Submission #67552819


Source Code Expand

#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")

//
//
//                               S i r o t a n   w a t c h e s   o v e r   y o u .
//
//                                          ...Jggg+J+JJJg@NQmgJa.....,       
//                                 ....gH@@@@HHB""""7"YYYYHMMMMMMM@@@@@@@Hma,.   
//                            ...JH@@MMHY"!                        ? __""YH@@@@N&...     
//                        ..JH@@HY"~                                          _TW@@@Mme.    
//                     .Jg@@#"=                                                   _TTM@@N..     
//                  .Jg@@MY!                                                          ?T@@@h,.   
//                .-@@@B!                                                                (TM@@@L     
//              .(H@MY                                                                      ?W@@@+    
//             .W@@@                                                                          .T@@@[       
//           .d@@M!                                                                             .T@@N,   
//          .d@M@'                                                                                -W@@o. 
//         (@@M\                                                                                    ?M@N,
//        -d@M%                    ..,                                      ..,                      j@@b  
//       d@@M=                     TM9                                      ?MD                       W@@[ 
//      .H@M:                                                                                         .W@H,
//      H@Ht                                                                                           ,@@#   
//     (@@M~                                                                                           .@@h.
//    .@@M%                        ..gmHHJ.                             .JdHga.                        .H@@e  
//    j@@#_                       .@@@@@@@b                            J@@@@@@@h.                      .H@@\ 
//    d@@@                       .4@@@@@@MF                            (@@@@@@@@                        H@@b  
//    d@@[                         ?"BMY"=            .d@@@@H,          ?TWHHY"!                        d@@e    
//    J@@b          .JJJ-..,                         ,@@@@@@M%                       .........         -@@@M. 
//    ?@@M\         ?YHHM@@@@b                ..      .W@@HP                        X@@HMWY"=          d@@@#
//    ,@@@L.                                 ?H@Ng&+gd@@#H@@NHaJ+gH@[                                  J@@@] 
//     X@@@[            ......                 ?"YYYYY""   ?"YHHHB"^                 .....            (@@@#   
//      WH@N+.      .W@@@@MHB=                                                      .TWH@M@Hmc       .H@@M~    
//     .H@@@@N,      _!~                                                                            .d@@@N,   
//   .J@@#T@@@N,                                                                                  .d@@@@@@@b. 
//  (@@@@! .T@@@n,                                                                              .(H@@@H>.W@@@x  
// (@@@F      4@@@@MaJ.                                                                       .d@@@@Y77   4@@@r 
//.H@@P         ?TM@@@@N...                                                               .-JH@HMY=        d@@N,
//(@@@F             ?"WM@@@MQa-,.                                                  .(J(JN@@M#"             Z@@@L
// d@@H,                 (M@@@@@@@Ng&maJ....                           .. ...J.J+W@@@@@@HY!               .dH@b 
// ?M@@@N&.        ..(JW@@@MM"?7""TYHMH@@HH@@@@@HHHgkHagHa(mggdmmagH@H@@Q@@HMMMHY"7!TMM@@@HaJ,.        ..H@@@M^ 
//   ?"W@@@@MN@@@@@H@@MMY"                  _???!"= ?WMMBYYTMH=7""Y@""?"~^             _"YM@@@@@@@@MH@@@@@#"^ 
//       ?77WMMMYB""!                                                                        _7"WWMMMY"7=     

// need
#include <iostream>
#include <algorithm>
// data structure
#include <bitset>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <cstring>
#include <utility>
#include <vector>
#include <complex>
//#include <deque>
#include <valarray>
#include <unordered_map>
#include <unordered_set>
#include <array>
#include <ranges>
// etc
#include <cassert>
#include <cmath>
#include <functional>
#include <iomanip>
#include <chrono>
#include <random>
#include <numeric>
#include <fstream>

#if 0
std::ifstream ifs("AHC050/in/0000.txt");
auto & scan_in = ifs;
#else
auto & scan_in = std::cin;
#endif
auto & scan_out = std::cout;

