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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#578616#9319. Bull FarmxixixiTL 2200ms3880kbC++141.6kb2024-09-20 20:25:052024-09-20 20:25:05

Judging History

你现在查看的是最新测评结果

  • [2024-09-20 20:25:05]
  • 评测
  • 测评结果:TL
  • 用时:2200ms
  • 内存:3880kb
  • [2024-09-20 20:25:05]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int mxn=2e3+8;
int T,n,m1,m2,tot;
int h[mxn],temp[mxn],dp[mxn],vis[mxn];
struct Star{
 int to,w,nx; 
}star[mxn*mxn];

void add(int x,int y,int w){
  star[++tot].nx=h[x];
  star[tot].to=y;
  star[tot].w=w;
  h[x]=tot;}

bool bfs(int st,int ed,int lim){
  memset(vis,0,sizeof vis);
  queue<int>q;
  q.push(st);vis[st]=1;
  while(q.size()){
    int pre=q.front();q.pop();
    for(int i=h[pre];~i;i=star[i].nx){
      auto pto=star[i];
      if(pto.w>lim||vis[pto.to])continue;
      vis[pto.to]=1;q.push(pto.to);
      if(pto.to==ed)return 1;
    }
  }
  return vis[ed];
}

signed main(){
  ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
  cin >> T;
  while(T--){
    cin >> n >> m1 >> m2 ;
    memset(h,-1,sizeof h);
    int from=0,to=0;tot=0;

    for(int i=1;i<=m1;i++){
      int sum = 0 ;  
      string s;cin >> s ;

      for(int j=0;j<n;j++){
        temp[j+1]=(s[j*2]-'0')*50+(s[j*2+1]-'0');dp[temp[j+1]]+=1;}

      for(int j=1;j<=n;j++){
      if(dp[j]==0)to=j;
      if(dp[j]==2)from=j;
      if(dp[j]){sum+=1,dp[j]=0;}}

      if(sum==n){
        for(int j=1;j<=n;j++)
        add(j,temp[j],i);}
      
      else if(sum==n-1)
      for(int j=1;j<=n;j++)
      if(temp[j]==from)add(j,to,i); 
    }

    for(int i=1;i<=m2;i++){
      string s;cin >> s ;
      int from,to,lim;
      from=(s[0]-'0')*50+(s[1]-'0');
      to=(s[2]-'0')*50+(s[3]-'0');
      lim=(s[4]-'0')*50+(s[5]-'0');
      cout << bfs(from,to,lim);
    }
    cout << '\n';
  }
  return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3848kb

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: 3568kb

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: 210ms
memory: 3560kb

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: 0
Accepted
time: 2200ms
memory: 3880kb

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:

000101000101100010001000000010010110000001000001001100000000010000100001000000101100000000010000001000000001110000010110100000111100100000001000000000011001010001000001001000100000000100011001100110010000010000101100000011111000000010000101010010000000010101000001010111100000100000000000000101000100...

result:

ok single line: '000101000101100010001000000010...0101000101000000000010101001000'

Test #5:

score: -100
Time Limit Exceeded

input:

1
2000 2000 1000000
FVAaH7GRPO;_11Da5J18@3SMG==\G8E8S^6:M4L0JH>MN5IXT>2<7WJ3U8LVJS=;;3F13>0D0>VOIIU@EPHG6ABL6;K?T1PXDERLG07]5C9^GDKG<SBMIW;`4W8P3=469TIPKH0O34523_J5C2MJ17D25Z@=K8H@M>WK<CMK7EO]BPD7B6AW741J5YIHIa1:ERSG>L3N2^F3<4F`DLE@2AA5=8GZK6:192FB736[WMV7:^DA2C:<LK040VJBM3M]WXU50`407TR_?PLF@5VL7OSL...

output:

111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111011111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

result: