Submission #764960

#	Time	Username	Problem	Language	Result	Execution time	Memory
764960		vjudge1	Speedrun (RMI21_speedrun)	C++17	0 / 100	173 ms	48280 KiB

speedrun

#include <bits/stdc++.h>
#include "speedrun.h"
using namespace std;
const int MAXN=1e3+5;
vector<int> sos[MAXN][MAXN];
int cnt[MAXN];
vector<vector<int> > g(MAXN);
void assignHints(int subtask, int N, int A[], int B[]) {
	setHintLen(20);
	for(int i=1; i<N; i++) {
		g[A[i]].push_back(B[i]);
		g[B[i]].push_back(A[i]);
	}
	for(int i=1; i<=N; i++) {
		int sz=g[i].size();
		sos[sz][++cnt[sz]]=g[i];
		for(int j=1; j<=10; j++) {
			setHint(i, j, (sz&(1<<(j-1))? 1 : 0));
		}
		for(int j=11; j<=20; j++) {
			setHint(i, j, (cnt[sz]&(1<<(j-11)) ? 1 : 0));
		}
	}
	return;
}
int us[MAXN];
void dfs(int v, int p) {
	us[v]=1;
	int x=0, y=0;
	for(int j=1; j<=10; j++) {
		if(getHint(j))x+=(1<<(j-1));
	}
	for(int j=11; j<=20; j++) {
		if(getHint(j))y+=(1<<(j-11));
	}
	vector<int> gg=sos[x][y];
	for(auto to : gg) {
		if(!us[to]) {
			goTo(to);
			dfs(to, v);
		}
	}
	if(v!=p)goTo(p);
	else return;
}
void speedrun(int subtask, int N, int start) {
	int len=getLength();
	dfs(start, start);
	return;
}

Compilation message (stderr)

speedrun.cpp: In function 'void speedrun(int, int, int)':
speedrun.cpp:47:6: warning: unused variable 'len' [-Wunused-variable]
   47 |  int len=getLength();
      |      ^~~

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