답안 #97935

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
97935 2019-02-19T14:54:16 Z Jatana Selling RNA Strands (JOI16_selling_rna) C++17
35 / 100
1500 ms 91708 KB
/*
                                                                                                     
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           ./s+//:::::://oo-``..НЕЙРОННУЮ: СЕТЬ:::::::-`РАБОТЯГИ        `+:--........--:/`          
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            `-++///////+o/. ``....`-.    :` `.:++++++/:.`  .-           -o/---......---/o.   `.`    
           `++//:-----::/+o:..`     .-`   :    ```````    .-           `+so+:--------:++-`          
  `````:-``:o/::-..`..--:/+o`         -.  `-             .-          `../../+o+////+o+:.`           
  -----syo/o+/:--.```..-://s.          .-` `-           .-        `...     ``-:////:-``             
       .` `/s//:--....-::/+s.            -. `-`        .-       `..`                                
           .+o+/:::--:://+s/-..`          .::+y  ```  .-     `..`                                   
            ./oo++////+oso-`   `....       :y-+:::::::/`   ...                                      
             `.:+oooooo/-`         `....-. .//:-------:/:-.`                                        
                ``...``                 /+:+:--.......--:+`                                         
                                         `+:--..`````..--//`                                        
                                         .o:--..`` ``..--:o`                                        
                                         .+/--...```..--:+/`                                        
                                         `-o/:---...---:++.                                         
                                          `-+o+/:---:/+o/.                                          
                                            `.:+oooo+/-.`                                           
                                               ``````                                               
*/

#ifdef aimbot
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimize("unroll-loops")
#endif

#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <map>
#include <set>
#include <queue>
#include <ostream>
#include <istream>
#include <typeinfo>
#include <iomanip>
#include <cstdio>
#include <cstdlib>
#include <cassert>
#include <limits>
#include <fstream>
#include <array>
#include <list>
#include <bitset>
#include <functional>
#include <random>
#include <cstring>
#include <chrono>

#define random escape__from__random__aetuhoetnuhshe
#define mt make_tuple
#define x first
#define y second
#define pb push_back
#define ppb pop_back
#define mp make_pair
#define umap unordered_map
#define uset unordered_set
#define elif else if
#define len(v) ((int)v.size())
#define f(i, n) for (int i = 0; i < (n); i++)
#define rof(i, n) for (int i = ((n) - 1); i >= 0; i--) 
#define apply(v, act) for (auto &x : v) { act; }
#define log(args...) {string s = #args;deque<string> deq;\
string buf = "";int bal = 0;for (char c : s) {\
if (c == '(' || c == '[' || c == '{') {bal++;\
} else if (c == ')' || c == ']' || c == '}') {\
bal--;} else {if (bal == 0) {if (c == ',') {\
deq.pb(buf);buf = "";} else {if (c != ' ') {\
buf += c;}}}}}if (!buf.empty()) {deq.pb(buf);}\
smart_io::precall_print();smart_io::_print(deq, args);}

#define print    \
smart_io::precall_print(); \
cout,

#define scan cin,

#ifdef fast_allocator
const int MAXMEM = 200 * 1000 * 1024;
char _memory[MAXMEM];
size_t _ptr = 0;
void* operator new(size_t _x) { _ptr += _x; assert(_ptr < MAXMEM); return _memory + _ptr - _x; }
void operator delete (void*) noexcept {}
#endif

using namespace std;

char string_in_buffer[(int)2e5];


void fast_scan(int &x) { scanf("%d", &x); }
void fast_scan(long long &x) { scanf("%lld", &x); }
void fast_scan(unsigned long long &x) { scanf("%llu", &x); }
void fast_scan(double &x) { scanf("%lf", &x); }
void fast_scan(long double &x) { scanf("%Lf", &x); }
void fast_scan(char &x) { 
	scanf("%c", &x); 
	if (x == '\n') {
		fast_scan(x);
