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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#578714 | #9319. Bull Farm | wangwx | TL | 1780ms | 20756kb | C++14 | 2.4kb | 2024-09-20 20:57:33 | 2024-09-20 20:57:34 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
// #define int long long
const int mxn=2e3+5,inf=4e6+10;
string s;
int a,b,c;
int cnt[mxn];
int t,n,l,q;
int bucket[mxn];
int h[mxn],tot;
struct E{
int nx,to,w;
}e[inf];
int mp[mxn][mxn];
void add(int u,int v,int i){
e[++tot]={h[u],v,i};
h[u]=tot;
}
int p[mxn];
int root(int x){
return p[x]= (p[x]==x ? x: root(p[x]) );
}
void sx(int x){
for(int i=1;i<=n;++i){
if(mp[i][cnt[i]]) continue;
if( root(i)==root( cnt[i] ) ) continue;
p[root(i)]=root(i);
add(i,cnt[i],x);
mp[i][cnt[i]]=1;
}
}
void dx(int x){
int l,r;
for(int i=1;i<=n;++i){
if(bucket[i]==0) l=i;
if(bucket[i]==2) r=i;
}
for(int i=1;i<=n;++i){
if(mp[i][l]) continue;
if(cnt[i]==r) add(i,l,x);
mp[i][l]=1;
}
}
int jm(string &s){
int js=0;
memset(bucket,0,sizeof bucket);
int zc=s.size();
for(int i=0;i<zc;i+=2){
cnt[i/2+1]=(s[i]-'0')*50+(s[i+1]-'0');
bucket[cnt[i/2+1]]++;
if(bucket[cnt[i/2+1]]==1) js++;
}
if(js==n) return 1;
else if(js==n-1) return 2;
else return 0;
}
int vis[mxn];
int check(int c){
queue<int> q;
q.push(a);
memset(vis,0,sizeof vis);
while(!q.empty()){
int now=q.front();
q.pop();
if(vis[now]) continue;
vis[now]=1;
for(int i=h[now];~i;i=e[i].nx){
int cs=e[i].w;
int to=e[i].to;
if(cs>c) continue;
if(vis[to]) continue;
q.push(to);
if(to==b) return 1;
}
}
return vis[b];
}
signed main(){
ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
cin>>t;
while(t--){
memset(mp,0,sizeof mp);
tot=0;
memset(h,-1,sizeof h);
cin>>n>>l>>q;
for(int i=1;i<=n;++i) p[i]=i;
for(int i=1;i<=l;++i){
cin>>s;
int ed=jm(s);
if(!ed) continue;
else if(ed==1) sx(i);
else dx(i);
}
for(int i=1;i<=q;++i){
cin>>s;
a=(s[0]-'0')*50+s[1]-'0';
b=(s[2]-'0')*50+s[3]-'0';
c=(s[4]-'0')*50+s[5]-'0';
if(check(c)) cout<<'1';
else cout<<'0';
}
cout<<'\n';
}
return 0;}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 20756kb
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: 19400kb
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: 273ms
memory: 19772kb
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: 1780ms
memory: 19320kb
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...