답안 #366230

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
366230 2021-02-13T15:10:10 Z ACmachine Selling RNA Strands (JOI16_selling_rna) C++17
35 / 100
1500 ms 279748 KB
#include <bits/stdc++.h>
using namespace std;

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;

template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T, typename U> using ordered_map = tree<T, U, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

typedef long long ll;
typedef long double ld;
typedef double db;
typedef string str;

typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pii> vpii;
typedef vector<pll> vpll;
typedef vector<str> vstr;

#define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
#define FORD(i,j,k,in) for(int i=(j); i >=(k);i-=in)
#define REP(i,b) FOR(i,0,b,1)
#define REPD(i,b) FORD(i,b,0,1)
#define pb push_back 
#define mp make_pair
#define ff first
#define ss second
#define all(x) begin(x), end(x)
#define rsz resize 
#define MANY_TESTS int tcase; cin >> tcase; while(tcase--)
	
const double EPS = 1e-9;
const int MOD = 1e9+7; // 998244353;
const ll INFF = 1e18;
const int INF = 1e9;
const ld PI = acos((ld)-1);
const vi dy = {1, 0, -1, 0, -1, 1, 1, -1};
const vi dx = {0, 1, 0, -1, -1, 1, -1, 1};

#ifdef DEBUG
#define DBG if(1)
#else
#define DBG if(0)
#endif

#define dbg(x) cout << "(" << #x << " : " << x << ")" << endl;
// ostreams
template <class T, class U>
ostream& operator<<(ostream& out, const pair<T, U> &par) {out << "[" << par.first << ";" << par.second << "]"; return out;}
template <class T>
ostream& operator<<(ostream& out, const set<T> &cont) { out << "{"; for( const auto &x:cont) out << x << ", "; out << "}"; return out; }
template <class T, class U>
ostream& operator<<(ostream& out, const map<T, U> &cont) {out << "{"; for( const auto &x:cont) out << x << ", "; out << "}"; return out; }
template<class T>
ostream& operator<<(ostream& out, const vector<T> &v){ out << "[";  REP(i, v.size()) out << v[i] << ", ";  out << "]"; return out;}
// istreams
template<class T>
istream& operator>>(istream& in, vector<T> &v){ for(auto &x : v) in >> x; return in; }
template<class T, class U>
istream& operator>>(istream& in, pair<T, U> &p){ in >> p.ff >> p.ss; return in; }
//searches
template<typename T, typename U>
T bsl(T lo, T hi, U f){ hi++; T mid; while(lo < hi){ mid = (lo + hi)/2; f(mid) ? hi = mid : lo = mid+1; } return lo; }
template<typename U>
double bsld(double lo, double hi, U f, double p = 1e-9){ int r = 3 + (int)log2((hi - lo)/p); double mid; while(r--){ mid = (lo + hi)/2; f(mid) ? hi = mid : lo = mid; } return (lo + hi)/2; }
template<typename T, typename U>
T bsh(T lo, T hi, U f){ lo--; T mid; while(lo < hi){ mid = (lo + hi + 1)/2; f(mid) ? lo = mid : hi = mid-1; } return lo; }
template<typename U>
double bshd(double lo, double hi, U f, double p = 1e-9){ int r = 3+(int)log2((hi - lo)/p); double mid; while(r--){ mid = (lo + hi)/2; f(mid) ? lo = mid : hi = mid; } return (lo + hi)/2; }
// some more utility functions
template<typename T>
pair<T, int> get_min(vector<T> &v){ typename vector<T> :: iterator it = min_element(v.begin(), v.end()); return mp(*it, it - v.begin());}
template<typename T>
pair<T, int> get_max(vector<T> &v){ typename vector<T> :: iterator it = max_element(v.begin(), v.end()); return mp(*it, it - v.begin());}        
template<typename T> bool ckmin(T& a, const T& b){return b < a ? a = b , true : false;}
template<typename T> bool ckmax(T& a, const T& b){return b > a ? a = b, true : false;}