	}
}
void fast_scan(string &x) {
	scanf("%s", string_in_buffer);
	x = string(string_in_buffer);
}

template<class TFirst, class TSecond>
void fast_scan(pair<TFirst, TSecond> &p) {
	fast_scan(p.first);
	fast_scan(p.second);
}

template <class T>
void fast_scan(vector<T> &v) {
	for (auto &x : v) fast_scan(x);
}

void fast_print(const int &x) { printf("%d", x); }
void fast_print(const unsigned int &x) { printf("%u", x); }
void fast_print(const long long &x) { printf("%lld", x); }
void fast_print(const unsigned long long &x) { printf("%llu", x); }
void fast_print(const double &x) { printf("%.15lf", x); }
void fast_print(const long double &x) { printf("%.15Lf", x); }
void fast_print(const char &x) { printf("%c", x); };
void fast_print(const string &x) { printf("%s", x.c_str());}
void fast_print(const char v[]) { fast_print((string)v); }

template<class TFirst, class TSecond>
void fast_print(const pair<TFirst, TSecond> &p) {
	fast_print(p.first);
	fast_print(' ');
	fast_print(p.second);
}

template <class T>
void fast_print(const vector<T> &v) {
	if (v.empty()) return;
	fast_print(v[0]);
	for (int i = 1; i < v.size(); i++) {
		fast_print(' ');
		fast_print(v[i]);
	}
}

template <class T>
void fast_print(const vector<vector<T>> &v) {
	if (v.empty()) return;
	fast_print(v[0]);
	for (int i = 1; i < v.size(); i++) {
		fast_print('\n');
		fast_print(v[i]);
	}
}

template <class T>
void fast_print(const T &v) {
	for (const auto &x : v) {
		fast_print(x);
		fast_print(' ');
	}
}


using namespace std;


namespace smart_io {
	string print_start = "";
	string sep = " ";
	bool first_print = false;

	void precall_print() {
		fast_print(print_start);
		print_start = "\n";
		first_print = true;
	}

	void _print(deque<string>) {}
	template<class T, class... Args>
	void _print(deque<string> names, T elem, Args... args) {
		if (!first_print) {
			fast_print("\n");
		} else {
			first_print = false;
		}
		fast_print(names.front());
		fast_print(" = ");
		fast_print(elem);
		names.pop_front();
		_print(names, args...);
	}
} //namespace smart_io


template <class T>
ostream &operator,(ostream &os, const T &object) {
	if (!smart_io::first_print) {
		fast_print(smart_io::sep);
	} else {
		smart_io::first_print = false;
	}
	fast_print(object);
	return os;
}

template <class T>
istream &operator,(istream &is, T &object) {
	fast_scan(object);
	return is;
}

namespace random {
	using namespace std::chrono;
	mt19937 rng(duration_cast< milliseconds >(
		system_clock::now().time_since_epoch()
	).count());
	uniform_real_distribution<> prob_dist(0.0, 1.0);
};

namespace typedefs {
	typedef long long ll;
	typedef unsigned long long ull;
	typedef pair<int, int> pii;
	typedef long double ld;
}

namespace numbers_operation {
	template<class T>
	T floor_mod(T a, T b) {
		if (a >= 0 && b >= 0) return a % b;
		if (a <= 0 && b <= 0) return a % b;
		return abs(b) - (abs(a) % abs(b));
	}
}

using namespace numbers_operation;
using namespace typedefs;
using namespace random;

int n, m;

const ll MOD = 10000000000000061;
const ll base = 179;

vector<ll> power;

struct Hasher {
	vector<ll> hash;
	vector<ll> rehash;
	Hasher(string s) {
		hash.resize(len(s));
		hash[0] = s[0];
		for (int i = 1; i < len(s); i++) {
			hash[i] = ((hash[i - 1] * base) + s[i]) % MOD;
		}
		reverse(s.begin(), s.end());
		rehash.resize(len(s));
		rehash[0] = s[0];
		for (int i = 1; i < len(s); i++) {
			rehash[i] = ((rehash[i - 1] * base) + s[i]) % MOD;
		}
	}
};

ll mul(ll a, ll b) {
	__int128 x = a;
	__int128 y = b;
	x *= y;
	__int128 __module = MOD;
	return x % __module;
}

const int LIM = 100;

// unordered_map<ll, int> calc;
vector<ll> calc;

vector<int> rez;

struct Node {
	Node *go[26];
	vector<ll> values;
	vector<pair<ll, int>> qs;
	int size = 0;

	Node() {
		f(i, 26) {
			go[i] = NULL;
		}
	}

	void add_string(int i, const string &s) {
		size += len(s);
		if (i == len(s)) {
			Hasher hasher(s);
			for (int i = 0; i < len(s); i++) {
				values.pb(hasher.rehash[i]);
			}
		} else {
			if (!go[s[i] - 'A']) {
				go[s[i] - 'A'] = new Node();
			}
			go[s[i] - 'A']->add_string(i + 1, s);
		}
	}
