Submission #765283

#	Time	Username	Problem	Language	Result	Execution time	Memory
765283		vjudge1	Speedrun (RMI21_speedrun)	C++17	21 / 100	64 ms	48360 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[]) {
	if(subtask==1) {
		setHintLen(N);
		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++) {
			for(auto to : g[i])setHint(i, to, 1);
		}
	}
	if(subtask==3) {
		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 cnt=0;
			for(auto to : g[i]) {
				if(cnt==0) {
					for(int j=0; j<=9; j++) {
						setHint(i, j, (to&(1<<j) ? 1 : 0));
					}
				}else {
					for(int j=10; j<=19; j++) {
						setHint(i, j, (to&(1<<(j-10)) ? 1 : 0));
					}
				}
			}
		}
	}
	return;
}
int us[MAXN];
void dfs(int v, int p, int N, int subtask) {
	us[v]=1;
	if(subtask==1) {
		vector<int> gg;
		for(int j=1; j<=N; j++) {
			if(getHint(j))gg.push_back(j);
		} 
		for(auto to : gg) {
			if(!us[to]) {
				goTo(to);
				dfs(to, v, N, subtask);
			}
		}
		if(v!=p)goTo(p);
		else return;
	}
	if(subtask==3) {
		vector<int> gg;
		int x=0, y=0;
		for(int j=0; j<=9; j++) {
			if(getHint(j))x+=(1<<j);
		}
		for(int j=10; j<=19; j++) {
			if(getHint(j))y+=(1<<(j-10));
		}
		gg.push_back(x);
		gg.push_back(y);
		for(auto to : gg) {
			if(!us[to]) {
				goTo(to);
				dfs(to, v, N, subtask);
			}
		}
		if(v!=p)goTo(p);
		else return;
	}
}
void speedrun(int subtask, int N, int start) {
	if(subtask==1) {
		int len=getLength();
		dfs(start, start, N, subtask);
	}
	if(subtask==3) {
		int len=getLength();
		dfs(start, start, N, subtask);
	}
	return;
}

Compilation message (stderr)

speedrun.cpp: In function 'void speedrun(int, int, int)':
speedrun.cpp:82:7: warning: unused variable 'len' [-Wunused-variable]
   82 |   int len=getLength();
      |       ^~~
speedrun.cpp:86:7: warning: unused variable 'len' [-Wunused-variable]
   86 |   int len=getLength();
      |       ^~~

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