結果
問題 | No.596 郵便配達 |
ユーザー | 37zigen |
提出日時 | 2017-06-18 03:59:45 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,365 bytes |
コンパイル時間 | 2,357 ms |
コンパイル使用メモリ | 78,792 KB |
実行使用メモリ | 219,472 KB |
最終ジャッジ日時 | 2024-11-17 14:09:00 |
合計ジャッジ時間 | 17,333 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | AC | 111 ms
41,156 KB |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | AC | 1,697 ms
77,780 KB |
testcase_09 | WA | - |
testcase_10 | AC | 106 ms
40,308 KB |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | AC | 110 ms
41,404 KB |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | AC | 100 ms
40,332 KB |
testcase_18 | AC | 106 ms
41,212 KB |
testcase_19 | AC | 103 ms
41,328 KB |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
ソースコード
import java.io.File; import java.io.FileNotFoundException; import java.io.PrintWriter; import java.util.Arrays; import java.util.Scanner; public class Main { public static void main(String[] args) throws FileNotFoundException { new Main().run(); } int MAX = 0; int solve(int[] l, int[] r) { int[] r2 = new int[MAX]; // rEdge1->rEdge2の時 int rEdge1 = Integer.MAX_VALUE >> 4; int rEdge2 = -(Integer.MAX_VALUE >> 4); int lEdge1 = Integer.MAX_VALUE >> 4; int lEdge2 = -(Integer.MAX_VALUE >> 4); for (int i = 0; i < MAX; ++i) { if (r[i] != -1) { rEdge1 = i; break; } } for (int i = MAX - 1; i >= 0; --i) { if (r[i] != -1) { rEdge2 = r[i]; break; } } for (int i = MAX - 1; i >= 0; --i) { if (l[i] != -1) { lEdge2 = i; break; } } for (int i = 0; i < MAX; ++i) { if (l[i] != -1) { lEdge1 = l[i]; break; } } int[] pile = new int[MAX]; for (int i = MAX - 1; i >= 0; --i) { if (l[i] != -1) { ++pile[i]; if (l[i] > 0) { --pile[l[i] - 1]; } } if (i + 1 < MAX) { pile[i] = pile[i + 1] + pile[i]; } } for (int i = 0; i < MAX; ++i) { if (pile[i] > 0) { pile[i] = 1; } } Arrays.fill(r2, Integer.MAX_VALUE >> 4); { for (int i = rEdge1; i < MAX; ++i) { if (pile[i] == 0 || i + 1 == MAX || pile[i + 1] == 0) { r2[i] = 2 * Math.abs(i - Math.min(lEdge1, rEdge1)); } if ((i == 0 || pile[i - 1] == 0) && pile[i] != 0) { r2[i] = Math.min(r2[i], (1 + 2 * (pile[i] - 1)) + (i > 0 ? r2[i - 1] : 0)); } else { r2[i] = Math.min(r2[i], (1 + 2 * pile[i]) + (i > 0 ? r2[i - 1] : 0)); } } } int ans = Integer.MAX_VALUE >> 4; for (int i = 0; i < MAX; ++i) { if (pile[i] == 0 || i + 1 == MAX || pile[i + 1] == 0) { int tmp = r2[i] + 2 * Math.abs(i - Math.max(lEdge2, rEdge2)); ans = Math.min(ans, tmp); } } return ans; } void run() throws FileNotFoundException { // gen(); Scanner sc = new Scanner(System.in); PrintWriter pw = new PrintWriter(System.out); // Scanner sc = new Scanner(in); // PrintWriter pw = new PrintWriter(out); MAX = sc.nextInt(); int m = sc.nextInt(); int[] r = new int[MAX]; int[] l = new int[MAX]; Arrays.fill(r, -1); Arrays.fill(l, -1); for (int i = 0; i < m; ++i) { int x = sc.nextInt(); int d = sc.nextInt(); int ma = x - 1; int mi = x + 1; for (int j = 0; j < d; ++j) { int y = sc.nextInt(); ma = Math.max(ma, y); mi = Math.min(mi, y); } if (ma >= x) { r[x] = ma; } if (mi <= x) { l[x] = mi; } } { int ma = -1; for (int i = 0; i < MAX; ++i) { if (r[i] == -1) continue; if (ma < 0 || ma < r[i]) { ma = r[i]; } else if (ma >= r[i]) { r[i] = -1; } } } { int mi = MAX * 10; for (int i = MAX - 1; i >= 0; --i) { if (l[i] == -1) continue; if (mi >= MAX || mi > l[i]) { mi = l[i]; } else if (mi <= l[i]) { l[i] = -1; } } } int[] nl = new int[MAX]; int[] nr = new int[MAX]; for (int i = 0; i < MAX; ++i) { if (l[i] != -1) { int s = MAX - 1 - i; int d = MAX - 1 - l[i]; nr[s] = d; } if (r[i] != -1) { int s = MAX - 1 - i; int d = MAX - 1 - r[i]; nl[s] = d; } } long ans = Math.min(solve(l, r), solve(nl, nr)); pw.println(ans); pw.close(); } }