oj.uz

답안 #480867

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
480867 2021-10-18T13:35:50 Z hollwo_pelw Semafor (COI20_semafor) C++17
100 / 100
 424 ms 588 KB 
/*
// is short or still long ???
hollwo_pelw's template(short)
// Note : -Dhollwo_pelw_local
*/

#include <bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/trie_policy.hpp>
// #include <ext/rope>

using namespace std;
// using namespace __gnu_pbds;
// using namespace __gnu_cxx;

void FAST_IO(string filein = "", string fileout = "", string fileerr = ""){
	if (fopen(filein.c_str(), "r")){
		freopen(filein.c_str(), "r", stdin);
		freopen(fileout.c_str(), "w", stdout);
#ifdef hollwo_pelw_local
		freopen(fileerr.c_str(), "w", stderr);
#endif
	}
	cin.tie(0), cout.tie(0) -> sync_with_stdio(0);
}

void Hollwo_Pelw();

signed main(){
#ifdef hollwo_pelw_local
	FAST_IO("input.inp", "output.out", "error.err");
	auto start = chrono::steady_clock::now();
#else
	FAST_IO("semafor.inp", "semafor.out");
#endif
	int testcases = 1;
	// cin >> testcases;
	for (int test = 1; test <= testcases; test++){
		// cout << "Case #" << test << ": ";
		Hollwo_Pelw();
	}
#ifdef hollwo_pelw_local
	auto end = chrono::steady_clock::now();
	cout << "\nExcution time : " << chrono::duration_cast<chrono::milliseconds> (end - start).count() << "[ms]" << endl;
#endif
	return 0;
}

#define defop(type, op) \
	friend inline type operator op (type a, const type &b) { return a op##= b; } \
	type& operator op##= (const type &oth)
 
template<class T> struct mod_int {
	constexpr int mod() { return T::mod; }
 
	int v;
	mod_int(long long _v = 0) 
		: v(norm(_v)) {}
	
	inline int norm(long long a) {
		return a < 0 ? a % mod() + mod() : a % mod();
	}
	mod_int neg() const { return v == 0 ? 0 : mod() - v; }
	
	template <typename U>
	explicit operator U() const { return v; }
 
	mod_int operator - () const { return neg(); }
	mod_int operator + () const { return mod_int(*this); }
 
	mod_int& operator -- () { if (v == 0) v = mod(); -- v; return *this; }
	friend mod_int operator -- (mod_int& a, int) { mod_int r = a; --a; return r; }
	mod_int& operator ++ () { ++ v; if (v == mod()) v = 0; return *this; }
	friend mod_int operator ++ (mod_int& a, int) { mod_int r = a; ++a; return r; }
	
	defop(mod_int, +) {
		if ((v += oth.v) >= mod()) v -= mod();
		return *this;
	}
	defop(mod_int, -) {
		if ((v -= oth.v) < 0) v += mod();
		return *this;
	}
	defop(mod_int, *) {
		return *this = norm(1ll * v * oth.v);
	}
 
	mod_int pow(long long b) const {
		mod_int a = *this, r = 1;
		while (b) {
			if (b&1) r *= a;
			b >>= 1; a *= a;
		}
		return r;
	}
	mod_int inv() const { return pow(mod() - 2); }
 
	defop(mod_int, /) { 
		return *this *= oth.inv();
	}
 
#define compare(op) friend bool operator op \
(const mod_int& lhs, const mod_int& rhs) { return lhs.v op rhs.v; }
	compare(==) compare(!=) compare(<) compare(<=) compare(>) compare(>=)
#undef compare
 
	friend std::ostream& operator << (std::ostream& out, const mod_int& n) { return out << int(n); }
	friend std::istream& operator >> (std::istream& inp, mod_int& n) { long long x; inp >> x; n = mod_int(x); return inp; }
};
 
struct modular { static constexpr int mod = static_cast<int>(1e9 + 7); };
 
