Submission #431339

#	Time	Username	Problem	Language	Result	Execution time	Memory
431339		MarcoMeijer	Selling RNA Strands (JOI16_selling_rna)	C++14	35 / 100	1607 ms	232712 KiB

selling_rna

#include <bits/stdc++.h>
using namespace std;
 
// macros
typedef long long ll;
typedef long double ld;
typedef pair<int, int> ii;
typedef pair<ll, ll> lll;
typedef tuple<int, int, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<iii> viii;
typedef vector<ll> vll;
typedef vector<lll> vlll;
#define REP(a,b,c) for(int a=int(b); a<int(c); a++)
#define RE(a,c) REP(a,0,c)
#define RE1(a,c) REP(a,1,c+1)
#define REI(a,b,c) REP(a,b,c+1)
#define REV(a,b,c) for(int a=int(c-1); a>=int(b); a--)
#define FOR(a,b) for(auto& a : b)
#define all(a) a.begin(), a.end()
#define INF 1e18
#define EPS 1e-9
#define pb push_back
#define popb pop_back
#define fi first
#define se second
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
 
// input
template<class T> void IN(T& x) {cin >> x;}
template<class H, class... T> void IN(H& h, T&... t) {IN(h); IN(t...); }
 
// output
template<class T1, class T2> void OUT(const pair<T1,T2>& x);
template<class T> void OUT(const vector<T>& x);
template<class T> void OUT(const T& x) {cout << x;}
template<class H, class... T> void OUT(const H& h, const T&... t) {OUT(h); OUT(t...); }
template<class T1, class T2> void OUT(const pair<T1,T2>& x) {OUT(x.fi,' ',x.se);}
template<class T> void OUT(const vector<T>& x) {RE(i,x.size()) OUT(i==0?"":" ",x[i]);}
template<class... T> void OUTL(const T&... t) {OUT(t..., "\n"); }
template<class H> void OUTLS(const H& h) {OUTL(h); }
template<class H, class... T> void OUTLS(const H& h, const T&... t) {OUT(h,' '); OUTLS(t...); }
 
// dp
template<class T> bool ckmin(T&a, T&b) { bool bl = a > b; a = min(a,b); return bl;}
template<class T> bool ckmax(T&a, T&b) { bool bl = a < b; a = max(a,b); return bl;}
 
void program();
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    program();
}
 
 
// mod library
ll MOD=1e9+7;
 
inline ll mod(ll x_) {
    return (x_)%MOD;
}
ll modpow(ll x_, ll N_) {
    if(N_ == 0) return 1;
    ll a = modpow(x_,N_/2);
    a = (a*a)%MOD;
    if(N_%2) a = (a*x_)%MOD;
    return a;
}
ll inv(ll x_) {
    return modpow(x_, MOD-2);
}
class mi {
public:
    mi(ll v=0) {value = v;}
    mi  operator+ (ll rs) {return mod(value+rs);}
    mi  operator- (ll rs) {return mod(value-rs+MOD);}
    mi  operator* (ll rs) {return mod(value*rs);}
    mi  operator/ (ll rs) {return mod(value*inv(rs));}
    mi& operator+=(ll rs) {*this = (*this)+rs; return *this;}
    mi& operator-=(ll rs) {*this = (*this)-rs; return *this;}
    mi& operator*=(ll rs) {*this = (*this)*rs; return *this;}
    mi& operator/=(ll rs) {*this = (*this)/rs; return *this;}
    operator ll&() {return value;}
 
    ll value;
};
typedef vector<mi> vmi;
 
//===================//
//   begin program   //
//===================//
 
const int MX = 2e5;
const int N = (1<<23);
 
// debug
void printString(string s) {
    FOR(c,s) c+='a';
    OUTL(s);
}
 
int n, m;
string s[MX], p[MX], q[MX];
 
// tree
int nodes=1;
vi adj[N];
int w[N];
void createNode(int u) {
    RE(i,4) adj[u].pb(nodes++);
}
 
// trie
string t;
int bg[MX];
int addTrie(int u, int i) {
    if(t.size() == i)
        return u;
    if(adj[u].empty())
        createNode(u);
    return addTrie(adj[u][t[i]],i+1);
}
int getTrie(int u, int i) {
    if(t.size() == i)
        return u;
    if(adj[u].empty())
        return -1;
    return getTrie(adj[u][t[i]],i+1);
}

// 2d problem
int x[MX], y[MX];
int bgx[MX], edx[MX], bgy[MX], edy[MX];
 
void program() {
    // input
    IN(n,m);
    RE(i,n) IN(s[i]);
    RE(i,m) IN(p[i],q[i]);
 
    // compress strings
    map<char,char> charToComp;
    charToComp['A']=0, charToComp['U']=1, charToComp['G']=2, charToComp['C']=3;
    RE(i,n) FOR(c,s[i]) c = charToComp[c];
    RE(i,m) {
        FOR(c,p[i]) c = charToComp[c];
        FOR(c,q[i]) c = charToComp[c];
    }
 
    // create trie
    RE(i,m) reverse(all(q[i]));
    RE(_,2) { // x
        vector<string> v;
        RE(i,n) v.pb(s[i]);
        RE(i,m) v.pb((_?q:p)[i]);
        sort(all(v));

        RE(i,n)
            (_?y:x)[i] = lower_bound(all(v),s[i]) - v.begin();
        
        RE(i,m) {
            (_?bgy:bgx)[i] = lower_bound(all(v),(_?q:p)[i]) - v.begin();
            (_?q:p)[i].back()++;
            (_?edy:edx)[i] = lower_bound(all(v),(_?q:p)[i]) - v.begin() - 1;
            (_?q:p)[i].back()--;
        }

        RE(i,n) reverse(all(s[i]));
    }

    RE(i,m) {
        int cnt = 0;
        RE(j,n) {
            if(bgx[i] <= x[j] && x[j] <= edx[i] && bgy[i] <= y[j] && y[j] <= edy[i])
                cnt++;
        }
        OUTL(cnt);
    }
}

Compilation message (stderr)

selling_rna.cpp: In function 'int addTrie(int, int)':
selling_rna.cpp:119:17: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  119 |     if(t.size() == i)
      |        ~~~~~~~~~^~~~
selling_rna.cpp: In function 'int getTrie(int, int)':
selling_rna.cpp:126:17: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  126 |     if(t.size() == i)
      |        ~~~~~~~~~^~~~

• Subtask 1: 10 / 10
• Subtask 2: 25 / 25
• Subtask 3: 0 / 25
• Subtask 4: 0 / 40