結果
問題 | No.409 ダイエット |
ユーザー | uwi |
提出日時 | 2016-08-06 01:02:56 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 159 ms / 2,000 ms |
コード長 | 3,996 bytes |
コンパイル時間 | 7,402 ms |
コンパイル使用メモリ | 84,924 KB |
実行使用メモリ | 47,200 KB |
最終ジャッジ日時 | 2024-06-26 09:45:39 |
合計ジャッジ時間 | 15,828 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | AC | 49 ms
36,576 KB |
testcase_01 | AC | 49 ms
37,044 KB |
testcase_02 | AC | 52 ms
37,144 KB |
testcase_03 | AC | 49 ms
37,188 KB |
testcase_04 | AC | 49 ms
36,580 KB |
testcase_05 | AC | 50 ms
36,864 KB |
testcase_06 | AC | 50 ms
37,188 KB |
testcase_07 | AC | 51 ms
37,188 KB |
testcase_08 | AC | 50 ms
36,972 KB |
testcase_09 | AC | 50 ms
36,744 KB |
testcase_10 | AC | 49 ms
36,916 KB |
testcase_11 | AC | 48 ms
37,180 KB |
testcase_12 | AC | 53 ms
37,080 KB |
testcase_13 | AC | 50 ms
37,140 KB |
testcase_14 | AC | 51 ms
37,188 KB |
testcase_15 | AC | 50 ms
37,164 KB |
testcase_16 | AC | 49 ms
37,188 KB |
testcase_17 | AC | 51 ms
37,188 KB |
testcase_18 | AC | 49 ms
37,160 KB |
testcase_19 | AC | 52 ms
36,928 KB |
testcase_20 | AC | 51 ms
37,188 KB |
testcase_21 | AC | 50 ms
36,596 KB |
testcase_22 | AC | 49 ms
37,304 KB |
testcase_23 | AC | 50 ms
37,188 KB |
testcase_24 | AC | 50 ms
37,056 KB |
testcase_25 | AC | 48 ms
37,148 KB |
testcase_26 | AC | 51 ms
37,188 KB |
testcase_27 | AC | 50 ms
37,068 KB |
testcase_28 | AC | 51 ms
36,876 KB |
testcase_29 | AC | 49 ms
36,956 KB |
testcase_30 | AC | 49 ms
37,068 KB |
testcase_31 | AC | 49 ms
37,120 KB |
testcase_32 | AC | 50 ms
36,900 KB |
testcase_33 | AC | 51 ms
36,796 KB |
testcase_34 | AC | 51 ms
36,884 KB |
testcase_35 | AC | 53 ms
37,100 KB |
testcase_36 | AC | 53 ms
37,272 KB |
testcase_37 | AC | 54 ms
37,316 KB |
testcase_38 | AC | 54 ms
37,316 KB |
testcase_39 | AC | 52 ms
37,044 KB |
testcase_40 | AC | 53 ms
37,320 KB |
testcase_41 | AC | 53 ms
37,056 KB |
testcase_42 | AC | 53 ms
37,180 KB |
testcase_43 | AC | 52 ms
37,316 KB |
testcase_44 | AC | 54 ms
36,872 KB |
testcase_45 | AC | 54 ms
36,752 KB |
testcase_46 | AC | 53 ms
36,872 KB |
testcase_47 | AC | 53 ms
36,616 KB |
testcase_48 | AC | 53 ms
37,268 KB |
testcase_49 | AC | 56 ms
37,044 KB |
testcase_50 | AC | 55 ms
36,744 KB |
testcase_51 | AC | 52 ms
37,088 KB |
testcase_52 | AC | 54 ms
36,752 KB |
testcase_53 | AC | 54 ms
37,056 KB |
testcase_54 | AC | 53 ms
37,072 KB |
testcase_55 | AC | 123 ms
44,248 KB |
testcase_56 | AC | 95 ms
42,172 KB |
testcase_57 | AC | 152 ms
47,200 KB |
testcase_58 | AC | 126 ms
42,068 KB |
testcase_59 | AC | 151 ms
45,320 KB |
testcase_60 | AC | 115 ms
41,924 KB |
testcase_61 | AC | 152 ms
46,052 KB |
testcase_62 | AC | 143 ms
46,400 KB |
testcase_63 | AC | 142 ms
45,628 KB |
testcase_64 | AC | 127 ms
44,080 KB |
testcase_65 | AC | 154 ms
46,316 KB |
testcase_66 | AC | 153 ms
46,652 KB |
testcase_67 | AC | 139 ms
45,264 KB |
testcase_68 | AC | 137 ms
45,500 KB |
testcase_69 | AC | 139 ms
45,616 KB |
testcase_70 | AC | 145 ms
45,480 KB |
testcase_71 | AC | 131 ms
43,952 KB |
testcase_72 | AC | 147 ms
46,808 KB |
testcase_73 | AC | 144 ms
46,164 KB |
testcase_74 | AC | 138 ms
44,668 KB |
testcase_75 | AC | 155 ms
46,360 KB |
testcase_76 | AC | 142 ms
44,328 KB |
testcase_77 | AC | 151 ms
41,976 KB |
testcase_78 | AC | 133 ms
44,436 KB |
testcase_79 | AC | 124 ms
41,696 KB |
testcase_80 | AC | 159 ms
46,340 KB |
testcase_81 | AC | 147 ms
46,136 KB |
testcase_82 | AC | 140 ms
44,624 KB |
testcase_83 | AC | 151 ms
45,020 KB |
testcase_84 | AC | 138 ms
45,192 KB |
testcase_85 | AC | 80 ms