// input
#define INIT std::ios::sync_with_stdio(false);std::cin.tie(0);
#define VAR(type, ...)type __VA_ARGS__;MACRO_VAR_Scan(__VA_ARGS__);
template<typename T> void MACRO_VAR_Scan(T & t) { scan_in >> t; }
template<typename First, typename...Rest>void MACRO_VAR_Scan(First & first, Rest& ...rest) { scan_in >> first; MACRO_VAR_Scan(rest...); }
#define VEC_ROW(type, n, ...)std::vector<type> __VA_ARGS__;MACRO_VEC_ROW_Init(n, __VA_ARGS__); for(int w_=0; w_<n; ++w_){MACRO_VEC_ROW_Scan(w_, __VA_ARGS__);}
template<typename T> void MACRO_VEC_ROW_Init(int n, T & t) { t.resize(n); }
template<typename First, typename...Rest>void MACRO_VEC_ROW_Init(int n, First & first, Rest& ...rest) { first.resize(n); MACRO_VEC_ROW_Init(n, rest...); }
template<typename T> void MACRO_VEC_ROW_Scan(int p, T & t) { scan_in >> t[p]; }
template<typename First, typename...Rest>void MACRO_VEC_ROW_Scan(int p, First & first, Rest& ...rest) { scan_in >> first[p]; MACRO_VEC_ROW_Scan(p, rest...); }
#define VEC(type, c, n) std::vector<type> c(n);for(auto& i:c)scan_in>>i;
#define MAT(type, c, m, n) std::vector<std::vector<type>> c(m, std::vector<type>(n));for(auto& R:c)for(auto& w:R)scan_in>>w;
// output
template<typename T>void MACRO_OUT(const T t) { scan_out << t; }
template<typename First, typename...Rest>void MACRO_OUT(const First first, const Rest...rest) { scan_out << first << ' '; MACRO_OUT(rest...); }
#define OUT(...) MACRO_OUT(__VA_ARGS__);
#define FOUT(n, dist) scan_out<<std::fixed<<std::setprecision(n)<<(dist);
#define SOUT(n, c, dist) scan_out<<std::setw(n)<<std::setfill(c)<<(dist);
#define VOUT(v) {auto tv_(v); for(size_t w_ = 0; w_ < tv_.size(); ++w_) {OUT(tv_[w_]);if(w_+1<tv_.size()){SP}}}
#define EOUT(...) do{ OUT(__VA_ARGS__); BR; exit(0); }while(0)
#define SP scan_out<<' ';
#define TAB scan_out<<'\t';
#define BR scan_out<<'\n';
#define SPBR(w, n) scan_out<<(w + 1 == n ? '\n' : ' ');
#define ENDL scan_out<<std::endl;
#define FLUSH scan_out<<std::flush;
#define SHOW(dist) {std::cerr << #dist << "\t: " << (dist) << '\n';}
// utility
#define ALL(a) (a).begin(),(a).end()
#define RALL(a) (a).rbegin(),(a).rend()
#define FOR(w, a, n) for(int w=(a);w<(n);++w)
#define REP(w, n) FOR(w, 0, n)
#define RFOR(w, a, n) for(int w=(n)-1;w>=(a);--w)
#define RREP(w, n) RFOR(w, 0, n)
#define FORC(w, a, n) for(char w=(a);w<(n);++w)
#define REPC(w, n) FORC(w, 0, n)
template<class S, class T, class U> bool IN(S a, T x, U b) { return a <= x && x < b; }
template<class T> inline bool CHMAX(T & a, const T b) { if (a < b) { a = b; return true; } return false; }
template<class T> inline bool CHMIN(T & a, const T b) { if (a > b) { a = b; return true; } return false; }
// test
template<class T> using V = std::vector<T>;
template<class T> using VV = V<V<T>>;
//
//std::ostream& operator<<(std::ostream& os, const __int128& t) {
//	if (t >= 1000000000000000000) {
//		os << (long long)(t / 1000000000000000000) << (long long)(t % 1000000000000000000);
//	}
//	else {
//		os << (long long)t;
//	}
//	return os;
//}
template<typename S, typename T>
std::ostream & operator<<(std::ostream & os, const std::pair<S, T> & p) {
	os << '(' << p.first << ',' << p.second << ')';
	return os;
}
template<typename T>
std::ostream & operator<<(std::ostream & os, const std::vector<T> & v) {
	os << '{';
	for (size_t i = 0; i < v.size(); ++i) {
		os << v[i];
		if (i + 1 < v.size()) os << ',';
	}
	os << '}';
	return os;
}
template<typename T>
std::ostream & operator<<(std::ostream & os, const std::set<T> & v) {
	os << '{';
	for (auto it = v.cbegin(); it != v.cend();) {
		os << *it << (++it == v.cend() ? '}' : ',');
	}
	return os;
}
template<typename S, typename T>
std::ostream & operator<<(std::ostream & os, const std::map<S, T> & m) {
	os << '{';
	for (auto it = m.cbegin(); it != m.cend();) { os << it->first << ':' << it->second; ++it; os << (it != m.cend() ? ',' : '}'); }
	return os;
}
template<typename T>
std::ostream & operator<<(std::ostream & os, std::queue<T> q) {
	os << '<';
	while (!q.empty()) { os << q.front(); q.pop(); os << (q.empty() ? '<' : ','); }
	return os;
}
template<typename T>
std::ostream & operator<<(std::ostream & os, std::stack<T> q) {
	os << '>';
	while (!q.empty()) { os << q.top(); q.pop(); os << (q.empty() ? ']' : ','); }
	return os;
}
namespace std {
	template<typename S, typename T> class numeric_limits<pair<S, T>> {
	public:
		static constexpr pair<S, T> max() noexcept { return { numeric_limits<S>::max(), numeric_limits<T>::max() }; }
		static constexpr pair<S, T> lowest() noexcept { return { numeric_limits<S>::lowest(), numeric_limits<T>::lowest() }; }
	};
}

