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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#322896 | #4828. Four Plus Four | bachbeo2007 | 0 | 596ms | 84380kb | C++23 | 3.4kb | 2024-02-07 22:15:02 | 2024-02-07 22:15:03 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
#define ll long long
#define ull unsigned long long
#define pii pair<int,int>
#define mpp make_pair
#define fi first
#define se second
const int N=28558,M=3919;
int S[]={2,3,2,2,3,2,2,2,2,2,2,3,3,2,2,2,1,3,3,2,2,2,2,1,2,2};
struct Password{
string s;
ull mask=0;
Password(){};
Password(string ss):s(ss){
vector<int> cnt(26);
for(char c:s) cnt[c-'a']++;
int total=0;
for(int i=0;i<26;i++){
mask+=((1ULL<<min(S[i],cnt[i]))-1)<<total;
total+=S[i];
}
}
int submask(Password P){
return (mask&P.mask)==P.mask;
}
friend bool operator<(Password a,Password b){
return a.s<b.s;
}
};
int f[M][M];
Password P[N],K[M];
vector<int> V[N];
map<string,int> key,pass;
bitset<M> g[N],c[M];
void init(){
int n;cin >> n;
for(int i=0;i<N;i++){
string s;cin >> s;
P[i]=s;pass[s]=i;
}
int m;cin >> m;
for(int i=0;i<M;i++){
string s;cin >> s;
K[i]=s;
}
shuffle(K,K+M,rng);
for(int i=0;i<M;i++) key[K[i].s]=i;
vector<pii> order(N);
for(int i=0;i<N;i++){
order[i].se=i;
for(int j=0;j<M;j++){
g[i][j]=P[i].submask(K[j]);
}
order[i].fi=g[i].count();
}
sort(order.begin(),order.end());
for(int i=0;i<M;i++) c[i].set();
for(auto [cnt,id]:order){
if(cnt<3) continue;
//cout << cnt << ' ' << id << endl;
vector<int> res;
function<vector<int>()> get = [&](){
for(int x=g[id]._Find_first();x<M;x=g[id]._Find_next(x)){
bitset<M> ny=g[id]&c[x];
for(int y=ny._Find_first();y<M;y=ny._Find_next(y)){
bitset<M> nz=ny&c[y];
for(int z=nz._Find_first();z<M;z=nz._Find_next(z)) return res={x,y,z};
}
}
for(int x=g[id]._Find_first();x<M;x=g[id]._Find_next(x)){
if(c[x][x]) return res={x,x,x};
}
return res={-1,-1,-1};
};
V[id]=get();
int x=V[id][0],y=V[id][1],z=V[id][2];
if(x==-1) continue;
c[x][y]=c[x][z]=c[y][z]=c[y][x]=c[z][x]=c[z][y]=0;
f[x][y]=f[x][z]=f[y][z]=f[y][x]=f[z][x]=f[z][y]=id;
}
}
void encode(string s){
int id=pass[s];
//cout << id << ' ' << V[id][0] << ' ' << V[id][1] << ' ' << V[id][2] << '\n';
cout << K[V[id][0]].s << ' ' << K[V[id][1]].s << ' ' << K[V[id][2]].s << '\n';
}
void decode(string a,string b){
int x=key[a],y=key[b];
cout << P[f[x][y]].s << '\n';
}
void solve(){
string type;cin >> type;
int n;cin >> n;
vector<pair<string,string>> p(n);
if(type=="password"){
for(int i=0;i<n;i++) cin >> p[i].fi;
}
else{
for(int i=0;i<n;i++) cin >> p[i].fi >> p[i].se;
}
init();
if(type=="password"){
for(int i=0;i<n;i++) encode(p[i].fi);
}
else{
for(int i=0;i<n;i++) decode(p[i].fi,p[i].se);
}
}
signed main(){
//freopen("input.txt","r",stdin);
//freopen("001.phase1.full.input","r",stdin);
ios_base::sync_with_stdio(false);
cin.tie(NULL);cout.tie(NULL);
int test=1;//cin >> test;
while(test--) solve();
}
Details
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Test #1:
score: 0
Wrong Answer
time: 596ms
memory: 84380kb
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...
output:
saws drop woad thou coir huic
input:
keys 4 saws drop huic coir woad saws drop woad 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 abet...
output:
aardvark aardvark aardvark aardvark
result:
wrong answer query 1: read aardvark but expected password