38,852 KB |
testcase_86 | AC | 134 ms
44,796 KB |
testcase_87 | AC | 151 ms
45,320 KB |
testcase_88 | AC | 122 ms
41,080 KB |
testcase_89 | AC | 155 ms
44,560 KB |
testcase_90 | AC | 122 ms
41,440 KB |
testcase_91 | AC | 157 ms
44,940 KB |
ソースコード
package contest;import java.io.ByteArrayInputStream;import java.io.IOException;import java.io.InputStream;import java.io.PrintWriter;import java.util.Arrays;import java.util.InputMismatchException;public class N409 {InputStream is;PrintWriter out;String INPUT = "";void solve(){int n = ni();long a = ni(), b = ni(), w = ni();int[] d = Arrays.copyOf(na(n), n+1);long[] dp = new long[n+2];dp[0] = w;// dp+b(x-t)(x-t-1)/2-a(x-t)// b/2*x^2+x((-bt-bt+b)/2-a)+dp+bt(t+1)/2+atif(b == 0){out.println(w-(long)a*n);return;}int[] q = new int[n+2];long[] qw = new long[n+2];int qp = 0;for(int i = 1;i <= n+1;i++){int x = i-1;long B = -b*x;long C = dp[x] + b*x*(x+1)/2+a*x;long lwhen = Long.MIN_VALUE;while(qp > 0){int lx = q[qp-1];long LB = -b*lx;long LC = dp[lx] + b*lx*(lx+1)/2+a*lx;// B*x+C <= LB*x+LClong when = (C-LC+(LB-B-1))/(LB-B);if(qw[qp-1] >= when){qp--;}else{lwhen = when;break;}}q[qp] = x;qw[qp] = lwhen;qp++;int ind = Arrays.binarySearch(qw, 0, qp, i);if(ind < 0)ind = -ind-2;x = q[ind];long val = dp[x] + b*(i-x)*(i-x-1)/2 - a*(i-x-1);dp[i] = val + d[i-1];}out.println(dp[n+1]);}void run() throws Exception{is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());out = new PrintWriter(System.out);long s = System.currentTimeMillis();solve();out.flush();if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");// Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){// @Override// public void run() {// long s = System.currentTimeMillis();// solve();// out.flush();// if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");// }// };// t.start();// t.join();}public static void main(String[] args) throws Exception { new N409().run(); }private byte[] inbuf = new byte[1024];private int lenbuf = 0, ptrbuf = 0;private int readByte(){if(lenbuf == -1)throw new InputMismatchException();if(ptrbuf >= lenbuf){ptrbuf = 0;try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }if(lenbuf <= 0)return -1;}return inbuf[ptrbuf++];}private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }private double nd() { return Double.parseDouble(ns()); }private char nc() { return (char)skip(); }private String ns(){int b = skip();StringBuilder sb = new StringBuilder();while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ')sb.appendCodePoint(b);b = readByte();}return sb.toString();}private char[] ns(int n){char[] buf = new char[n];int b = skip(), p = 0;while(p < n && !(isSpaceChar(b))){buf[p++] = (char)b;b = readByte();}return n == p ? buf : Arrays.copyOf(buf, p);}private int[] na(int n){int[] a = new int[n];for(int i = 0;i < n;i++)a[i] = ni();return a;}private long[] nal(int n){long[] a = new long[n];for(int i = 0;i < n;i++)a[i] = nl();return a;}private char[][] nm(int n, int m) {char[][] map = new char[n][];for(int i = 0;i < n;i++)map[i] = ns(m);return map;}private int[][] nmi(int n, int m) {int[][] map = new int[n][];for(int i = 0;i < n;i++)map[i] = na(m);return map;}private int ni() { return (int)nl(); }private long nl(){long num = 0;int b;boolean minus = false;while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));if(b == '-'){minus = true;b = readByte();}while(true){if(b >= '0' && b <= '9'){num = num * 10 + (b - '0');}else{return minus ? -num : num;}b = readByte();}}private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); }}