結果
問題 | No.599 回文かい |
ユーザー | yuya178 |
提出日時 | 2017-11-24 23:23:35 |
言語 | Java (openjdk 23) |
結果 |
TLE
|
実行時間 | - |
コード長 | 4,887 bytes |
コンパイル時間 | 3,140 ms |
コンパイル使用メモリ | 83,348 KB |
実行使用メモリ | 112,848 KB |
最終ジャッジ日時 | 2024-11-27 08:18:00 |
合計ジャッジ時間 | 14,728 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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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 | 51 ms
57,004 KB |
testcase_01 | AC | 50 ms
112,848 KB |
testcase_02 | AC | 51 ms
56,580 KB |
testcase_03 | AC | 51 ms
49,756 KB |
testcase_04 | AC | 51 ms
49,996 KB |
testcase_05 | AC | 54 ms
50,312 KB |
testcase_06 | AC | 52 ms
50,056 KB |
testcase_07 | AC | 52 ms
50,016 KB |
testcase_08 | AC | 51 ms
49,840 KB |
testcase_09 | AC | 52 ms
49,932 KB |
testcase_10 | AC | 56 ms
49,944 KB |
testcase_11 | AC | 55 ms
49,888 KB |
testcase_12 | AC | 75 ms
50,464 KB |
testcase_13 | AC | 79 ms
51,312 KB |
testcase_14 | AC | 342 ms
57,132 KB |
testcase_15 | AC | 112 ms
51,836 KB |
testcase_16 | TLE | - |
testcase_17 | TLE | - |
testcase_18 | AC | 50 ms
50,280 KB |
testcase_19 | AC | 50 ms
49,964 KB |
testcase_20 | AC | 50 ms
50,148 KB |
evil_0.txt | AC | 256 ms
118,140 KB |
ソースコード
import java.io.*; import java.util.*; import java.math.*; import java.awt.Point; public class Main { InputStream is; PrintWriter out; String INPUT = ""; long MOD = 1_000_000_007; int inf = 10000000; long[] memo; HashMap<Integer, Integer> map; void solve() { char[] c = ns().toCharArray(); int n = c.length; // memo = new long[n*(n+1)]; map = new HashMap<>(); long sum = f(c, 0, n-1)%MOD; out.println(sum); } long f(char[] c, int s, int t){ int k = s*10000+t; if(map.getOrDefault(k, -1) > -1){ return map.getOrDefault(k, -1); } if(s==t-1){ if(c[s]==c[t]){ // memo[k] = 2; map.put(k,2); return 2; } else{ map.put(k,1); return 1; } } if(s>=t) return 1; int flag = 0; long sum = 0; for(int i = s; i <= (s+t-1)/2; i++){ flag = 0; for(int j = s; j <= i; j++){ if(c[j]!=c[t-i+j]){ flag = 1; break; } } // out.print(i); // out.println(flag); if(flag==0){ sum += f(c, i+1, t+s-i-1)%MOD; sum %= MOD; } } sum += 1; sum %= MOD; // memo[k] = sum; map.put(k,(int)sum); return sum; } 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"); } public static void main(String[] args) throws Exception { new Main().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) && 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 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[] na(int n) { int[] a = new int[n]; for(int i = 0;i < n;i++)a[i] = ni(); return a; } private int ni() { int num = 0, 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 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)); } static class ArrayUtils { public static void fill(double[][] array, double value) { for (double[] a : array) Arrays.fill(a, value); } public static void fill(double[][][] array, double value) { for (double[][] l : array) fill(l, value); } } }