#include<bits/stdc++.h>
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef double db;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define pbds tree<int, null_type, less<int>,rb_tree_tag, tree_order_statistics_node_update>
using namespace __gnu_pbds;
ll gcd(ll a , ll b) {return b ? gcd(b , a % b) : a ;} // greatest common divisor (PGCD)
ll lcm(ll a , ll b) {return (a * b) / gcd(a , b);} // least common multiple (PPCM)
int dx[8] = {1, 0, 0, -1, 1, 1, -1, -1};
int dy[8] = {0, 1, -1, 0, 1, -1, -1, 1};
#define endl "\n"
#define ss second
#define ff first
#define all(x) (x).begin() , (x).end()
#define pb push_back
#define vi vector<int>
#define vii vector<pair<int,int>>
#define vl vector<ll>
#define vll vector<pair<ll,ll>>
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pdd pair<double,double>
#define vdd vector<pdd>
#define speed ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
////////////////////Only Clear Code//////////////////////////
void usaco_problem(){
freopen("milkvisits.in", "r", stdin);
freopen("milkvisits.out", "w", stdout);
}
void init(){
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif // ONLINE_JUDGE
}
//#define int ll
const int mx = 5e5+5;
const int LOG = 25;
const int inf = 1e9;
const ll mod = 998244353;
vi tree1[mx];
vi tree2[mx];
int ind[mx];
int n, k, q, t;
vi v;
vii ask;
int c = 0;
void dfs(int node){
if(c == k)return;
ind[node] = v.size();
v.pb(node);
c++;
for(int adj : tree1[node]){
if(c < k){
ask.pb({node, adj});
dfs(adj);
}
}
}
vector<vi> answers;
ll pf[mx], pf1[mx];
ll dis[mx];
ll dislca[mx];
void run_case(){
cin >> n >> k >> q >> t;
int root1 = -1, root2 = -1;
for(int i = 1; i <= n;i++){
int a;cin >> a;
if(a==-1)root1 = i;
else tree1[a].pb(i);
}
for(int i = 1; i <= n;i++){
int a;cin >> a;
if(a==-1)root2 = i;
else tree2[a].pb(i);
}
dfs(root1);
for(int x : v){
cout << x << " ";
}
cout << endl;
cout.flush();
for(pii p : ask){
cout << "? " << p.ff << " " << p.ss << endl;
}
cout << "!" << endl;
cout.flush();
for(pii p : ask){
int a, b, c, d;cin >> a >> b >> c >> d;
answers.pb({a, b});
dis[ind[p.ff]] = a+b;
dislca[ind[p.ff]] = a;
}
pf[0] = dis[0];
for(int i = 1; i < v.size();i++){
pf[i] = pf[i-1] + dis[i];
}
pf1[0] = 0;
for(int i = 1; i < v.size();i++){
pf1[i] = pf1[i-1] + dislca[i];
}
vl res;
for(int i = 0; i < t;i++){
int a, b;cin >> a >> b;if(ind[b] < ind[a])swap(a, b);
if(a==b)res.pb(0);
else{
ll ans = pf[ind[b]-1] - (ind[a] == 0 ? 0 : pf[ind[a]-1]);
ll ans1 = pf1[ind[b]-1] - pf1[ind[a]];
//cout << ans << " " << ans1 << endl;
res.pb(ans-2*ans1);
}
}
for(int i = 0;i < t;i++){
cout << res[i] << " " << res[i] << endl;
}
cout.flush();
}
int main(){
speed;
int t = 1;
//cin >> t;
while(t--){
run_case();
}
}
/*
NEVER GIVE UP!
DOING SMTHNG IS BETTER THAN DOING NTHNG!!!
Your Guide when stuck:
- Continue keyword only after reading the whole input
- Don't use memset with testcases
- Check for corner cases(n=1, n=0)
- Check where you declare n(Be careful of declaring it globally and in main)
*/
Compilation message
Main.cpp: In function 'void run_case()':
Main.cpp:107:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
107 | for(int i = 1; i < v.size();i++){
| ~~^~~~~~~~~~
Main.cpp:111:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
111 | for(int i = 1; i < v.size();i++){
| ~~^~~~~~~~~~
Main.cpp:78:21: warning: variable 'root2' set but not used [-Wunused-but-set-variable]
78 | int root1 = -1, root2 = -1;
| ^~~~~
Main.cpp: In function 'void usaco_problem()':
Main.cpp:33:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
33 | freopen("milkvisits.in", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:34:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
34 | freopen("milkvisits.out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp: In function 'void init()':
Main.cpp:40:8: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
40 | freopen("input.txt", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:42:8: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
42 | freopen("output.txt", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
223 ms |
79996 KB |
Output is correct |
| 2 |
Correct |
279 ms |
86992 KB |
Output is correct |
| 3 |
Runtime error |
182 ms |
60348 KB |
Execution killed with signal 13 |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
207 ms |
86392 KB |
Execution killed with signal 13 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
123 ms |
65020 KB |
Execution killed with signal 13 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
22 ms |
54376 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
22 ms |
54288 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
