답안 #97928

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
97928 2019-02-19T14:26:10 Z Jatana Selling RNA Strands (JOI16_selling_rna) C++17
60 / 100
1500 ms 115140 KB
/*
                                                                                                     
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          `:s+/:--....-::/+s-`      .-   `-                -`           -///:--------:/:`           
           ./s+//:::::://oo-``..НЕЙРОННУЮ: СЕТЬ:::::::-`РАБОТЯГИ        `+:--........--:/`          
            .:ooo+++++osso-`    `.:-...`/` ./::-------:/:`   -`         :+--..``````.--:+:...-+:-`  
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                        -` .-`.-`     -.`-o/--...```..--:+/.``-:....``:-.+:--....`...--:+`          
                       ..`-.   `-.   ``:os:o/:---...---:++.  `-     ``///+:-..``````.--:+-````-.`   
              `.:///////.-`      .:-..` -``-+o+/:::::/+o/.  `-         `:+:-..`````..--:o/:--/ys+-  
            `-++///////+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 = 75;

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

signed main(signed argc, char *argv[]) {
	// calc.rehash((int)2e7);
	power.pb(1);
	for (int i = 0; i < 2e6 + 100; i++) {
		power.pb((power.back() * base) % MOD);
	}
	scan n, m;
	vector<Hasher> big;
	f(i, n) {
		string s;
		scan s;
		if (len(s) > LIM) {
			big.emplace_back(s);
		} else {
			Hasher hasher(s);
			for (int a = 1; a <= len(s); a++) {
				for (int b = 1; b <= len(s); b++) {
					ll A = hasher.hash[a - 1];
					ll B = hasher.rehash[b - 1];
					ll C = (A + mul(B, power[a + 1])) % MOD;
					// calc[C]++;
					calc.pb(C);
				}
			}
		}
	}
	sort(calc.begin(), calc.end());
	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();
		for (auto &t : big) {
			if (t.hash[len(p) - 1] == hp
					&& t.rehash[len(q) - 1] == hq) {
				cnt++;
			}
		}
		if (len(p) <= LIM && len(q) <= LIM) {
			ll C = (hp + mul(hq, power[len(p) + 1])) % MOD;
			cnt += upper_bound(calc.begin(), calc.end(), C) - lower_bound(calc.begin(), calc.end(), C);
		}
		print cnt;
	}
}

Compilation message

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 52 ms 16856 KB Output is correct
2 Correct 52 ms 16988 KB Output is correct
3 Correct 53 ms 16856 KB Output is correct
4 Correct 46 ms 16856 KB Output is correct
5 Correct 46 ms 16860 KB Output is correct
6 Correct 48 ms 16856 KB Output is correct
7 Correct 47 ms 16872 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 313 ms 53152 KB Output is correct
2 Correct 927 ms 71208 KB Output is correct
3 Correct 525 ms 59508 KB Output is correct
4 Correct 600 ms 70888 KB Output is correct
5 Correct 632 ms 49216 KB Output is correct
6 Correct 731 ms 49576 KB Output is correct
7 Correct 393 ms 40892 KB Output is correct
8 Correct 506 ms 47820 KB Output is correct
9 Correct 536 ms 47720 KB Output is correct
10 Correct 824 ms 48032 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 131 ms 20008 KB Output is correct
2 Correct 165 ms 29604 KB Output is correct
3 Correct 166 ms 24124 KB Output is correct
4 Correct 84 ms 22588 KB Output is correct
5 Correct 163 ms 29512 KB Output is correct
6 Correct 153 ms 24224 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 52 ms 16856 KB Output is correct
2 Correct 52 ms 16988 KB Output is correct
3 Correct 53 ms 16856 KB Output is correct
4 Correct 46 ms 16856 KB Output is correct
5 Correct 46 ms 16860 KB Output is correct
6 Correct 48 ms 16856 KB Output is correct
7 Correct 47 ms 16872 KB Output is correct
8 Correct 313 ms 53152 KB Output is correct
9 Correct 927 ms 71208 KB Output is correct
10 Correct 525 ms 59508 KB Output is correct
11 Correct 600 ms 70888 KB Output is correct
12 Correct 632 ms 49216 KB Output is correct
13 Correct 731 ms 49576 KB Output is correct
14 Correct 393 ms 40892 KB Output is correct
15 Correct 506 ms 47820 KB Output is correct
16 Correct 536 ms 47720 KB Output is correct
17 Correct 824 ms 48032 KB Output is correct
18 Correct 131 ms 20008 KB Output is correct
19 Correct 165 ms 29604 KB Output is correct
20 Correct 166 ms 24124 KB Output is correct
21 Correct 84 ms 22588 KB Output is correct
22 Correct 163 ms 29512 KB Output is correct
23 Correct 153 ms 24224 KB Output is correct
24 Execution timed out 1556 ms 115140 KB Time limit exceeded
25 Halted 0 ms 0 KB -