepted | 1ms | 316 KiB | ||||
| 68 | Accepted | 1ms | 500 KiB | ||||
| 69 | Accepted | 1ms | 316 KiB | ||||
| 70 | Accepted | 1ms | 316 KiB | ||||
| 71 | Accepted | 1ms | 316 KiB | ||||
| 72 | Accepted | 1ms | 316 KiB | ||||
| 73 | Accepted | 2ms | 500 KiB | ||||
| 74 | Accepted | 1ms | 316 KiB | ||||
| 75 | Accepted | 1ms | 316 KiB | ||||
| 76 | Accepted | 98ms | 4516 KiB | ||||
| 77 | Accepted | 37ms | 824 KiB | ||||
| 78 | Accepted | 796ms | 4824 KiB | ||||
| 79 | Accepted | 37ms | 820 KiB | ||||
| 80 | Accepted | 462ms | 4812 KiB | ||||
| 81 | Accepted | 130ms | 2780 KiB | ||||
| 82 | Accepted | 156ms | 2492 KiB | ||||
| 83 | Accepted | 81ms | 1280 KiB | ||||
| 84 | Accepted | 203ms | 2788 KiB | ||||
| 85 | Accepted | 423ms | 2800 KiB | ||||
| 86 | Accepted | 284ms | 4652 KiB | ||||
| 87 | Accepted | 451ms | 4816 KiB | ||||
| 88 | Accepted | 101ms | 1572 KiB | ||||
| 89 | Accepted | 105ms | 1540 KiB | ||||
| 90 | Accepted | 83ms | 8608 KiB | ||||
| 91 | Accepted | 446ms | 3248 KiB | ||||
| 92 | Accepted | 82ms | 8608 KiB | ||||
| 93 | Accepted | 412ms | 3056 KiB | ||||
| 94 | Accepted | 82ms | 8612 KiB | ||||
| 95 | Time limit exceeded | 1.08s | 820 KiB | ||||
| 96 | Time limit exceeded | 1.088s | 1076 KiB | ||||
| 97 | Time limit exceeded | 1.1s | 1264 KiB | ||||
| 98 | Time limit exceeded | 1.078s | 956 KiB | ||||
| 99 | Time limit exceeded | 1.087s | 912 KiB | ||||
| 100 | Time limit exceeded | 1.085s | 1532 KiB | ||||
| 101 | Time limit exceeded | 1.1s | 1780 KiB | ||||
| 102 | Time limit exceeded | 1.082s | 1796 KiB | ||||
| 103 | Time limit exceeded | 1.08s | 1544 KiB | ||||
| 104 | Time limit exceeded | 1.082s | 1764 KiB | ||||