Submission #341154

# Submission time Handle Problem Language Result Execution time Memory
341154 2020-12-29T04:20:55 Z rrrr10000 Selling RNA Strands (JOI16_selling_rna) C++14
35 / 100
1500 ms 336476 KB
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n)  for(long long i=0;i<(long long)(n);i++)
#define REP(i,k,n) for(long long i=k;i<(long long)(n);i++)
#define all(a) a.begin(),a.end()
#define rsort(a) {sort(all(a));reverse(all(a));}
#define pb emplace_back
#define lb(v,k) (lower_bound(all(v),(k))-v.begin())
#define fi first
#define se second
#define dame(a) {out(a);return 0;}
#define dupli(a) {sort(all(a));a.erase(unique(all(a)),a.end());}
typedef long long ll;
typedef pair<ll,ll> P;
typedef tuple<ll,ll,ll> PP;
using vi=vector<ll>;
using vvi=vector<vi>;
using vp=vector<P>;
using vvp=vector<vp>;
using vb=vector<bool>;
using vvb=vector<vb>;
const ll inf=1001001001001001001;
template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;}
template<class T> bool chmax(T&a,T b){if(a<b){a=b;return true;}return false;}
template<class T> void out(T a){cout<<a<<'\n';}
template<class T> void outp(T a){cout<<'('<<a.fi<<','<<a.se<<')'<<'\n';}
template<class T> void outvp(T v){rep(i,v.size())cout<<'('<<v[i].fi<<','<<v[i].se<<')';cout<<'\n';}
template<class T> void outvvp(T v){rep(i,v.size())outvp(v[i]);}
template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<'\n';}
template<class T> void outvv(T v){rep(i,v.size())outv(v[i]);}
const ll sz=4;
vector<string> str;
vector<pair<string,string>> query;
vi ans;
ll char_to_ll(char c){
    if(c=='A')return 0;
    if(c=='G')return 1;
    if(c=='C')return 2;
    if(c=='U')return 3;
}
vp stringnum;
vector<pair<P,P>> querynum;
class trie{
public:
    vvi ch,q;
    vp range;
    ll c=1,euler;
    vvi res;
    trie(ll k){
        ch=vvi(1,vi(sz,-1));
        res=vvi(1);
    }
    void insert(ll num){
        ll w=0;
        rep(i,str[num].size()){
            ll t=char_to_ll(str[num][i]);
            if(ch[w][t]==-1){
                ch[w][t]=c++;
                res.pb(vi(0));ch.pb(vi(4,-1));
                w=ch[w][t];
            }
            else{
                w=ch[w][t];
            }
        }
        res[w].pb(num);
    }
    void add_query(ll num){
        if(q.size()==0)q=vvi(c);
        ll w=0;
        rep(i,query[num].fi.size()){
            ll t=char_to_ll(query[num].fi[i]);
            if(ch[w][t]==-1)return;
            else w=ch[w][t];
        }
        q[w].pb(num);
    }
    void euler_tour(ll w){
        if(range.size()==0){
            euler=0;
            range=vp(c);
        }
        range[w].fi=euler++;
        rep(i,sz)if(ch[w][i]!=-1)euler_tour(ch[w][i]);
        range[w].se=euler;
        for(ll x:res[w])stringnum[x].fi=range[w].fi;
        for(ll x:q[w])querynum[x].fi=range[w];
    }
};
class rtrie{
public:
    vvi ch,q;
    vp range;
    ll c=1,euler;
    vvi res;
    rtrie(ll k){
        ch=vvi(1,vi(sz,-1));
        res=vvi(1);
    }
    void insert(ll num){
        ll w=0;
        for(int i=str[num].size()-1;i>=0;i--){
            ll t=char_to_ll(str[num][i]);
            if(ch[w][t]==-1){
                ch[w][t]=c++;
                res.pb(vi(0));ch.pb(vi(4,-1));
                w=ch[w][t];
            }
            else{
                w=ch[w][t];
            }
        }
        res[w].pb(num);
    }
    void add_query(ll num){
        if(q.size()==0)q=vvi(c);
        ll w=0;
        for(int i=query[num].se.size()-1;i>=0;i--){
            ll t=char_to_ll(query[num].se[i]);
            if(ch[w][t]==-1)return;
            else w=ch[w][t];
        }
        q[w].pb(num);
    }
    void euler_tour(ll w){
        if(range.size()==0){
            euler=0;
            range=vp(c);
        }
        range[w].fi=euler++;
        rep(i,sz)if(ch[w][i]!=-1)euler_tour(ch[w][i]);
        range[w].se=euler;
        for(ll x:res[w])stringnum[x].se=range[w].fi;
        for(ll x:q[w])querynum[x].se=range[w];
    }
};
int main(){
    ll n,m;cin>>n>>m;
    str=vector<string>(n);
    query=vector<pair<string,string>>(m);
    stringnum=vp(n);querynum=vector<pair<P,P>>(m);
    ans=vi(m);
    rep(i,n)cin>>str[i];
    rep(i,m)cin>>query[i].fi>>query[i].se;
    trie tr(1);
    rtrie rtr(1);
    rep(i,n){
        tr.insert(i);
        rtr.insert(i);
    }
    rep(i,m){
        tr.add_query(i);
        rtr.add_query(i);
    }
    tr.euler_tour(0);rtr.euler_tour(0);
    rep(i,m)rep(j,n){
        if(querynum[i].fi.fi<=stringnum[j].fi&&stringnum[j].fi<querynum[i].fi.se){
            if(querynum[i].se.fi<=stringnum[j].se&&stringnum[j].se<querynum[i].se.se){
                ans[i]++;
            }
        }
    }
    for(ll x:ans)out(x);
}

Compilation message

selling_rna.cpp: In function 'll char_to_ll(char)':
selling_rna.cpp:40:1: warning: control reaches end of non-void function [-Wreturn-type]
   40 | }
      | ^
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 583 ms 269136 KB Output is correct
2 Correct 679 ms 259544 KB Output is correct
3 Correct 581 ms 269784 KB Output is correct
4 Correct 650 ms 257248 KB Output is correct
5 Correct 754 ms 331580 KB Output is correct
6 Correct 783 ms 336476 KB Output is correct
7 Correct 188 ms 14956 KB Output is correct
8 Correct 609 ms 204988 KB Output is correct
9 Correct 549 ms 174116 KB Output is correct
10 Correct 429 ms 164236 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 1585 ms 9704 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 583 ms 269136 KB Output is correct
9 Correct 679 ms 259544 KB Output is correct
10 Correct 581 ms 269784 KB Output is correct
11 Correct 650 ms 257248 KB Output is correct
12 Correct 754 ms 331580 KB Output is correct
13 Correct 783 ms 336476 KB Output is correct
14 Correct 188 ms 14956 KB Output is correct
15 Correct 609 ms 204988 KB Output is correct
16 Correct 549 ms 174116 KB Output is correct
17 Correct 429 ms 164236 KB Output is correct
18 Execution timed out 1585 ms 9704 KB Time limit exceeded
19 Halted 0 ms 0 KB -