Submission #645501

#	Time	Username	Problem	Language	Result	Execution time	Memory
645501		TimDee	Speedrun (RMI21_speedrun)	C++17	0 / 100	95 ms	8548 KiB

speedrun

#include "speedrun.h"
#include <bits/stdc++.h>
using namespace std;

void assignHints(int id,int n, int*a, int*b) {
    if (id==1) {
        setHintLen(n);
        for(int i=0;i<n-1;++i) {
            int u=a[i],v=b[i];
            setHint(u,v,1);
            setHint(v,u,1);
        }
    }
    if (id==2) {
        setHintLen(20);
        vector<int>deg(n+1,0);
        for(int i=0;i<n-1;++i) deg[a[i]]++;
        for(int i=0;i<n-1;++i) deg[b[i]]++;
        int mx=0;
        for(int i=1;i<=n;++i) if (deg[i]>deg[mx]) mx=i;
        for (int i=1; i<=n; ++i) {
            if (i==mx) continue;
            for (int j=11; j>0; --j) {
                setHint(i,j,!!(mx&(1<<(j-1))));
            }
        }
    }
}

int n;
vector<vector<int>> adj(1e3+1,vector<int>(1e3+1,0));

void dfs(int u, int p) {
    for (int j=1; j<=n; ++j) {
        adj[u][j]=getHint(j);
    }
    for (int i=1; i<=n; ++i) {
        if (i==p) continue;
        if (adj[u][i]) {
            goTo(i);
            dfs(i,u);
        }
    }
    if (p==-1) return;
    goTo(p);
}

void speedrun(int id,int N,int start) {
    n=N;
    if (id==1) {
        dfs(start,-1);
    }
}

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