#include "speedrun.h"
#include <iostream>
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <fstream>
#include <iomanip>
#include <iterator>
#include <limits>
#include <list>
#include <cstring>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>
#include <unordered_map>
using namespace std;
typedef int ll;
typedef vector<ll> vi;
typedef pair<ll,ll> ii;
#ifdef px
#define p(x) cerr<<#x<<' '<<x<<endl;
#else
#define p(x) {}
#endif
#define F first
#define S second
#define sz size
#define ls s,m,idx<<1
#define rs m+1,e,idx<<1|1
const ll MOD=ll(1e9)+7;
const ll MAXN=2*ll(1e6);
ll freq[20001];
ll arxi;
vector<vi> Adj;
vi Par,Son;
void dfs(ll s,ll p=-1){
for(auto x:Adj[s]){
if(x!=p){
Par[x]=s;
Son[s]=x;
dfs(x,s);
}
}
}
void assignHints(int subtask, int N, int A[], int B[]) {
setHintLen(20);
Adj.assign(N+1,vi());
Par.assign(N+1,0);
Son.assign(N+1,0);
for(ll i=1;i<N;i++){
freq[A[i]]++;
freq[B[i]]++;
Adj[A[i]].push_back(B[i]);
Adj[B[i]].push_back(A[i]);
}
for(ll i=1;i<=N;i++){
if(freq[i]==1){
arxi=i;
break;
}
}
p(arxi);
Par[arxi]=0;
Son[arxi]=0;
dfs(arxi,arxi);
for(ll i=1;i<=N;i++){
for(ll j=0;j<10;j++){
if((1<<j)&Son[i]){
setHint(i,j+1,1);
}else{
setHint(i,j+1,0);
}
if((1<<j)&Par[i]){
setHint(i,j+11,1);
}else{
setHint(i,j+11,0);
}
}
//cout<<i<<"->"<<son<<"<-"<<par<<endl;
//cout<<i<<"->"<<Son[i]<<"<-"<<Par[i]<<endl;
}
}
ll l;
void speedrun(int subtask, int N, int start) { /* your solution here */
ll l=getLength();
ll curr=start;
while(curr!=0){
p(curr);
ll x=0;
for(ll j=11;j<=20;j++){
if(getHint(j))x|=(1<<(j-11));
}
curr=x;
if(curr)
goTo(curr);
}
//cerr<<endl;
//goTo(arxi);
while(curr!=0){
ll x=0;
for(ll j=1;j<=10;j++){
if(getHint(j))x|=(1<<(j-1));
}
p(curr);
curr=x;
if(curr)
goTo(curr);
}
}
Compilation message
speedrun.cpp: In function 'void speedrun(int, int, int)':
speedrun.cpp:97:8: warning: unused variable 'l' [-Wunused-variable]
97 | ll l=getLength();
| ^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
178 ms |
672 KB |
Solution didn't visit every node |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
142 ms |
676 KB |
Solution didn't visit every node |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
192 ms |
804 KB |
Solution didn't visit every node |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
145 ms |
684 KB |
Solution didn't visit every node |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
171 ms |
684 KB |
Solution didn't visit every node |
2 |
Halted |
0 ms |
0 KB |
- |