// struct modular { static int mod; };
// int modular::mod;
 
using Mint = mod_int<modular>;

struct matrix {
	vector<vector<Mint>> a;
	
	size_t size() { return a.size(); }

	vector<Mint>& operator [] (int x) {return a[x];}
	const vector<Mint>& operator [] (int x) const {return a[x];}

	matrix(int sz = 0, int v = 0) {
		a.assign(sz, vector<Mint>(sz));
		if (v) for (int i = 0; i < sz; i++) a[i][i] = v;
	}
};

matrix operator * (matrix a, matrix b) {
	int sz = a.size();
	
	matrix c(sz);
	for (int i = 0; i < sz; i++) {
		for (int j = 0; j < sz; j++) {
			for (int k = 0; k < sz; k++)
				c[i][j] += a[i][k] * b[k][j];
		}
	}

	return c;
}

matrix operator ^ (matrix a, int64_t b) {
	int sz = a.size();
	
	matrix r(sz, 1);
	while (b) {
		if (b&1) r = r * a;
		b >>= 1; a = a * a;
	}

	return r;
}

const int num[10] = {
	0b01010, // 0
	0b00010, // 1
	0b01001, // 2
	0b00111, // 3
	0b10010, // 4
	0b10101, // 5
	0b01100, // 6
	0b00011, // 7
	0b11101, // 8
	0b10111  // 9
};

int m, x, d, cnt;
int64_t n, k;

inline int tomask(int v) {
	return m == 1 ? num[v] : num[v % 10] << 5 | num[v / 10];
}

inline int dist(int a, int b) {
	return __builtin_popcount(tomask(a) ^ tomask(b));
}

matrix get_tran(const matrix& a) {
	matrix base(cnt);
	for (int i = 0; i < cnt; i++)
		for (int j = 0; j < cnt; j++)
			base[i][j] = a[0][dist(i, j)];
	return base;
}

void Hollwo_Pelw() {
	cin >> m >> n >> k >> x;
	cnt = m == 1 ? 10 : 100, d = m * 5;
	
	// free move in kth period

	matrix base(d + 1);
	for (int i = 0; i < d; i++) {
		base[i][i + 1] = i + 1;
		base[i + 1][i] = d - i;
	}
	matrix full = base ^ k;
	matrix left = base ^ (n % k);

	matrix res = (get_tran(full) ^ (n / k)) * get_tran(left);
	for (int i = 0; i < cnt; i++)
		cout << res[x][i] << '\n';
}

Compilation message

semafor.cpp: In function 'void FAST_IO(std::string, std::string, std::string)':
semafor.cpp:18:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |   freopen(filein.c_str(), "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
semafor.cpp:19:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |   freopen(fileout.c_str(), "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 280 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 17 ms 572 KB Output is correct
2 Correct 17 ms 568 KB Output is correct
3 Correct 17 ms 572 KB Output is correct
4 Correct 17 ms 460 KB Output is correct
5 Correct 17 ms 576 KB Output is correct
6 Correct 19 ms 572 KB Output is correct
7 Correct 18 ms 568 KB Output is correct
8 Correct 17 ms 580 KB Output is correct
9 Correct 17 ms 460 KB Output is correct

Subtask #4
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 81 ms 460 KB Output is correct
2 Correct 213 ms 552 KB Output is correct
3 Correct 327 ms 580 KB Output is correct
4 Correct 421 ms 548 KB Output is correct
5 Correct 401 ms 548 KB Output is correct
6 Correct 399 ms 568 KB Output is correct
7 Correct 406 ms 568 KB Output is correct
8 Correct 402 ms 460 KB Output is correct
9 Correct 390 ms 568 KB Output is correct
10 Correct 378 ms 552 KB Output is correct
11 Correct 49 ms 460 KB Output is correct
12 Correct 24 ms 460 KB Output is correct
13 Correct 424 ms 576 KB Output is correct

