結果
問題 | No.972 選び方のスコア |
ユーザー | k_6101 |
提出日時 | 2020-01-18 15:20:51 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,713 bytes |
コンパイル時間 | 2,524 ms |
コンパイル使用メモリ | 89,652 KB |
実行使用メモリ | 59,116 KB |
最終ジャッジ日時 | 2024-06-27 15:06:28 |
合計ジャッジ時間 | 29,207 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | AC | 132 ms
41,088 KB |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | AC | 121 ms
40,080 KB |
testcase_26 | AC | 129 ms
41,152 KB |
testcase_27 | AC | 132 ms
41,336 KB |
testcase_28 | AC | 130 ms
41,120 KB |
testcase_29 | AC | 117 ms
40,120 KB |
testcase_30 | WA | - |
testcase_31 | AC | 130 ms
41,208 KB |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
ソースコード
import java.io.BufferedWriter; import java.io.FileWriter; import java.io.InputStream; import java.io.PrintWriter; import java.lang.reflect.Array; import java.math.BigDecimal; import java.math.MathContext; import java.util.ArrayDeque; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.Deque; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Map.Entry; import java.util.PriorityQueue; import java.util.Queue; import java.util.Random; import java.util.Scanner; import java.util.Set; import java.util.Stack; import java.util.TreeMap; import java.util.TreeSet; import static java.util.Comparator.*; public class Main { public static void main(String[] args) { PrintWriter out = new PrintWriter(System.out); Solver solver = new Solver(System.in, out); solver.solve(); out.close(); } } class Solver { Scanner sc; PrintWriter out; public Solver(InputStream in, PrintWriter out) { sc = new Scanner(in); this.out = out; } // ========================================================== int N; int[] A; boolean check(int cnt, int center) { long val = (long)A[center - cnt] + (long)A[N - cnt] - (long)A[center] * 2; // out.println("A[" + (center - cnt) + "] = " + A[center - cnt] // + " + A[" + (N-cnt) + "] = " + A[N - cnt] // + " - A[" + center + "] = " + A[center] // + " * 2 --> val = " + val); if(val >= 0) return true; else return false; } int calc(int l, int r, int center) { int mid; while(Math.abs(l - r) > 1) { mid = (l + r) / 2; if(check(mid, center)) l = mid; else r = mid; } return l; } public void solve() { N = ni(); A = ndi(N); if(N <= 2) { out.println(0); return; } Arrays.sort(A); long[] wa = new long[N+1]; for (int i = 0; i < N; i++) { wa[i+1] = wa[i] + A[i]; } int k; long ans = 0, wk; for (int i = 1; i < N - 1; i++) { k = calc(0, Math.min(i, N - i - 1)+1, i); wk = wa[i] - wa[i-k] + wa[N] - wa[N-k] - A[i] * k * 2; ans = Math.max(ans, wk); } out.println(ans); } // Set に入れるなら PPKEY を使う! static class PP{ public int key, val; public PP(int key, int val) { this.key = key; this.val = val; } public int getKey() { return key; } public void setKey(int key) { this.key = key; } public int getVal() { return val; } public void setVal(int val) { this.val = val; } } // ------------------------------------------ // 入力 // ------------------------------------------ public int ni() { return sc.nextInt(); } public long nl() { return sc.nextLong(); } public String ns() { return sc.next(); } public char[] nc() { return sc.next().toCharArray(); } public int[] ndi(int N) { int[] ans = new int[N]; for (int i = 0; i < N; i++) { ans[i] = ni(); } return ans; } public long[] ndl(int N) { long[] ans = new long[N]; for (int i = 0; i < N; i++) { ans[i] = nl(); } return ans; } public String[] nds(int N) { String[] ans = new String[N]; for (int i = 0; i < N; i++) { ans[i] = ns(); } return ans; } public char[][] ndc(int N) { char[][] ans = new char[N][]; for (int i = 0; i < N; i++) { ans[i] = nc(); } return ans; } public int[][] nddi(int N, int S) { int[][] ans = new int[N][S]; for (int i = 0; i < N; i++) { for (int j = 0; j < S; j++) { ans[i][j] = ni(); } } return ans; } }