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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#575765#9319. Bull FarmnicnaknicWA 32ms38288kbC++202.1kb2024-09-19 16:41:222024-09-19 16:41:22

Judging History

你现在查看的是最新测评结果

  • [2024-09-19 16:41:22]
  • 评测
  • 测评结果:WA
  • 用时:32ms
  • 内存:38288kb
  • [2024-09-19 16:41:22]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define int long long
typedef pair<int,int> PII;
#define x first
#define y second
const int N = 2100,M = N+N,INF = 1e18;
vector<PII> adj[N];
int dist[N],p[N];
int find(int x)
{
	if(p[x]!=x) p[x] = find(p[x]);
	return p[x];
}
int ans[N][N];
int n,l,q;
int ne[N],cnt[N];
bool st[N];
void solve() {
	cin>>n>>l>>q;
	for(int i = 1;i<=n;i++) p[i] = i,adj[i].clear();
	for(int i = 1;i<=l;i++)
	{
		string str;
		cin>>str;
		for(int j = 1;j<=n;j++) cnt[j] = 0;
		int pos = 0;
		for(int j=0,k=1;j<str.size();j+=2,k++)
		{
			int x = ((str[j]-48)/50)*50+ (str[j+1]-48)%50;
			ne[k] = x;
			cnt[ne[k]]++;
		}
		int num = 0;
		int pos2 = 0;
		for(int j = 1;j<=n;j++) 
		{
			if(!cnt[j]) pos= j;
			if(cnt[j]==2) pos2 = j;
			if(cnt[j]) num++;
		}
		if(num<n-1) continue;
		//cout<<i<<" eee "<<endl;
		if(num==n)
		{
			for(int j = 1;j<=n;j++)
			{
				int u = j,v= ne[j];
				int fu=find(u),fv=find(v);
				if(fu==fv) continue;
				p[fu]=fv;
				adj[u].push_back({v,i});
				adj[v].push_back({u,i});
			}
		}
		else
		{
			for(int j = 1;j<=n;j++)
				if(ne[j]==pos2) adj[j].push_back({pos,i});
		}
	}
	for(int s=1;s<=n;s++)
	{
		for(int j = 1;j<=n;j++)
		{
			st[j] =false;
			ans[s][j] = INF;
			dist[j] =INF;
		} 
		priority_queue<PII,vector<PII>,greater<PII>> heap;
		heap.push({0,s});
		dist[s] = 0;
		while(heap.size())
		{
			PII  t = heap.top();
			heap.pop();
			int d = t.x,u=t.y;
			if(st[u]) continue;
			st[u] = true;
			for(auto& [v,w]: adj[u])
			{
				if(dist[v]>max(d,w))
				{
					dist[v]= max(d,w);
					heap.push({dist[v],v});
				}
			}
		}
		for(int j = 1;j<=n;j++) ans[s][j] =dist[j];
	}
	string r;
	while(q--)
	{
		string str;
		cin>>str;
		int g[5]={0};
		for(int j=0,k=1;j<str.size();j+=2,k++)
		{
			int x = ((str[j]-48)/50)*50+ (str[j+1]-48)%50;
			g[k] =x;
			//cout<<k<<" "<<x<<" q "<<endl;
		}
		if(ans[g[1]][g[2]]<=g[3]) r+='1';
		else r+='0'; 
	}
	cout<<r<<"\n";
}

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	int T = 1;
	cin>>T;
	while (T--) {
		solve();
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3720kb

input:

2
5 2 4
0305040201
0404040404
030300
020500
050102
020501
6 2 4
030603010601
010203060504
030202
060402
050602
060401

output:

1011
0100

result:

ok 2 lines

Test #2:

score: 0
Accepted
time: 0ms
memory: 3844kb

input:

1
3 3 6
020202
030301
030201
020102
030203
010201
010303
020303
010202

output:

010101

result:

ok single line: '010101'

Test #3:

score: 0
Accepted
time: 32ms
memory: 3968kb

input:

200
10 10 5000
01060:04020305080709
0103070:060204050908
09070503080401060:02
050308010204090:0607
03010502040607080:09
03080109020504060:07
06050:09040302080107
07080305010409060:02
030809010:0204060507
0:060908070201050304
060700
090:03
09080:
070405
010703
0:0100
080601
030600
070206
0:0:09
08040...

output:

011110001101101111111111111111111101111111110111011110110110111011010111111111111111111101111111111110111111110111111111111101111111111110111111111111111111110001100111111111111111111111111011101111111111111111111111111111111111111111011011110100111110111111110111111100111111101110111111111101111110...

result:

ok 200 lines

Test #4:

score: -100
Wrong Answer
time: 30ms
memory: 38288kb

input:

1
2000 1 1000000
M=:]A@8UAY7W2JJ4KEHIA[HSCQ1ENSC`JXR;F3PJ:_@41P9Z=9HR8P<<:DUXRR9^WOQFL?NZP6S@=J0^WE32=6;\U0?88]Q_RNPUMT6YU<4<S]H?:7OCQYOT4YAV1^764ENWSDBED>M7A:BI>KSIR48JQ9B=N\5T3N4A2aF0@>3TI81<G7;YE>W`NMP<:IT4CI3D0=GZC3I\CLQJQBA9BDIS9SAM55KaVA<Z@D=>:Y?CQHUQ5U3a6UVI8OKX9_FAF^7=5M85;<0;8YPAM<7Z7PP7A=N...

output:

100010000000100000000000000010010000000000000000001000100000001000000000000000000000000000000001000000000000000000000000000001000001100000000000100000000000000000000000010000000100000000000000000000000000000000000000000001000001000100000000000000000000000000000000000100000000000000001000000000000000...

result:

wrong answer 1st lines differ - expected: '000101000101100010001000000010...0101000101000000000010101001000', found: '100010000000100000000000000010...0000000001000000000000000000000'