//////////////////////////////// Mher777
/* -------------------- Includes -------------------- */
#include <iostream>
#include <iomanip>
#include <array>
#include <string>
#include <algorithm>
#include <cmath>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <vector>
#include <stack>
#include <queue>
#include <deque>
#include <bitset>
#include <list>
#include <iterator>
#include <numeric>
#include <complex>
#include <utility>
#include <random>
#include <fstream>
#pragma warning(disable : 4996)
#pragma warning(disable : 6031)
using namespace std;
/* -------------------- Typedefs -------------------- */
typedef int itn;
typedef long long ll;
typedef unsigned long long ull;
typedef float fl;
typedef double db;
typedef long double ld;
/* -------------------- Usings -------------------- */
using vi = vector<int>;
using vll = vector<ll>;
using mii = map<int, int>;
using mll = map<ll, ll>;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
/* -------------------- Defines -------------------- */
#define ff first
#define ss second
#define pub push_back
#define pob pop_back
#define puf push_front
#define pof pop_front
#define mpr make_pair
#define yes cout<<"YES\n"
#define no cout<<"NO\n"
#define all(x) (x).begin(), (x).end()
/* -------------------- Constants -------------------- */
const int MAX = int(1e9 + 5);
const ll MAXL = ll(1e18 + 5);
const ll MOD = ll(1e9 + 7);
const ll MOD2 = ll(998244353);
/* -------------------- Functions -------------------- */
void fastio() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
return;
}
void precision(int x) {
cout.setf(ios::fixed | ios::showpoint);
cout.precision(x);
return;
}
ull gcd(ull a, ull b) {
while (b) {
a %= b;
swap(a, b);
}
return a;
}
ull lcm(ull a, ull b) {
return a / gcd(a, b) * b;
}
ll range_sum(ll a, ll b) {
ll dif = a - 1, cnt = b - a + 1;
ll ans = ((b - a + 1) * (b - a + 2)) / 2;
ans += ((b - a + 1) * dif);
return ans;
}
string dec_to_bin(ll a) {
string s = "";
for (ll i = a; i > 0; ) {
ll k = i % 2;
i /= 2;
char c = k + 48;
s += c;
}
if (a == 0) {
s = "0";
}
reverse(all(s));
return s;
}
ll bin_to_dec(string s) {
ll num = 0;
for (int i = 0; i < s.size(); i++) {
num *= 2ll;
num += (s[i] - '0');
}
return num;
}
bool isPrime(ll a) {
if (a == 1) {
return false;
}
for (ll i = 2; i * i <= a; i++) {
if (a % i == 0) {
return false;
}
}
return true;
}
int dig_sum(ll a) {
int sum = 0;
while (a) {
sum += int(a % 10);
a /= 10;
}
return sum;
}
ll binpow(ll a, int b) {
ll ans = 1;
while (b) {
if ((b & 1) == 1) {
ans *= a;
}
b >>= 1;
a *= a;
}
return ans;
}
ll binpow_by_mod(ll a, ll b, ll mod) {
ll ans = 1;
while (b) {
if ((b & 1) == 1) {
ans *= a;
ans %= mod;
}
b >>= 1;
a *= a;
a %= mod;
}
return ans;
}
ll factorial(int a) {
ll ans = 1;
for (int i = 2; i <= a; i++) {
ans *= ll(i);
}
return ans;
}
ll factorial_by_mod(int a, ll mod) {
ll ans = 1;
for (int i = 2; i <= a; i++) {
ans *= ll(i);
ans %= mod;
}
return ans;
}
/* -------------------- Solution -------------------- */
const int N = 200005;
vi g[N];
