Submission #97925

# Submission time Handle Problem Language Result Execution time Memory
97925 2019-02-19T14:22:56 Z Jatana Selling RNA Strands (JOI16_selling_rna) C++17
60 / 100
1500 ms 80352 KB
/*
                                                                                                     
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                                           `//:-------:/:`                                          
                                          .+:--.......--:+`                                         
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                                       `/y+o/---....---:+o.                                         
                                   `...````-os+/:---:/+o/--.`                                       
              `-/+++++/:.      `...`       :h+d+oooo+/+-`   ...                                     
            `/++//:::://++-`....`         -.`//````````:`     `..`                                  
           `o+/::------://o/`           `-` -.          -`       `..`                               
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          `:s+/:--....-::/+s-`      .-   `-                -`           -///:--------:/:`           
           ./s+//:::::://oo-``..НЕЙРОННУЮ: СЕТЬ:::::::-`РАБОТЯГИ        `+:--........--:/`          
            .:ooo+++++osso-`    `.:-...`/` ./::-------:/:`   -`         :+--..``````.--:+:...-+:-`  
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  -----ss+:++/:--.```..-://s.  /.     `::                    `-:.     ./`                           
  `````/:..+o/::-..``.--:/+s. ..-`   `-``-`                 ..` `-`  `-`-`                          
          `-s+/::-----::/+oo---``-` ..    .:-    ```      .-`     .-.-  `-`                         
           `:oo+//::://+os/..:`..-/:`      :y.-:::::::.`.-`        ./-`  `-`                        
            `./+oooooooo+/.`-    .-:...`.. .//:-------://`        `- `..` `:.                       
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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 = 50;

unordered_map<ll, int> calc;

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;
	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]++;
				}
			}
		}
	}
	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 += calc[C];
			// log(calc[len(p)][len(q)][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);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 50 ms 16856 KB Output is correct
2 Correct 48 ms 16864 KB Output is correct
3 Correct 45 ms 16856 KB Output is correct
4 Correct 51 ms 16848 KB Output is correct
5 Correct 48 ms 17048 KB Output is correct
6 Correct 48 ms 16848 KB Output is correct
7 Correct 49 ms 16848 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 355 ms 53460 KB Output is correct
2 Correct 1269 ms 64636 KB Output is correct
3 Correct 651 ms 59492 KB Output is correct
4 Correct 920 ms 63804 KB Output is correct
5 Correct 1010 ms 59196 KB Output is correct
6 Correct 872 ms 52668 KB Output is correct
7 Correct 415 ms 40016 KB Output is correct
8 Correct 497 ms 47804 KB Output is correct
9 Correct 501 ms 47676 KB Output is correct
10 Correct 990 ms 47936 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 111 ms 16848 KB Output is correct
2 Correct 196 ms 19008 KB Output is correct
3 Correct 149 ms 16956 KB Output is correct
4 Correct 115 ms 16872 KB Output is correct
5 Correct 170 ms 19004 KB Output is correct
6 Correct 139 ms 17184 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 50 ms 16856 KB Output is correct
2 Correct 48 ms 16864 KB Output is correct
3 Correct 45 ms 16856 KB Output is correct
4 Correct 51 ms 16848 KB Output is correct
5 Correct 48 ms 17048 KB Output is correct
6 Correct 48 ms 16848 KB Output is correct
7 Correct 49 ms 16848 KB Output is correct
8 Correct 355 ms 53460 KB Output is correct
9 Correct 1269 ms 64636 KB Output is correct
10 Correct 651 ms 59492 KB Output is correct
11 Correct 920 ms 63804 KB Output is correct
12 Correct 1010 ms 59196 KB Output is correct
13 Correct 872 ms 52668 KB Output is correct
14 Correct 415 ms 40016 KB Output is correct
15 Correct 497 ms 47804 KB Output is correct
16 Correct 501 ms 47676 KB Output is correct
17 Correct 990 ms 47936 KB Output is correct
18 Correct 111 ms 16848 KB Output is correct
19 Correct 196 ms 19008 KB Output is correct
20 Correct 149 ms 16956 KB Output is correct
21 Correct 115 ms 16872 KB Output is correct
22 Correct 170 ms 19004 KB Output is correct
23 Correct 139 ms 17184 KB Output is correct
24 Execution timed out 1563 ms 80352 KB Time limit exceeded
25 Halted 0 ms 0 KB -