Submission #871552

#	Time	Username	Problem	Language	Result	Execution time	Memory
871552		TAhmed33	Speedrun (RMI21_speedrun)	C++17	0 / 100	102 ms	1196 KiB

speedrun

#include <bits/stdc++.h>
#include "speedrun.h"
using namespace std;
vector <int> conv (int x) {
	vector <int> dd;
	for (int i = 9; i >= 0; i--) {
		dd.push_back((x >> i) & 1);
	}
	return dd;
}
void assignHints (int subtask, int n, int a[], int b[]) {
	vector <int> adj[n + 1];
	for (int i = 1; i < n; i++) {
		adj[a[i]].push_back(b[i]);
		adj[b[i]].push_back(a[i]);
	}
	setHintLen(20);
	for (int i = 1; i <= n; i++) {
		auto d = conv(adj[i][0]);
		for (int l = 1; l <= 10; l++) {
			setHint(i, l, d[l - 1]);
		}
		if (adj[i].size() == 1) continue;
		d = conv(adj[i][1]);
		for (int l = 1; l <= 10; l++) {
			setHint(i, l + 10, d[l - 1]);
		}
	}
}
int n;
void dfs (int pos, int par) {
	if (pos == 6) exit(0);
	int x = 0;
	for (int i = 1; i <= 10; i++) {
		x *= 2; x += getHint(i);
	}
	if (x != 0 && x != par) {
		goTo(x); dfs(x, pos); goTo(pos);
	}
	x = 0;
	for (int i = 11; i <= 20; i++) {
		x *= 2; x += getHint(i);
	}
	if (x != 0 && x != par) {
		goTo(x); dfs(x, pos); goTo(pos);
	}
}
void speedrun (int subtask, int N, int start) {
	dfs(start, -1);
}

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