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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#323735#4828. Four Plus Fourhotboy27030 0ms0kbC++143.6kb2024-02-10 13:03:212024-02-10 13:03:22

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  • [2024-02-10 13:03:22]
  • 评测
  • 测评结果:0
  • 用时:0ms
  • 内存:0kb
  • [2024-02-10 13:03:21]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
#define pll pair <ll,ll>
#define fi first
#define se second
#define sz(a) (ll((a).size()))
#define BIT(mask,i) (((mask) >> (i))&1LL)
#define MASK(i) (1LL << (i))
vector <string> s8;
vector <string> s4;
ll n8,n4;
vector <ll> g[30010];
vector <ll> ans[30010];
vector <ll> subsets;
ll ap[4010][4010];
ll fi(string s,vector <string> &a){
    return lower_bound(a.begin(),a.end(),s)-a.begin();
}
void generate_dictionary(){
    for (ll mask = 0;mask < MASK(8);mask++)if (__builtin_popcount(mask)==4)subsets.push_back(mask);
    memset(ap,-1,sizeof ap);
    cin>>n8;
    for (ll i = 0;i < n8;i ++){
        string s;
        cin>>s;
        s8.push_back(s);
    }
    cin>>n4;
    map <string,vector <ll> > mask_ids;
    for (ll i = 0;i < n4;i ++){
        string s;
        cin>>s;
        s4.push_back(s);
        sort(s.begin(),s.end());
        mask_ids[s].push_back(i);
    }
    for (ll i = 0;i < n8;i ++){
        for (auto mask:subsets){
            string tmp;
            for (ll j = 0;j < 8;j ++){
                if (BIT(mask,j))tmp.push_back(s8[i][j]);
            }
            sort(tmp.begin(),tmp.end());
            g[i].insert(g[i].end(),mask_ids[tmp].begin(),mask_ids[tmp].end());
        }
        sort(g[i].begin(),g[i].end());
        g[i].resize(unique(g[i].begin(),g[i].end())-g[i].begin());
    }
    vector <ll> order(n8);
    iota(order.begin(),order.end(),0);
    sort(order.begin(),order.end(),[&](ll x,ll y){return sz(g[x])<sz(g[y]);});
    for (auto x:order){
        if (sz(g[x])>=3){
            ll x1,x2,x3;
            for (ll i1 =    0;ans[x].empty() && i1 < sz(g[x]);i1++){
                x1 = g[x][i1];
                for (ll i2 = i1+1;ans[x].empty() && i2 < sz(g[x]);i2++){
                    x2 = g[x][i2];
                    if (ap[x1][x2]!=-1)continue;
                    for (ll i3 = i2+1;ans[x].empty() && i3 < sz(g[x]);i3++){
                        x3 = g[x][i3];
                        if (ap[x1][x3]==-1 && ap[x2][x3]==-1){
                            ap[x1][x2]=ap[x1][x3]=ap[x2][x1]=ap[x2][x3]=ap[x3][x1]=ap[x3][x2]=x;
                            ans[x] = {x1,x2,x3};
                        }
                    }
                }
            }
            assert(!ans[x].empty());
        }
    }
}
int main(){
    ios_base::sync_with_stdio(0);cin.tie(nullptr);cout.tie(nullptr);
    string task;
    cin>>task;
    if (task=="password"){
        ll n;
        cin>>n;
        vector <string> all;
        for (ll i = 1;i <= n;i ++){
            string s;
            cin>>s;
            all.push_back(s);
        }
        generate_dictionary();
        for (auto x:all){
            ll id_x = fi(x,s8);
//            cout<<x<<' ';
            for (auto y:ans[id_x]){
                cout<<s4[y]<<' ';
            }
            cout<<'\n';
        }
    }
    else{
        ll n;
        cin>>n;
        vector <pair <string,string> > all;
        for (ll i = 1;i <= n;i ++){
            string s1,s2;
            cin>>s1>>s2;
            all.push_back({s1,s2});
        }
        generate_dictionary();
        for (auto x:all){
            pll id_x = {fi(x.fi,s4),fi(x.se,s4)};
            cout<<s8[ap[id_x.fi][id_x.se]]<<'\n';
        }
    }
}
/*
password
2
password
couthier
2
couthier password
6
ctie hier road saws swap thou

keys
4
swap road
thou ctie
saws swap
road saws
2
couthier password
6
ctie hier road saws swap thou

road saws swap
ctie hier thou
*/

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...

output:


input:


output:


result: