結果
問題 | No.1607 Kth Maximum Card |
ユーザー | yakamoto |
提出日時 | 2021-07-16 23:17:07 |
言語 | Kotlin (1.9.23) |
結果 |
AC
|
実行時間 | 2,359 ms / 3,500 ms |
コード長 | 4,400 bytes |
コンパイル時間 | 16,697 ms |
コンパイル使用メモリ | 432,608 KB |
実行使用メモリ | 100,900 KB |
最終ジャッジ日時 | 2023-09-20 15:47:13 |
合計ジャッジ時間 | 55,328 ms |
ジャッジサーバーID (参考情報) |
judge15 / judge12 |
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 | 277 ms
53,952 KB |
testcase_01 | AC | 279 ms
53,908 KB |
testcase_02 | AC | 281 ms
53,956 KB |
testcase_03 | AC | 282 ms
53,844 KB |
testcase_04 | AC | 286 ms
53,804 KB |
testcase_05 | AC | 281 ms
55,688 KB |
testcase_06 | AC | 285 ms
53,852 KB |
testcase_07 | AC | 279 ms
53,792 KB |
testcase_08 | AC | 2,295 ms
98,260 KB |
testcase_09 | AC | 1,139 ms
81,744 KB |
testcase_10 | AC | 958 ms
95,944 KB |
testcase_11 | AC | 639 ms
65,292 KB |
testcase_12 | AC | 1,075 ms
81,224 KB |
testcase_13 | AC | 825 ms
63,416 KB |
testcase_14 | AC | 814 ms
65,444 KB |
testcase_15 | AC | 1,799 ms
90,988 KB |
testcase_16 | AC | 581 ms
61,388 KB |
testcase_17 | AC | 577 ms
60,256 KB |
testcase_18 | AC | 1,218 ms
76,704 KB |
testcase_19 | AC | 987 ms
69,680 KB |
testcase_20 | AC | 1,095 ms
71,616 KB |
testcase_21 | AC | 1,176 ms
74,588 KB |
testcase_22 | AC | 1,978 ms
100,788 KB |
testcase_23 | AC | 2,150 ms
100,900 KB |
testcase_24 | AC | 1,085 ms
70,376 KB |
testcase_25 | AC | 853 ms
65,668 KB |
testcase_26 | AC | 917 ms
67,764 KB |
testcase_27 | AC | 1,061 ms
70,480 KB |
testcase_28 | AC | 894 ms
67,524 KB |
testcase_29 | AC | 849 ms
76,620 KB |
testcase_30 | AC | 2,359 ms
98,172 KB |
testcase_31 | AC | 1,377 ms
77,640 KB |
testcase_32 | AC | 1,050 ms
76,488 KB |
testcase_33 | AC | 1,114 ms
75,944 KB |
testcase_34 | AC | 982 ms
76,812 KB |
testcase_35 | AC | 1,090 ms
76,832 KB |
コンパイルメッセージ
Main.kt:179:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types private inline fun debug(a: LongArray) { ^ Main.kt:183:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types private inline fun debug(a: IntArray) { ^ Main.kt:187:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types private inline fun debug(a: BooleanArray) { ^ Main.kt:191:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types private inline fun toString(a: BooleanArray) = run{a.map { if (it) 1 else 0 }.joinToString("")} ^ Main.kt:193:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types private inline fun debugDim(A: Array<LongArray>) { ^ Main.kt:200:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types private inline fun debugDim(A: Array<IntArray>) { ^ Main.kt:207:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types private inline fun debugDim(A: Array<BooleanArray>) { ^ Main.kt:224:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types private inline fun assert(b: Boolean) = run{if (!b) throw AssertionError()} ^
ソースコード
