# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
396607 | 2021-04-30T12:26:53 Z | Berted | Teleporters (IOI08_teleporters) | C++14 | 732 ms | 38864 KB |
#include <iostream> #include <algorithm> #include <vector> #include <bitset> #define pii pair<int, int> #define fst first #define snd second using namespace std; const int MX = 2000000; int N, K, res = 0; int nex[MX + 5]; pii A[MX + 5]; bitset<MX + 5> vis; vector<int> cyc; int main() { ios :: sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> N >> K; for (int i = 0; i < N; i++) { cin >> A[2 * i].fst >> A[2 * i].snd; A[2 * i + 1] = {A[2 * i].snd, A[2 * i].fst}; } A[2 * N] = {0, 0}; A[2 * N + 1] = {MX + 1, -1}; sort(A, A + 2 * N + 2); for (int i = 0; i < 2 * N + 2; i++) { if (A[i].snd != -1) nex[i] = upper_bound(A, A + 2 * N + 2, make_pair(A[i].snd, MX + 1)) - A; else nex[i] = -1; } int u = 0; while (u != -1) {res++; vis[u] = 1; u = nex[u];} for (int i = 0; i < 2 * N + 2; i++) { if (!vis[i]) { u = i; int s = 0; while (!vis[u]) {vis[u] = 1; u = nex[u]; s++;} cyc.push_back(s); } } sort(cyc.begin(), cyc.end(), greater<int>()); for (int i = 0; i < cyc.size() && K > 0; i++, K--) res += cyc[i] + 2; cout << res + 4 * (K / 2) + (K % 2) - 2 << "\n"; return 0; }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 332 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 332 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 332 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 336 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 332 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 332 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 332 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 332 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 332 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 332 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 336 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 2 ms | 460 KB | Output is correct |
2 | Correct | 6 ms | 724 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 3 ms | 460 KB | Output is correct |
2 | Correct | 7 ms | 716 KB | Output is correct |
3 | Correct | 14 ms | 1352 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 8 ms | 792 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 10 ms | 848 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 73 ms | 3812 KB | Output is correct |
2 | Correct | 197 ms | 8200 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 130 ms | 6088 KB | Output is correct |
2 | Correct | 337 ms | 11784 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 395 ms | 17344 KB | Output is correct |
2 | Correct | 518 ms | 20392 KB | Output is correct |
3 | Correct | 448 ms | 24128 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 689 ms | 23512 KB | Output is correct |
2 | Correct | 722 ms | 38864 KB | Output is correct |
3 | Correct | 531 ms | 38084 KB | Output is correct |
4 | Correct | 557 ms | 38456 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 732 ms | 28368 KB | Output is correct |
2 | Correct | 708 ms | 28376 KB | Output is correct |
3 | Correct | 469 ms | 28228 KB | Output is correct |
4 | Correct | 547 ms | 28476 KB | Output is correct |