QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#294315 | #4828. Four Plus Four | ucup_team_qiuly# | 0 | 0ms | 0kb | C++14 | 3.5kb | 2023-12-30 11:54:06 | 2023-12-30 11:54:07 |
answer
#include <iostream>
#include <cstdio>
#include <random>
#include <algorithm>
#include <map>
#include <cassert>
using namespace std;
mt19937 rnd(123456789);
int n8,n4;
map<string,int> id8,id4;
string s8[100005],s4[100005];
int book[500005];
int ovo[500005];
int awa[4005][4005];
int ans[50005][3];
struct node{
int id;
vector<int> qwq;
bool operator <(const node b){
return qwq.size()<b.qwq.size();
}
}a[50005];
int tot;
void dict(){
cin>>n8;
for (int i=1;i<=n8;i++)cin>>s8[i],id8[s8[i]]=i;
cin>>n4;
for (int i=1;i<=n4;i++){
cin>>s4[i],id4[s4[i]]=i;
int v=0;
for (int j=0;j<4;j++)v=v*26+s4[i][j]-'a';
book[v]=i;
}
for (int i=1;i<=n8;i++){
int cnt=0;
vector<int> qwq;
for (int a=0;a<8;a++){
for (int b=0;b<8;b++){
if (a==b)continue;
for (int c=0;c<8;c++){
if (a==c||b==c)continue;
for (int d=0;d<8;d++){
if (a==d||b==d||c==d)continue;
int v=0;
v=26*v+s8[i][a]-'a';
v=26*v+s8[i][b]-'a';
v=26*v+s8[i][c]-'a';
v=26*v+s8[i][d]-'a';
if (ovo[v]==1)continue;
ovo[v]=1;
if (book[v]!=0)cnt++,qwq.push_back(book[v]);
}
}
}
}
if (cnt>=3){
++tot;
a[tot].id=i;
a[tot].qwq=qwq;
}
for (int a=0;a<8;a++){
for (int b=0;b<8;b++){
if (a==b)continue;
for (int c=0;c<8;c++){
if (a==c||b==c)continue;
for (int d=0;d<8;d++){
if (a==d||b==d||c==d)continue;
int v=0;
v=26*v+s8[i][a]-'a';
v=26*v+s8[i][b]-'a';
v=26*v+s8[i][c]-'a';
v=26*v+s8[i][d]-'a';
ovo[v]=0;
}
}
}
}
}
sort(a+1,a+1+tot);
for (int i=1;i<=tot;i++){
int id=a[i].id;
vector<int> qwq=a[i].qwq;
int cnt=(int)qwq.size();
shuffle(qwq.begin(),qwq.end(),rnd);
int fg=0;
for (int i0=0;i0<cnt&&fg==0;i0++){
int a=qwq[i0];
for (int i1=i0+1;i1<cnt&&fg==0;i1++){
int b=qwq[i1];
if (awa[a][b]!=0)continue;
for (int i2=i1+1;i2<cnt&&fg==0;i2++){
int c=qwq[i2];
if (awa[a][c]!=0||awa[b][c]!=0)continue;
awa[a][b]=awa[b][a]=awa[a][c]=awa[c][a]=awa[b][c]=awa[c][b]=id;
ans[id][0]=a,ans[id][1]=b,ans[id][2]=c;
fg=1;
break;
}
}
}
shuffle(qwq.begin(),qwq.end(),rnd);
for (int i0=0;i0<cnt&&fg==0;i0++)
for (int i1=0;i1<cnt;i1++){
if (i0==i1)continue;
int a=qwq[i0],b=qwq[i0],c=qwq[i1];
if (awa[a][b]!=0||awa[a][c]!=0||awa[b][c]!=0)continue;
awa[a][b]=awa[b][a]=awa[a][c]=awa[c][a]=awa[b][c]=awa[c][b]=id;
ans[id][0]=a,ans[id][1]=b,ans[id][2]=c;
fg=1;
break;
}
shuffle(qwq.begin(),qwq.end(),rnd);
for (int i0=0;i0<cnt&&fg==0;i0++){
int a=qwq[i0],b=qwq[i0],c=qwq[i0];
if (awa[a][b]!=0||awa[a][c]!=0||awa[b][c]!=0)continue;
awa[a][b]=awa[b][a]=awa[a][c]=awa[c][a]=awa[b][c]=awa[c][b]=id;
ans[id][0]=a,ans[id][1]=b,ans[id][2]=c;
fg=1;
break;
}
if (ans[id][0]==0||ans[id][1]==0||ans[id][2]==0){
assert(0);
cout<<"No!!!"<<endl;
}
}
return;
}
string opt;
int n;
string asd[100005],asdf[100005][2];
int main(){
cin>>opt;
if (opt=="password"){
cin>>n;
for (int i=1;i<=n;i++)cin>>asd[i];
dict();
for (int i=1;i<=n;i++){
int id=id8[asd[i]];
cout<<s4[ans[id][0]]<<' '<<s4[ans[id][1]]<<' '<<s4[ans[id][2]]<<endl;
}
}
else{
cin>>n;
for (int i=1;i<=n;i++)cin>>asdf[i][0]>>asdf[i][1];
dict();
for (int i=1;i<=n;i++){
int a=id4[asdf[i][0]],b=id4[asdf[i][1]];
cout<<s8[awa[a][b]]<<endl;
}
}
return 0;
}
Details
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Test #1:
score: 0
Stage 1: Program answer Runtime Error
input:
password 2 password couthier 28558 aardvark aardwolf aasvogel abacuses abalones abampere abandons abapical abasedly abashing abatable abatises abattoir abbacies abbatial abbesses abdicate abdomens abdomina abducens abducent abducing abducted abductee abductor abelmosk aberrant abetment abettals abet...