Subtask #5
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 81 ms 460 KB Output is correct
2 Correct 213 ms 552 KB Output is correct
3 Correct 327 ms 580 KB Output is correct
4 Correct 421 ms 548 KB Output is correct
5 Correct 401 ms 548 KB Output is correct
6 Correct 399 ms 568 KB Output is correct
7 Correct 406 ms 568 KB Output is correct
8 Correct 402 ms 460 KB Output is correct
9 Correct 390 ms 568 KB Output is correct
10 Correct 378 ms 552 KB Output is correct
11 Correct 49 ms 460 KB Output is correct
12 Correct 24 ms 460 KB Output is correct
13 Correct 424 ms 576 KB Output is correct
14 Correct 55 ms 460 KB Output is correct
15 Correct 175 ms 560 KB Output is correct
16 Correct 256 ms 460 KB Output is correct
17 Correct 325 ms 576 KB Output is correct
18 Correct 358 ms 572 KB Output is correct
19 Correct 294 ms 560 KB Output is correct
20 Correct 366 ms 580 KB Output is correct
21 Correct 388 ms 580 KB Output is correct
22 Correct 402 ms 568 KB Output is correct
23 Correct 317 ms 460 KB Output is correct
24 Correct 345 ms 548 KB Output is correct
25 Correct 322 ms 460 KB Output is correct
26 Correct 28 ms 572 KB Output is correct
27 Correct 41 ms 460 KB Output is correct
28 Correct 259 ms 580 KB Output is correct

Subtask #6
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 17 ms 572 KB Output is correct
2 Correct 17 ms 568 KB Output is correct
3 Correct 17 ms 572 KB Output is correct
4 Correct 17 ms 460 KB Output is correct
5 Correct 17 ms 576 KB Output is correct
6 Correct 19 ms 572 KB Output is correct
7 Correct 18 ms 568 KB Output is correct
8 Correct 17 ms 580 KB Output is correct
9 Correct 17 ms 460 KB Output is correct
10 Correct 81 ms 460 KB Output is correct
11 Correct 213 ms 552 KB Output is correct
12 Correct 327 ms 580 KB Output is correct
13 Correct 421 ms 548 KB Output is correct
14 Correct 401 ms 548 KB Output is correct
15 Correct 399 ms 568 KB Output is correct
16 Correct 406 ms 568 KB Output is correct
17 Correct 402 ms 460 KB Output is correct
18 Correct 390 ms 568 KB Output is correct
19 Correct 378 ms 552 KB Output is correct
20 Correct 49 ms 460 KB Output is correct
21 Correct 24 ms 460 KB Output is correct
22 Correct 424 ms 576 KB Output is correct
23 Correct 55 ms 460 KB Output is correct
24 Correct 175 ms 560 KB Output is correct
25 Correct 256 ms 460 KB Output is correct
26 Correct 325 ms 576 KB Output is correct
27 Correct 358 ms 572 KB Output is correct
28 Correct 294 ms 560 KB Output is correct
29 Correct 366 ms 580 KB Output is correct
30 Correct 388 ms 580 KB Output is correct
31 Correct 402 ms 568 KB Output is correct
32 Correct 317 ms 460 KB Output is correct
33 Correct 345 ms 548 KB Output is correct
34 Correct 322 ms 460 KB Output is correct
35 Correct 28 ms 572 KB Output is correct
36 Correct 41 ms 460 KB Output is correct
37 Correct 259 ms 580 KB Output is correct
38 Correct 23 ms 572 KB Output is correct
39 Correct 19 ms 576 KB Output is correct
40 Correct 18 ms 576 KB Output is correct
41 Correct 19 ms 460 KB Output is correct
42 Correct 20 ms 460 KB Output is correct
43 Correct 18 ms 460 KB Output is correct
44 Correct 19 ms 460 KB Output is correct
45 Correct 412 ms 576 KB Output is correct
46 Correct 363 ms 460 KB Output is correct
47 Correct 24 ms 576 KB Output is correct
48 Correct 18 ms 460 KB Output is correct
49 Correct 18 ms 460 KB Output is correct
50 Correct 18 ms 460 KB Output is correct
51 Correct 19 ms 588 KB Output is correct
52 Correct 124 ms 572 KB Output is correct