Submission #991690

#	Time	Username	Problem	Language	Result	Execution time	Memory
991690		Abito	Speedrun (RMI21_speedrun)	C++17	19 / 100	63 ms	784 KiB

speedrun

#include "speedrun.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
void dfs(int x,int p){
    //cout<<x<<' '<<p<<endl;
    int to=0;
    for (int i=1;i<=10;i++) if (getHint(i)) to+=(1<<(i-1));
    if (to && to!=p) goTo(to),dfs(to,x);
    to=0;
    for (int i=11;i<=20;i++) if (getHint(i)) to+=(1<<(i-11));
    if (to && to!=p) goTo(to),dfs(to,x);
    if (p) goTo(p);
    return;
}
void assignHints(int subtask, int n, int A[], int B[]) {
    setHintLen(20);
    vector<int> adj[n+2];
    for (int i=1;i<n;i++) adj[A[i]].pb(B[i]),adj[B[i]].pb(A[i]);
    for (int i=1;i<=n;i++){
        int x=adj[i][0],y=0;
        if (adj[i].size()==2) y=adj[i][1];
        for (int j=0;j<10;j++) if (x&(1<<j)) setHint(i,j+1,1);
        for (int j=0;j<10;j++) if (y&(1<<j)) setHint(i,j+11,1);
    }return;
}

void speedrun(int subtask, int n, int start) {
    dfs(start,0);
    return;
}

• Subtask 1: 0 / 21
• Subtask 2: 0 / 8
• Subtask 3: 19 / 19
• Subtask 4: 0 / 12
• Subtask 5: 0 / 40