	void add_query(int i, const string &s, const ll &sub, const int &id) {
		if (i == len(s)) {
			qs.emplace_back(sub, id);
		} else {
			if (!go[s[i] - 'A']) return;
			go[s[i] - 'A']->add_query(i + 1, s, sub, id);
		}
	}
	void dp(map<ll, int> &all) {
		int _max = -1;
		f(j, 26) {
			if (!go[j]) continue;
			if (_max == -1 || go[_max]->size < go[j]->size) {
				_max = j;
			}
		}
		if (_max != -1) {
			go[_max]->dp(all);
		}
		f(j, 26) {
			if (!go[j]) continue;
			if (j == _max) continue;
			map<ll, int> t;
			go[j]->dp(t);
			for (auto sub : t) {
				all[sub.x] += sub.y;
			}
		}
		for (ll cur : values) {
			all[cur]++;
		}
		for (auto q : qs) {
			rez[q.y] += all[q.x];
		}
	}
};

signed main(signed argc, char *argv[]) {
	power.pb(1);
	for (int i = 0; i < 2e6 + 100; i++) {
		power.pb((power.back() * base) % MOD);
	}
	scan n, m;
	vector<Hasher> big;
	Node *root = new Node();
	f(i, n) {
		string s;
		scan s;
		root->add_string(0, s);
	}
	sort(calc.begin(), calc.end());
	rez.resize(m);
	f(i, m) {
		int cnt = 0;
		string p, q;
		scan p, q;
		reverse(q.begin(), q.end());
		Hasher ph(p);
		Hasher pq(q);
		ll hp = ph.hash.back();
		ll hq = pq.hash.back();
		root->add_query(0, p, hq, i);
	}
	map<ll, int> ___;
	root->dp(___);
	f(i, m) {
		print rez[i];
	}
}

Compilation message

selling_rna.cpp: In function 'int main(int, char**)':
selling_rna.cpp:401:7: warning: unused variable 'cnt' [-Wunused-variable]
   int cnt = 0;
       ^~~
selling_rna.cpp:407:6: warning: unused variable 'hp' [-Wunused-variable]
   ll hp = ph.hash.back();
      ^~
selling_rna.cpp: In function 'void fast_scan(int&)':
selling_rna.cpp:133:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 void fast_scan(int &x) { scanf("%d", &x); }
                          ~~~~~^~~~~~~~~~
selling_rna.cpp: In function 'void fast_scan(long long int&)':
selling_rna.cpp:134:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 void fast_scan(long long &x) { scanf("%lld", &x); }
                                ~~~~~^~~~~~~~~~~~
selling_rna.cpp: In function 'void fast_scan(long long unsigned int&)':
selling_rna.cpp:135:46: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 void fast_scan(unsigned long long &x) { scanf("%llu", &x); }
                                         ~~~~~^~~~~~~~~~~~
selling_rna.cpp: In function 'void fast_scan(double&)':
selling_rna.cpp:136:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 void fast_scan(double &x) { scanf("%lf", &x); }
                             ~~~~~^~~~~~~~~~~
selling_rna.cpp: In function 'void fast_scan(long double&)':
selling_rna.cpp:137:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 void fast_scan(long double &x) { scanf("%Lf", &x); }
                                  ~~~~~^~~~~~~~~~~
selling_rna.cpp: In function 'void fast_scan(char&)':
selling_rna.cpp:139:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%c", &x); 
  ~~~~~^~~~~~~~~~
selling_rna.cpp: In function 'void fast_scan(std::__cxx11::string&)':
selling_rna.cpp:145:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", string_in_buffer);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 49 ms 16856 KB Output is correct
2 Correct 52 ms 16872 KB Output is correct
3 Correct 53 ms 16856 KB Output is correct
4 Correct 48 ms 16848 KB Output is correct
5 Correct 49 ms 16852 KB Output is correct
6 Correct 49 ms 16872 KB Output is correct
7 Correct 51 ms 16860 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1522 ms 91708 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 120 ms 18624 KB Output is correct
2 Correct 93 ms 18604 KB Output is correct
3 Correct 94 ms 18876 KB Output is correct
4 Correct 76 ms 17980 KB Output is correct
5 Correct 87 ms 19276 KB Output is correct
6 Correct 90 ms 18964 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 49 ms 16856 KB Output is correct
2 Correct 52 ms 16872 KB Output is correct
3 Correct 53 ms 16856 KB Output is correct
4 Correct 48 ms 16848 KB Output is correct
5 Correct 49 ms 16852 KB Output is correct
6 Correct 49 ms 16872 KB Output is correct
7 Correct 51 ms 16860 KB Output is correct
8 Execution timed out 1522 ms 91708 KB Time limit exceeded
9 Halted 0 ms 0 KB -