Submission #1057864

# Submission time Handle Problem Language Result Execution time Memory
1057864 2024-08-14T06:57:31 Z d(#11114) Infiltration (CCO24_day2problem1) C++17
6 / 25
2 ms 604 KB
#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...)
#endif
using ll=long long;
using pii=array<int,2>;
using tii=array<int,3>;
using ti4=array<int,4>;
const int N=105;
int n,p[N],dep[N],c[N];
vector<int> L[N];
vector<int> g[N],ans[2][N];
void dfs(int u){
	L[dep[u]].push_back(u);
	for(int v: g[u]) if(p[u]!=v){
		p[v]=u;
		dep[v]=dep[u]+1;
		dfs(v);
	}
}
int main(){
	ios::sync_with_stdio(false); cin.tie(0);
	cin>>n;
	for(int u,v,i=1;i<n;i++){
		cin>>u>>v;
		u++; v++;
		g[u].push_back(v);
		g[v].push_back(u);
	}
	dep[1]=1;
	dfs(1);
	for(int i=1;i<=n;i++) c[i]=i;
	for(int d=n;d>=1;d--) if(L[d].size()){
		for(int u=1;u<=n;u++){
			int v=c[u];
			if(dep[u]<=d){
				ans[0][u].push_back(v);
				ans[0][u].push_back(v);
				ans[1][u].push_back(v);
				ans[1][u].push_back(v);
			} else{
				ans[0][u].push_back(p[v]);
				ans[0][u].push_back(p[v]);
				ans[1][u].push_back(v);
				ans[1][u].push_back(p[v]);
				c[u]=p[v];
			}
		}
	}
	cout<<ans[0][1].size()<<"\n";
	for(int i=1;i<=n;i++){
		for(int x: ans[0][i]) cout<<x-1<<" ";
		cout<<"\n";
	}
	for(int i=1;i<=n;i++){
		for(int x: ans[1][i]) cout<<x-1<<" ";
		cout<<"\n";
	}
	return 0;
}
# Verdict Execution time Memory Grader output
1 Partially correct 2 ms 604 KB Partially correct
2 Partially correct 1 ms 604 KB Partially correct
3 Partially correct 2 ms 604 KB Partially correct
4 Partially correct 1 ms 604 KB Partially correct
5 Partially correct 1 ms 604 KB Partially correct
6 Partially correct 1 ms 604 KB Partially correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Partially correct 1 ms 348 KB Partially correct
17 Partially correct 0 ms 348 KB Partially correct
18 Partially correct 0 ms 348 KB Partially correct
19 Partially correct 1 ms 348 KB Partially correct
20 Partially correct 1 ms 348 KB Partially correct
21 Partially correct 0 ms 348 KB Partially correct
22 Partially correct 0 ms 348 KB Partially correct
23 Partially correct 1 ms 348 KB Partially correct
24 Partially correct 1 ms 604 KB Partially correct
25 Partially correct 1 ms 604 KB Partially correct