ll mod = 58749678952092199;    
ll hash_base = 31;
int main(){
 	ios_base::sync_with_stdio(false);
 	cin.tie(NULL); cout.tie(NULL);
	int n, m;
    cin >> n >> m;
    auto get_hash = [&](string s){
        ll hsh = 0;
        vector<ll> hashes(s.length());
        REP(i, s.length()){
            hsh *= hash_base;
            hsh += (int)(s[i] - 'A' + 1);
            hsh %= mod;
            hashes[i] = hsh; 
        }
        return hashes;
    };
    vector<string> rna_chains(n);
    REP(i, n) cin >> rna_chains[i];
    vector<pair<ll, ll>> queries; 
    vector<ll> v;
    vector<pair<int, int>> sizes;
    REP(i, m){
        string p, q;
        cin >> p >> q;
        reverse(all(q));
        sizes.pb(mp(p.length(), q.length()));
        v = get_hash(p); 
        ll hsh1 = v[(int)p.length() - 1];
        v = get_hash(q);
        ll hsh2 = v[(int)q.length() - 1];
        queries.pb({hsh1, hsh2});
    }
    sort(all(sizes));
    sizes.erase(unique(all(sizes)), sizes.end());
    vector<ll> v2;
    map<pll, int> mapka;
    REP(i, n){
        v = get_hash(rna_chains[i]);
        reverse(all(rna_chains[i]));
        v2 = get_hash(rna_chains[i]); 
        int len = rna_chains[i].length();
        REP(j, sizes.size()){
            if(sizes[j].ff > len || sizes[j].ss > len) continue;
            mapka[mp(v[sizes[j].ff-1], v2[sizes[j].ss-1])]++;
        }
    }
    REP(j, queries.size()){
        if(mapka.find(queries[j]) != mapka.end())
            cout << mapka[queries[j]] << "\n";
        else
            cout << 0 << "\n";
    }
    return 0;
}

Compilation message

selling_rna.cpp: In lambda function:
selling_rna.cpp:26:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 | #define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
      |                                        ^
selling_rna.cpp:28:18: note: in expansion of macro 'FOR'
   28 | #define REP(i,b) FOR(i,0,b,1)
      |                  ^~~
selling_rna.cpp:94:9: note: in expansion of macro 'REP'
   94 |         REP(i, s.length()){
      |         ^~~
selling_rna.cpp: In function 'int main()':
selling_rna.cpp:26:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 | #define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
      |                                        ^
selling_rna.cpp:28:18: note: in expansion of macro 'FOR'
   28 | #define REP(i,b) FOR(i,0,b,1)
      |                  ^~~
selling_rna.cpp:127:9: note: in expansion of macro 'REP'
  127 |         REP(j, sizes.size()){
      |         ^~~
selling_rna.cpp:26:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 | #define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
      |                                        ^
selling_rna.cpp:28:18: note: in expansion of macro 'FOR'
   28 | #define REP(i,b) FOR(i,0,b,1)
      |                  ^~~
selling_rna.cpp:132:5: note: in expansion of macro 'REP'
  132 |     REP(j, queries.size()){
      |     ^~~
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 Grader output
1 Correct 309 ms 5996 KB Output is correct
2 Correct 783 ms 11884 KB Output is correct
3 Correct 504 ms 11500 KB Output is correct
4 Correct 637 ms 12012 KB Output is correct
5 Execution timed out 1595 ms 279748 KB Time limit exceeded
6 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 3676 KB Output is correct
2 Correct 40 ms 2788 KB Output is correct
3 Correct 46 ms 3552 KB Output is correct
4 Correct 21 ms 3296 KB Output is correct
5 Correct 41 ms 2788 KB Output is correct
6 Correct 54 ms 3552 KB Output is correct
# 결과 실행 시간 메모리 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 309 ms 5996 KB Output is correct
9 Correct 783 ms 11884 KB Output is correct
10 Correct 504 ms 11500 KB Output is correct
11 Correct 637 ms 12012 KB Output is correct
12 Execution timed out 1595 ms 279748 KB Time limit exceeded
13 Halted 0 ms 0 KB -