set<int> ans[N], id[N];
int a[N], used[N], pox[N], tin[N], tout[N], num, l, timer;
vector<vi> up;
void dfs(int u, int v = 0) {
used[u] = 1, pox[u] = num++, tin[u] = timer++;
up[u][0] = v;
for (int i = 1; i <= l; i++) {
up[u][i] = up[up[u][i - 1]][i - 1];
}
for (auto to : g[u]) {
if (!used[to]) dfs(to, u);
}
tout[u] = timer++;
}
bool upper(int u, int v) {
return tin[u] <= tin[v] && tout[u] >= tin[v];
}
int lca(int u, int v) {
if (upper(u, v)) return u;
if (upper(v, u)) return v;
for (int i = l; i >= 0; i--) {
if (!upper(up[u][i], v)) u = up[u][i];
}
return up[u][0];
}
void slv() {
int n, m, q;
cin >> n >> m >> q;
for (int i = 0; i < n - 1; i++) {
int x, y;
cin >> x >> y;
x--, y--;
g[x].pub(y);
g[y].pub(x);
}
l = log2(n) + 2;
up.resize(n);
for (int i = 0; i < n; i++) up[i].resize(l + 1);
dfs(0);
for (int i = 0; i < m; i++) {
cin >> a[i];
a[i]--;
a[i] = pox[a[i]];
id[a[i]].insert(i);
if (i > 0) {
ans[lca(a[i], a[i - 1])].insert(i - 1);
}
}
while (q--) {
int tp;
cin >> tp;
if (tp == 1) {
int pos, x;
cin >> pos >> x;
pos--, x--;
id[a[pos]].erase(pos);
id[pox[x]].insert(pos);
if (pos < m - 1) {
ans[lca(a[pos], a[pos + 1])].erase(pos);
ans[lca(pox[x], a[pos + 1])].insert(pos);
}
if (pos > 0) {
ans[lca(a[pos], a[pos - 1])].erase(pos - 1);
ans[lca(pox[x], a[pos - 1])].insert(pos - 1);
}
a[pos] = pox[x];
}
else {
int l, r, x;
cin >> l >> r >> x;
x--;
auto lb1 = id[x].lower_bound(l - 1);
if (lb1 != id[x].end() && *lb1 < r) {
cout << *lb1 + 1 << " " << *lb1 + 1 << '\n';
continue;
}
auto lb = ans[x].lower_bound(l - 1);
if (lb == ans[x].end() || *lb >= r - 1) {
cout << -1 << " " << -1 << '\n';
}
else {
cout << *lb + 1 << " " << *lb + 2 << '\n';
}
}
}
}
/*
7 7 1000
1 2
2 3
2 4
1 5
5 6
5 7
1 2 3 4 5 6 7
2 1 7 1
*/
void cs() {
int tstc = 1;
//cin >> tstc;
while (tstc--) {
slv();
}
}
void precalc() {
return;
}
int main() {
fastio();
precalc();
//precision(1);
cs();
return 0;
}
Compilation message
treearray.cpp:25: warning: ignoring '#pragma warning ' [-Wunknown-pragmas]
25 | #pragma warning(disable : 4996)
|
treearray.cpp:26: warning: ignoring '#pragma warning ' [-Wunknown-pragmas]
26 | #pragma warning(disable : 6031)
|
treearray.cpp: In function 'll range_sum(ll, ll)':
treearray.cpp:95:21: warning: unused variable 'cnt' [-Wunused-variable]
95 | ll dif = a - 1, cnt = b - a + 1;
| ^~~
treearray.cpp: In function 'll bin_to_dec(std::string)':
treearray.cpp:118:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
118 | for (int i = 0; i < s.size(); i++) {
| ~~^~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
27484 KB |
n=5 |
| 2 |
Incorrect |
6 ms |
27684 KB |
Wrong range. |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
27484 KB |
n=5 |
| 2 |
Incorrect |
6 ms |
27684 KB |
Wrong range. |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
27484 KB |
n=5 |
| 2 |
Incorrect |
6 ms |
27684 KB |
Wrong range. |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
27484 KB |
n=5 |
| 2 |
Incorrect |
6 ms |
27684 KB |
Wrong range. |
| 3 |
Halted |
0 ms |
0 KB |
- |
