結果
問題 | No.1391 ±1 Abs Sum |
ユーザー | yakamoto |
提出日時 | 2021-02-12 22:13:47 |
言語 | Kotlin (1.9.23) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,731 bytes |
コンパイル時間 | 19,462 ms |
コンパイル使用メモリ | 467,744 KB |
実行使用メモリ | 88,636 KB |
最終ジャッジ日時 | 2024-07-19 22:18:41 |
合計ジャッジ時間 | 36,562 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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 | 289 ms
49,840 KB |
testcase_01 | AC | 331 ms
54,680 KB |
testcase_02 | AC | 285 ms
49,852 KB |
testcase_03 | AC | 286 ms
49,880 KB |
testcase_04 | AC | 297 ms
50,132 KB |
testcase_05 | AC | 285 ms
50,164 KB |
testcase_06 | AC | 287 ms
50,048 KB |
testcase_07 | AC | 294 ms
49,896 KB |
testcase_08 | AC | 291 ms
50,064 KB |
testcase_09 | AC | 291 ms
49,932 KB |
testcase_10 | AC | 291 ms
50,100 KB |
testcase_11 | AC | 553 ms
69,764 KB |
testcase_12 | AC | 507 ms
65,820 KB |
testcase_13 | AC | 517 ms
68,472 KB |
testcase_14 | AC | 498 ms
63,060 KB |
testcase_15 | AC | 498 ms
63,312 KB |
testcase_16 | AC | 505 ms
65,540 KB |
testcase_17 | AC | 503 ms
64,524 KB |
testcase_18 | AC | 524 ms
68,252 KB |
testcase_19 | AC | 492 ms
64,472 KB |
testcase_20 | AC | 514 ms
69,208 KB |
testcase_21 | AC | 485 ms
64,504 KB |
testcase_22 | AC | 498 ms
64,896 KB |
testcase_23 | AC | 488 ms
66,700 KB |
testcase_24 | AC | 495 ms
65,572 KB |
testcase_25 | AC | 506 ms
65,940 KB |
testcase_26 | AC | 501 ms
66,384 KB |
testcase_27 | AC | 483 ms
60,412 KB |
testcase_28 | AC | 476 ms
60,808 KB |
testcase_29 | AC | 495 ms
65,360 KB |
testcase_30 | AC | 515 ms
61,840 KB |
testcase_31 | AC | 529 ms
69,672 KB |
testcase_32 | AC | 549 ms
74,376 KB |
testcase_33 | AC | 571 ms
77,492 KB |
testcase_34 | WA | - |
testcase_35 | AC | 322 ms
54,732 KB |
testcase_36 | AC | 606 ms
88,576 KB |
コンパイルメッセージ
Main.kt:153:11: 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:157:11: 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:161:11: 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:165:11: 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:167:11: 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:174:11: 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:181:11: 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:198:11: 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 class Solver(stream: InputStream, private val out: java.io.PrintWriter) { private val reader = BufferedReader(InputStreamReader(stream), 32768) private val N = ni() private val K = ni() private val A = nal(N) fun solve() { fun sumL() = (0 until N).map{A[it] - A[0]}.sum() fun sumR() = (0 until N).map{A.last() - A[it]}.sum() if (K == N) { out.println(min(sumL(), sumR())) return } if (K == 0) { out.println(min(-sumL(), -sumR())) return } var lsum = 0L var lcnt = 0 var rsum = 0L var sum = 0L for (i in 1 until N) { sum += A[i] - A[0] } for (i in K until N) { rsum += A[i] - A[0] } var rcnt = N - K var l = -1 var r = K debug{"$sum $rsum $rcnt"} var ans = 2e18.toLong() + 100 for (i in 0 until N) { val lstMove = if (i == 0) 0 else A[i] - A[i-1] lsum += lcnt*lstMove rsum -= rcnt*lstMove sum += i*lstMove - (N - i)*lstMove while (i >= r || (l + 1 < i && r < N && abs(A[l + 1] - A[i]) > abs(A[r] - A[i]))) { lcnt++ rcnt-- lsum += abs(A[l + 1] - A[i]) rsum -= abs(A[r] - A[i]) l++ r++ } val v = sum - lsum*2-rsum*2 debug{"$i $sum $l:$r $lsum $lcnt $rsum $rcnt $v"} ans = min(ans, v) } 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()) } 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()} } fun main() { val out = java.io.PrintWriter(System.out) Solver(System.`in`, out).solve() out.flush() }