結果
問題 | No.1150 シュークリームゲーム(Easy) |
ユーザー | uwi |
提出日時 | 2020-08-15 12:51:13 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 118 ms / 2,000 ms |
コード長 | 3,918 bytes |
コンパイル時間 | 4,230 ms |
コンパイル使用メモリ | 87,988 KB |
実行使用メモリ | 40,352 KB |
最終ジャッジ日時 | 2024-10-10 17:41:25 |
合計ジャッジ時間 | 9,164 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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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 | 52 ms
37,140 KB |
testcase_01 | AC | 52 ms
37,192 KB |
testcase_02 | AC | 52 ms
37,192 KB |
testcase_03 | AC | 52 ms
36,872 KB |
testcase_04 | AC | 51 ms
37,152 KB |
testcase_05 | AC | 53 ms
36,860 KB |
testcase_06 | AC | 53 ms
36,632 KB |
testcase_07 | AC | 52 ms
36,632 KB |
testcase_08 | AC | 53 ms
36,904 KB |
testcase_09 | AC | 53 ms
37,012 KB |
testcase_10 | AC | 52 ms
37,236 KB |
testcase_11 | AC | 53 ms
37,140 KB |
testcase_12 | AC | 53 ms
36,820 KB |
testcase_13 | AC | 51 ms
36,976 KB |
testcase_14 | AC | 52 ms
36,872 KB |
testcase_15 | AC | 52 ms
37,192 KB |
testcase_16 | AC | 52 ms
37,116 KB |
testcase_17 | AC | 53 ms
36,512 KB |
testcase_18 | AC | 54 ms
36,776 KB |
testcase_19 | AC | 52 ms
37,060 KB |
testcase_20 | AC | 53 ms
36,604 KB |
testcase_21 | AC | 52 ms
37,076 KB |
testcase_22 | AC | 112 ms
39,456 KB |
testcase_23 | AC | 113 ms
39,852 KB |
testcase_24 | AC | 109 ms
39,736 KB |
testcase_25 | AC | 110 ms
40,072 KB |
testcase_26 | AC | 117 ms
39,896 KB |
testcase_27 | AC | 118 ms
40,220 KB |
testcase_28 | AC | 116 ms
40,192 KB |
testcase_29 | AC | 110 ms
39,808 KB |
testcase_30 | AC | 112 ms
39,712 KB |
testcase_31 | AC | 112 ms
39,796 KB |
testcase_32 | AC | 112 ms
39,640 KB |
testcase_33 | AC | 114 ms
39,948 KB |
testcase_34 | AC | 115 ms
39,844 KB |
testcase_35 | AC | 117 ms
40,108 KB |
testcase_36 | AC | 118 ms
40,252 KB |
testcase_37 | AC | 118 ms
39,960 KB |
testcase_38 | AC | 112 ms
39,984 KB |
testcase_39 | AC | 111 ms
39,768 KB |
testcase_40 | AC | 111 ms
40,120 KB |
testcase_41 | AC | 111 ms
39,824 KB |
testcase_42 | AC | 112 ms
40,096 KB |
testcase_43 | AC | 111 ms
40,352 KB |
testcase_44 | AC | 117 ms
40,088 KB |
ソースコード
package no1xxx; 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 No1151_2 { InputStream is; PrintWriter out; String INPUT = ""; void solve() { // 最初に回転したほうがよかった int n = ni(), s = ni()-1, t = ni()-1; int[] a_ = na(n); int[] a = new int[n]; for(int i = 0;i < n;i++){ a[i] = a_[(i+s)%n]; } t += n - s; t %= n; long[] ca = cum(a); int len = (n+1)/2; long ans = Long.MIN_VALUE; int st = t/2+1; int st2 = (t+n-1)/2; for(int i = 0;i < n;i++){ long sum = ca[(i+len) % n] - ca[i] + (i+len >= n ? ca[n] : 0); sum -= ca[i] - ca[(i+len)%n] + (i+len < n ? ca[n] : 0); if(in(i, (i+len-1)%n, 0) && !in(i, (i+len-1)%n, st) && !in(i, (i+len-1)%n, st2)){ ans = Math.max(ans, sum); } } out.println(ans); } static boolean in(int a, int b, int t) { if(a <= b){ return a <= t && t <= b; }else{ return !(b < t && t < a); } } static long[] cum(int... a){ long[] b = new long[a.length+1]; for(int i = 0;i < a.length;i++)b[i+1] = b[i] + a[i]; return b; } 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 No1151_2().run(); } private byte[] inbuf = new byte[1024]; public 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)); } }