// type/const
using i64 = long long;
using u64 = unsigned long long;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
//using PAIR = std::pair<int, int>;
using PAIR = std::pair<i64, i64>;
constexpr int INFINT = (1 << 30) - 1;                    // 1.07x10^ 9
constexpr int INFINT_LIM = (1LL << 31) - 1;              // 2.15x10^ 9
constexpr long long INFLL = 1LL << 60;                          // 1.15x10^18
constexpr long long INFLL_LIM = (1LL << 62) - 1 + (1LL << 62);  // 9.22x10^18
constexpr ld EPS = 1e-6;
constexpr int MOD = 998244353;
constexpr long double PI = 3.141592653589793238462643383279;
template<class T, size_t N> void FILL(T(&a)[N], const T & val) { for (auto & x : a) x = val; }
template<class ARY, size_t N, size_t M, class T> void FILL(ARY(&a)[N][M], const T & val) { for (auto & b : a) FILL(b, val); }
template<class T> void FILL(std::vector<T> & a, const T & val) { for (auto & x : a) x = val; }
template<class ARY, class T> void FILL(std::vector<std::vector<ARY>> & a, const T & val) { for (auto & b : a) FILL(b, val); }
// ------------>8------------------------>8------------

void calc() {
	VAR(int, n, k);
	VEC_ROW(int, n - 1, a, b);

	auto encode = [&](int p, int i, int dir) { return p * 2 * (n - 1) + i * 2 + dir; }; // k * (n-1) * 2
	auto decode = [&](int val) {
		int p = val / (2 * (n - 1));
		int i = val % (2 * (n - 1)) / 2;
		int dir = val % 2;
		return std::make_tuple(p, i, dir);
	};
	V<std::tuple<int, int, int>> decode_calc(k * (n - 1) * 2);
	REP(i, decode_calc.size()) decode_calc[i] = decode(i);

	std::vector<std::vector<std::pair<int, int>>> g(n);
	REP(i, n - 1) {
		--a[i]; --b[i];
		g[a[i]].emplace_back(i, 1);
		g[b[i]].emplace_back(i, 0);
	}

