結果

問題 No.1023 Cyclic Tour
ユーザー daut-dlangdaut-dlang
提出日時 2020-04-10 23:03:18
言語 D
(dmd 2.106.1)
結果
WA  
実行時間 -
コード長 2,648 bytes
コンパイル時間 771 ms
コンパイル使用メモリ 119,460 KB
実行使用メモリ 24,840 KB
最終ジャッジ日時 2024-06-22 06:35:15
合計ジャッジ時間 10,465 ms
ジャッジサーバーID
(参考情報)
judge3 / judge4
このコードへのチャレンジ
(要ログイン)

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 1 ms
6,816 KB
testcase_01 AC 1 ms
6,940 KB
testcase_02 AC 1 ms
6,944 KB
testcase_03 AC 1 ms
6,944 KB
testcase_04 AC 107 ms
13,580 KB
testcase_05 AC 104 ms
13,756 KB
testcase_06 AC 123 ms
14,428 KB
testcase_07 AC 106 ms
13,528 KB
testcase_08 AC 90 ms
13,416 KB
testcase_09 AC 88 ms
13,632 KB
testcase_10 AC 86 ms
13,404 KB
testcase_11 WA -
testcase_12 AC 114 ms
14,372 KB
testcase_13 AC 109 ms
13,888 KB
testcase_14 WA -
testcase_15 AC 117 ms
13,768 KB
testcase_16 AC 161 ms
13,676 KB
testcase_17 AC 163 ms
13,776 KB
testcase_18 AC 168 ms
14,152 KB
testcase_19 AC 160 ms
14,396 KB
testcase_20 WA -
testcase_21 WA -
testcase_22 WA -
testcase_23 WA -
testcase_24 WA -
testcase_25 AC 189 ms
23,488 KB
testcase_26 AC 196 ms
24,840 KB
testcase_27 AC 180 ms
24,000 KB
testcase_28 AC 175 ms
17,168 KB
testcase_29 AC 165 ms
13,536 KB
testcase_30 AC 183 ms
17,796 KB
testcase_31 AC 170 ms
19,664 KB
testcase_32 AC 168 ms
14,348 KB
testcase_33 AC 183 ms
22,548 KB
testcase_34 AC 177 ms
22,996 KB
testcase_35 AC 200 ms
23,988 KB
testcase_36 WA -
testcase_37 AC 176 ms
24,292 KB
testcase_38 AC 164 ms
13,948 KB
testcase_39 WA -
testcase_40 AC 180 ms
21,208 KB
testcase_41 AC 177 ms
21,232 KB
testcase_42 AC 189 ms
24,568 KB
testcase_43 AC 163 ms
13,628 KB
testcase_44 AC 124 ms
17,044 KB
testcase_45 AC 112 ms
13,784 KB
testcase_46 AC 104 ms
13,660 KB
testcase_47 AC 128 ms
13,844 KB
testcase_48 WA -
testcase_49 AC 206 ms
18,068 KB
testcase_50 WA -
testcase_51 AC 204 ms
20,780 KB
testcase_52 AC 206 ms
20,300 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

import std.stdio, std.conv, std.functional, std.string;
import std.algorithm, std.array, std.container, std.range, std.typecons;
import std.bigint, std.numeric, std.math, std.random;
import core.bitop;

string FMT_F = "%.10f";

static File _f;
void file_io(string fn) { _f = File(fn, "r"); }
static string[] s_rd;
T _RD(T = long)() { while(!s_rd.length) s_rd = readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; }
T _RD(T = long)(File f) { while(!s_rd.length) s_rd = f.readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; }
T[] _RDA(T = long)(T fix = 0) { auto r = readln.chomp.split.to!(T[]); r[] += fix; return r; }
T[] _RDA(T = long)(File f, T fix = 0) { auto r = f.readln.chomp.split.to!(T[]); r[] += fix; return r; }
T RD(T = long)() { if (_f.isOpen) return _RD!T(_f); else return _RD!T; }
T[] RDA(T = long)(T fix = 0) { if (_f.isOpen)  return _RDA!T(_f, fix); else return _RDA!T(fix); }

size_t[] MAKE_IDX(alias less = "a < b", Range)(Range range) { auto idx = new size_t[](range.length); makeIndex!(less)(range, idx); return idx;}
size_t MIN_POS(alias less = "a < b", Range)(Range range) { auto r = minPos!(less)(range); return range.length - r.length; }

void chmin(T)(ref T x, T y) { x = min(x, y); } void chmax(T)(ref T x, T y) { x = max(x, y); }
bool inside(T)(T x, T b, T e) { return x >= b && x < e; }
T lcm(T)(T x, T y) { return x * (y / gcd(x, y)); }

//long mod = 10^^9 + 7;
long mod = 998_244_353;
//long mod = 1_000_003;
void moda(T)(ref T x, T y) { x = (x + y) % mod; }
void mods(T)(ref T x, T y) { x = ((x + mod) - (y % mod)) % mod; }
void modm(T)(ref T x, T y) { x = (x * y) % mod; }
void modpow(T)(ref T x, T y) { if (!y) { x = 1; return; } auto t = x; x.modpow(y>>1); x.modm(x); if (y&1) x.modm(t); }
void modd(T)(ref T x, T y) { x.modm(y.modpow(mod - 2)); }

void main()
{
	auto N = RD;
	auto M = RD;
	auto edges = new long[][](N);
	foreach (i; 0..M)
	{
		auto a = RD-1;
		auto b = RD-1;
		auto c = RD;
		edges[a] ~= b;
		if (c == 1)
			edges[b] ~= a;
	}

	bool ans;
	auto state = new long[](N);
	state[] = 10^^7;
	auto par = new long[](N);
	par[] = -1;
	debug writeln(state);
	(){
	foreach (i; 0..N)
	{
		long[] open = [i];
		while (!open.empty)
		{
			auto from = open.front; open.popFront;
			if (state[from] == i)
			{
				debug writeln("from:", from, " i:", i, " state[from]:", state[from]);
				ans = true;
				return;
			}
			else if (state[from] < i) continue;
			state[from] = i;
			
			foreach (to; edges[from])
			{
				if (to != par[from])
				{
					par[to] = from;
					open ~= to;
				}
			}
		}
	}}();

	writeln(ans ? "Yes" : "No");
	stdout.flush;
	debug readln;
}
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