import java.io.BufferedReader import java.io.InputStream import java.io.InputStreamReader import java.lang.AssertionError import java.util.* import kotlin.math.abs import kotlin.math.max import kotlin.math.min val MOD = 1_000_000_007 /** * 単調増加 * (l, h] 方式 * @return マッチするものがなかったらmx */ inline fun findMin(mn: Int, mx: Int, f: (Int) -> Boolean): Int { var low = mn - 1 var high = mx while(high - low > 1) { val m = (low + high) / 2 if (f(m)) high = m else low = m } return high } data class Edge(val v: Int, val u: Int, val c: Int, var weight: Int) class Solver(stream: InputStream, private val out: java.io.PrintWriter) { private val reader = BufferedReader(InputStreamReader(stream), 32768) private val N = ni() private val M = ni() private val K = ni() private val D = IntArray(N) private val g = Array(N){ mutableListOf<Edge>()} val inf = 1e9.toInt() + 100 fun dijk(g: Array<MutableList<Edge>>, s: Int): IntArray { D.fill(inf) D[s] = 0 val que = ArrayDeque<Int>() que.add(s) while(que.isNotEmpty()) { val v = que.poll()!! for (i in 0 until g[v].size) { val e = g[v][i] if (D[v] + e.weight < D[e.u]) { D[e.u] = D[v] + e.weight if (e.weight == 0) que.addFirst(e.u) else que.addLast(e.u) } } } return D } fun solve() { for (i in 0 until M) { val (v, u) = na(2, -1) val c = ni() g[v].add(Edge(v, u, c, -1)) g[u].add(Edge(u, v, c, -1)) } fun calc(x: Int): IntArray { for (i in 0 until N) { for (j in g[i].indices) { val e = g[i][j] e.weight = if (e.c > x) 1 else 0 } } return dijk(g, 0) } // K進むことなくNに到達できる if (calc(0)[N - 1] < K) { out.println(0) return } val ans = findMin(1, 200_000) { x -> val D = calc(x) D[N - 1] <= K - 1 } out.println(ans) } private val isDebug = try { // なんか本番でエラーでる System.getenv("MY_DEBUG") != null } catch (t: Throwable) { false } private var tokenizer: StringTokenizer? = null private fun next(): String { while (tokenizer == null || !tokenizer!!.hasMoreTokens()) { tokenizer = StringTokenizer(reader.readLine()) } return tokenizer!!.nextToken() } private fun ni() = next().toInt() private fun nl() = next().toLong() private fun ns() = next() private fun na(n: Int, offset: Int = 0): IntArray { return IntArray(n) { ni() + offset } } private fun nal(n: Int, offset: Int = 0): LongArray { val res = LongArray(n) for (i in 0 until n) { res[i] = nl() + offset } return res } private fun na2(n: Int, offset: Int = 0): Array<IntArray> { val a = Array(2){IntArray(n)} for (i in 0 until n) { for (e in a) { e[i] = ni() + offset } } return a } private inline fun debug(msg: () -> String) { if (isDebug) System.err.println(msg()) } /** * コーナーケースでエラー出たりするので、debug(dp[1])のように添え字付きの場合はdebug{}をつかうこと */ private inline fun debug(a: LongArray) { debug { a.joinToString(" ") } } private inline fun debug(a: IntArray) { debug { a.joinToString(" ") } } private inline fun debug(a: BooleanArray) { debug { toString(a) } } private inline fun toString(a: BooleanArray) = run{a.map { if (it) 1 else 0 }.joinToString("")} private inline fun debugDim(A: Array<LongArray>) { if (isDebug) { for (a in A) { debug(a) } } } private inline fun debugDim(A: Array<IntArray>) { if (isDebug) { for (a in A) { debug(a) } } } private inline fun debugDim(A: Array<BooleanArray>) { if (isDebug) { for (a in A) { debug(a) } } } /** * 勝手にimport消されるのを防ぎたい */ private fun hoge() { min(1, 2) max(1, 2) abs(-10) } private inline fun assert(b: Boolean) = run{if (!b) throw AssertionError()} private inline fun assert(b: Boolean, f: () -> String) = run{if (!b) throw AssertionError(f())} } fun main() { val out = java.io.PrintWriter(System.out) Solver(System.`in`, out).solve() out.flush() }