	V<int> dp(k * (n - 1) * 2, INFINT);
	std::queue<int> que;
	int add_cnt = 0;
	REP(i, n - 1) {
		if (a[i] == 0) {
			dp[encode(0, i, 0)] = 0;
			que.emplace(encode(0, i, 0));
			++add_cnt;
		}
		if (b[i] == 0) {
			dp[encode(0, i, 1)] = 0;
			que.emplace(encode(0, i, 1));
			++add_cnt;
		}
		if (add_cnt >= 2) break;
	}
	VV<int> calced_cnt(k, V<int>(n, 0));
	while (!que.empty()) {
		int cur = que.front(); que.pop();
		auto [p, eid, dir] = decode_calc[cur];
		int v = (dir == 0) ? a[eid] : b[eid];
		if (calced_cnt[p][v] < 2) ++calced_cnt[p][v];
		else continue;
		for (auto [neid, ndir] : g[v]) {
			if (p != 0 && eid == neid) continue;
			int u = (ndir == 0) ? a[neid] : b[neid];
			int to = encode((p + 1) % k, neid, ndir);
			if (CHMIN(dp[to], dp[cur] + 1)) {
				que.emplace(to);
			}
		}
	}
	//OUT("==========================================")BR;
	//REP(p, k) {
	//	REP(i, n) {
	//		int val = dp[encode(p, i)];
	//		if (val == INFINT) val = -1;
	//		OUT(val)SPBR(i, n);
	//	}
	//}
	V<int> ans(n, INFINT);
	REP(i, n - 1) {
		REP(dir, 2) {
			int v = (dir == 0) ? a[i] : b[i];
			int val = encode(0, i, dir);
			CHMIN(ans[v], dp[val]);
		}
	}
	FOR(i, 1, n) {
		if (ans[i] == INFINT) {
			OUT(-1);
		}
		else {
			OUT(ans[i] / k);
		}
		SPBR(i, n);
	}
}

signed main() {
	INIT;

	VAR(int, Q);
	REP(_, Q) {
		calc();
	}

	return 0;
}

Submission Info

Submission Time
Task F - Jump Traveling
User satanic0258
Language C++ 23 (gcc 12.2)
Score 525
Code Size 12595 Byte
Status AC
Exec Time 383 ms
Memory 159380 KiB

