제출 #262027

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
262027		errorgorn	Colors (RMI18_colors)	C++14	47 / 100	3080 ms	9360 KiB

colors

//雪花飄飄北風嘯嘯
//天地一片蒼茫

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;
#define ll long long
#define ii pair<ll,ll>
#define iii pair<ii,ll>
#define fi first
#define se second
#define endl '\n'
#define debug(x) cout << #x << " is " << x << endl;

#define rep(x,start,end) for(auto x=(start)-((start)>(end));x!=(end)-((start)>(end));((start)<(end)?x++:x--))
#define all(x) (x).begin(),(x).end()
#define sz(x) (int)(x).size()

#define indexed_set tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>
//change less to less_equal for non distinct pbds, but erase will bug

mt19937 rng(chrono::system_clock::now().time_since_epoch().count());

int n,m;
int arr[150005];
int brr[150005];
vector<int> al[150005];

bool vis[150005];

bool dfs(int i,int val){
	if (vis[i]) return false;
	vis[i]=true;
	
	if (val<brr[i] || arr[i]<val) return false;
	if (arr[i]==val) return true;
	
	for (auto &it:al[i]){
		if (dfs(it,val)) return true;
	}
	
	return false;
}

void solve(){
	cin>>n>>m;
	rep(x,1,n+1){
		al[x].clear();
	}
	
	rep(x,1,n+1) cin>>arr[x];
	rep(x,1,n+1) cin>>brr[x];
	
	int a,b;
	rep(x,0,m){
		cin>>a>>b;
		
		al[a].push_back(b);
		al[b].push_back(a);
	}
	
	rep(x,1,n+1){
		if (brr[x]>arr[x]){
			cout<<0<<endl;
			return;
		}
	}
	
	rep(x,1,n+1){
		memset(vis,false,sizeof(vis));
		if (!dfs(x,brr[x])){
			cout<<0<<endl;
			return;
		}
	}
	
	cout<<1<<endl;
}

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	
	int TC;
	cin>>TC;
	while (TC--){
		solve();
	}
}

• Subtask 1: 15 / 15
• Subtask 2: 7 / 7
• Subtask 3: 8 / 8
• Subtask 4: 0 / 15
• Subtask 5: 7 / 7
• Subtask 6: 0 / 16
• Subtask 7: 10 / 10
• Subtask 8: 0 / 22