#include <bits/stdc++.h>
using namespace std;
typedef long long int64;
typedef pair<int,int> pii;
typedef pair<int64,int> pii32;
typedef pair<int64,int64> pii64;
#define PB push_back
#define MP make_pair
#define F first
#define S second
#define sz(x) ((int)(x).size())
#define all(x) (x).begin(),(x).end()
const int maxn = 1e5+10;
const int lg = 18;
const int64 MO = 1e9+7;
const int64 IN = 1e9;
set <pii> s1;
vector <int> g[maxn];
int mn[maxn], fins[maxn], fine[maxn], fen[maxn], par[maxn][lg];
int n, q;
bool cmp (int id1, int id2) {
return (mn[id1] < mn[id2]);
}
void upd (int x, int val) {
for (; x < maxn; x += x&-x)
fen[x] += val;
return;
}
int get (int x) {
int res = 0;
for (; x; x -= x&-x)
res += fen[x];
return res;
}
int dfs0 (int v) {
mn[v] = IN;
for (auto u : g[v])
mn[v] = min(mn[v], dfs0(u));
sort(all(g[v]), cmp);
mn[v] = min(mn[v], v);
return mn[v];
}
int dfs (int v, int ftime = 1, int parent = -1) {
par[v][0] = parent;
fins[v] = ftime;
for (int i = 1; i < lg; i++)
if (par[v][i - 1] + 1)
par[v][i] = par[par[v][i - 1]][i - 1];
for (auto u : g[v])
ftime = dfs(u, ftime, v);
fine[v] = ftime;
return ftime + 1;
}
int getver (int v, int k) {
for (int i = lg - 1; i >= 0; i--)
if (k <= (1 << i)) {
v = par[v][i];
k -= (1 << i);
}
return v;
}
void del (int v) {
upd(fins[v], -1);
upd(fine[v], 1);
s1.insert(MP(fine[v], v));
return;
}
int main () {
ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cin >> n >> q;
int r = -1;
for (int i = 0; i < n; i++) {
int p;
cin >> p;
--p;
if (p == -1)
r = i;
else
g[p].PB(i);
}
memset(par, -1, sizeof par);
dfs0(r);
dfs(r);
for (int i = 0; i < n; i++)
s1.insert(MP(fine[i], i));
for (int i = 0; i < q; i++) {
int type, k, v, ans = -85;
cin >> type;
if (type == 1) {
cin >> k;
for (int t = 0; t < k; t++) {
int v = s1.begin()->S;
ans = v;
s1.erase(*s1.begin());
upd(fins[v], 1);
upd(fine[v], -1);
}
cout << ans + 1 << "\n";
}
if (type == 2) {
cin >> v;
--v;
cout << get(fine[v]) << "\n";
del(getver(v, get(fine[v])));
}
}
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Runtime error |
21 ms |
19328 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 2 |
Execution timed out |
1085 ms |
15352 KB |
Time limit exceeded |
| 3 |
Runtime error |
76 ms |
29788 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 4 |
Runtime error |
21 ms |
19448 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 5 |
Runtime error |
20 ms |
19328 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 6 |
Runtime error |
22 ms |
19584 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 7 |
Incorrect |
11 ms |
9984 KB |
Output isn't correct |
| 8 |
Incorrect |
12 ms |
9856 KB |
Output isn't correct |
| 9 |
Incorrect |
16 ms |
10112 KB |
Output isn't correct |
| 10 |
Runtime error |
33 ms |
22264 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 11 |
Incorrect |
123 ms |
16336 KB |
Output isn't correct |
| 12 |
Runtime error |
74 ms |
29688 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 13 |
Incorrect |
113 ms |
16632 KB |
Output isn't correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
54 ms |
13428 KB |
Output isn't correct |
| 2 |
Incorrect |
223 ms |
23196 KB |
Output isn't correct |
| 3 |
Execution timed out |
1073 ms |
17780 KB |
Time limit exceeded |
| 4 |
Incorrect |
81 ms |
14328 KB |
Output isn't correct |
| 5 |
Incorrect |
78 ms |
14328 KB |
Output isn't correct |
| 6 |
Incorrect |
75 ms |
14440 KB |
Output isn't correct |
| 7 |
Incorrect |
72 ms |
13816 KB |
Output isn't correct |
| 8 |
Incorrect |
51 ms |
13432 KB |
Output isn't correct |
| 9 |
Incorrect |
398 ms |
23292 KB |
Output isn't correct |
| 10 |
Incorrect |
224 ms |
23100 KB |
Output isn't correct |
| 11 |
Incorrect |
204 ms |
23160 KB |
Output isn't correct |
| 12 |
Incorrect |
193 ms |
21244 KB |
Output isn't correct |
| 13 |
Incorrect |
173 ms |
25084 KB |
Output isn't correct |
| 14 |
Execution timed out |
1080 ms |
17776 KB |
Time limit exceeded |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
79 ms |
16504 KB |
Output isn't correct |
| 2 |
Incorrect |
191 ms |
21480 KB |
Output isn't correct |
| 3 |
Incorrect |
161 ms |
23544 KB |
Output isn't correct |
| 4 |
Incorrect |
134 ms |
20216 KB |
Output isn't correct |
| 5 |
Incorrect |
150 ms |
20100 KB |
Output isn't correct |
| 6 |
Incorrect |
139 ms |
20088 KB |
Output isn't correct |
| 7 |
Incorrect |
139 ms |
18908 KB |
Output isn't correct |
| 8 |
Incorrect |
151 ms |
23416 KB |
Output isn't correct |
| 9 |
Incorrect |
200 ms |
23436 KB |
Output isn't correct |
| 10 |
Incorrect |
202 ms |
23032 KB |
Output isn't correct |
| 11 |
Incorrect |
212 ms |
23172 KB |
Output isn't correct |
| 12 |
Incorrect |
215 ms |
21496 KB |
Output isn't correct |
| 13 |
Incorrect |
220 ms |
27256 KB |
Output isn't correct |
| 14 |
Runtime error |
120 ms |
35316 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Execution timed out |
1070 ms |
21952 KB |
Time limit exceeded |
| 2 |
Incorrect |
226 ms |
21552 KB |
Output isn't correct |
| 3 |
Incorrect |
242 ms |
26780 KB |
Output isn't correct |
| 4 |
Execution timed out |
1080 ms |
21880 KB |
Time limit exceeded |
| 5 |
Incorrect |
212 ms |
23140 KB |
Output isn't correct |
| 6 |
Incorrect |
215 ms |
23160 KB |
Output isn't correct |
| 7 |
Incorrect |
204 ms |
21496 KB |
Output isn't correct |
| 8 |
Incorrect |
206 ms |
26748 KB |
Output isn't correct |
| 9 |
Runtime error |
94 ms |
34672 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