Compile Error

Main.cpp:26:1: warning: multi-line comment [-Wcomment]
   26 | //    j@@#_                       .@@@@@@@b                            J@@@@@@@h.                      .H@@\
      | ^
Main.cpp: In function ‘void calc()’:
Main.cpp:113:37: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::vector<std::tuple<int, int, int>, std::allocator<std::tuple<int, int, int> > >::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
  113 | #define FOR(w, a, n) for(int w=(a);w<(n);++w)
      |                                     ^
Main.cpp:114:19: note: in expansion of macro ‘FOR’
  114 | #define REP(w, n) FOR(w, 0, n)
      |                   ^~~
Main.cpp:217:9: note: in expansion of macro ‘REP’
  217 |         REP(i, decode_calc.size()) decode_calc[i] = decode(i);
      |         ^~~
Main.cpp:251:29: warning: unused variable ‘u’ [-Wunused-variable]
  251 |                         int u = (ndir == 0) ? a[neid] : b[neid];
      |                             ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 525 / 525
Status
AC × 2
AC × 53
Set Name Test Cases
Sample 00_sample_00.txt, 00_sample_01.txt
All 00_sample_00.txt, 00_sample_01.txt, 01_test_00.txt, 01_test_01.txt, 01_test_02.txt, 01_test_03.txt, 01_test_04.txt, 01_test_05.txt, 01_test_06.txt, 01_test_07.txt, 01_test_08.txt, 02_test_00.txt, 02_test_01.txt, 02_test_02.txt, 02_test_03.txt, 02_test_04.txt, 02_test_05.txt, 02_test_06.txt, 02_test_07.txt, 03_test_00.txt, 03_test_01.txt, 03_test_02.txt, 03_test_03.txt, 03_test_04.txt, 03_test_05.txt, 03_test_06.txt, 03_test_07.txt, 04_test_00.txt, 04_test_01.txt, 04_test_02.txt, 04_test_03.txt, 04_test_04.txt, 05_test_00.txt, 05_test_01.txt, 05_test_02.txt, 05_test_03.txt, 05_test_04.txt, 05_test_05.txt, 05_test_06.txt, 05_test_07.txt, 06_test_00.txt, 06_test_01.txt, 06_test_02.txt, 07_test_00.txt, 07_test_01.txt, 07_test_02.txt, 07_test_03.txt, 07_test_04.txt, 07_test_05.txt, 07_test_06.txt, 07_test_07.txt, 07_test_08.txt, 07_test_09.txt
Case Name Status Exec Time Memory
00_sample_00.txt AC 1 ms 3380 KiB
00_sample_01.txt AC 1 ms 3416 KiB
01_test_00.txt AC 50 ms 3480 KiB
01_test_01.txt AC 58 ms 3556 KiB
01_test_02.txt AC 75 ms 4660 KiB
01_test_03.txt AC 114 ms 11176 KiB
01_test_04.txt AC 154 ms 48684 KiB
01_test_05.txt AC 73 ms 24736 KiB
01_test_06.txt AC 76 ms 31732 KiB
01_test_07.txt AC 268 ms 158628 KiB
01_test_08.txt AC 383 ms 151912 KiB
02_test_00.txt AC 58 ms 3624 KiB
02_test_01.txt AC 73 ms 4252 KiB
02_test_02.txt AC 99 ms 9948 KiB
02_test_03.txt AC 165 ms 56228 KiB
02_test_04.txt AC 56 ms 26636 KiB
02_test_05.txt AC 59 ms 33148 KiB
02_test_06.txt AC 269 ms 158968 KiB
02_test_07.txt AC 382 ms 152092 KiB
03_test_00.txt AC 74 ms 3492 KiB
03_test_01.txt AC 98 ms 4300 KiB
03_test_02.txt AC 110 ms 10660 KiB
03_test_03.txt AC 141 ms 37548 KiB
03_test_04.txt AC 62 ms 23848 KiB
03_test_05.txt AC 68 ms 31004 KiB
03_test_06.txt AC 244 ms 157300 KiB
03_test_07.txt AC 311 ms 150120 KiB
04_test_00.txt AC 335 ms 150372 KiB
04_test_01.txt AC 319 ms 150368 KiB
04_test_02.txt AC 281 ms 150116 KiB
04_test_03.txt AC 294 ms 149960 KiB
04_test_04.txt AC 283 ms 150048 KiB
05_test_00.txt AC 213 ms 152256 KiB
05_test_01.txt AC 202 ms 151708 KiB
05_test_02.txt AC 109 ms 152512 KiB
05_test_03.txt AC 108 ms 152456 KiB
05_test_04.txt AC 98 ms 151928 KiB
05_test_05.txt AC 97 ms 151684 KiB
05_test_06.txt AC 97 ms 152552 KiB
05_test_07.txt AC 96 ms 152828 KiB
06_test_00.txt AC 53 ms 32892 KiB
06_test_01.txt AC 61 ms 33660 KiB
06_test_02.txt AC 64 ms 33612 KiB
07_test_00.txt AC 39 ms 32900 KiB
07_test_01.txt AC 45 ms 31340 KiB
07_test_02.txt AC 45 ms 40036 KiB
07_test_03.txt AC 56 ms 38240 KiB
07_test_04.txt AC 55 ms 39424 KiB
07_test_05.txt AC 98 ms 152268 KiB
07_test_06.txt AC 352 ms 150196 KiB
07_test_07.txt AC 123 ms 151968 KiB
07_test_08.txt AC 102 ms 159380 KiB
07_test_09.txt AC 242 ms 157316 KiB