結果
問題 | No.1747 Many Formulae 2 |
ユーザー | nishi5451 |
提出日時 | 2021-11-25 17:43:06 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,960 bytes |
コンパイル時間 | 2,435 ms |
コンパイル使用メモリ | 78,992 KB |
実行使用メモリ | 37,192 KB |
最終ジャッジ日時 | 2024-06-28 10:22:15 |
合計ジャッジ時間 | 4,475 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 53 ms
37,192 KB |
testcase_01 | AC | 51 ms
36,996 KB |
testcase_02 | AC | 52 ms
37,136 KB |
testcase_03 | AC | 52 ms
37,068 KB |
testcase_04 | AC | 51 ms
36,980 KB |
testcase_05 | AC | 52 ms
37,168 KB |
testcase_06 | AC | 51 ms
37,044 KB |
testcase_07 | AC | 51 ms
36,600 KB |
testcase_08 | AC | 52 ms
37,036 KB |
testcase_09 | AC | 53 ms
37,036 KB |
testcase_10 | AC | 52 ms
37,172 KB |
testcase_11 | AC | 51 ms
37,172 KB |
testcase_12 | AC | 54 ms
37,108 KB |
testcase_13 | AC | 53 ms
37,024 KB |
testcase_14 | AC | 55 ms
36,952 KB |
testcase_15 | AC | 53 ms
37,044 KB |
testcase_16 | AC | 52 ms
37,112 KB |
testcase_17 | AC | 51 ms
37,096 KB |
testcase_18 | WA | - |
ソースコード
import java.util.*; import java.util.stream.*; import java.io.*; public class Main { static final int INF = 1<<30; static final long INFL = 1L<<60; static final int MOD = 1000000007; static final int MOD2 = 998244353; static List<List<Integer>> g; static boolean isPrime(long n){ for(long i = 2; i*i <= n; i++){ if(n%i == 0) return false; } return true; } public static void main(String[] args) { FastScanner fs = new FastScanner(); PrintWriter pw = new PrintWriter(System.out); String s = fs.next(); int n = s.length(); int[] val = new int[n]; for(int i = 0; i < n; i++) val[i] = Character.getNumericValue(s.charAt(i)); int ans = 0; for(int bit = 0; bit < 1<<(n-1); bit++){ long sum = 0; long now = val[0]; for(int i = 0; i < n-1; i++){ if((bit>>i & 1) == 1){ sum += now; now = val[i+1]; } else { now = now*10 + val[i+1]; } } sum += now; if(isPrime(sum)) ans++; } pw.println(ans); pw.close(); } } class FastScanner { private InputStream in = System.in; private byte[] buffer = new byte[1024]; private int length = 0, p = 0; private boolean hasNextByte() { if (p < length) return true; else{ p = 0; try{ length = in.read(buffer); }catch(Exception e){ e.printStackTrace(); } if(length == 0) return false; } return true; } private int readByte() { if (hasNextByte() == true) return buffer[p++]; return -1; } private static boolean isPrintable(int n) { return 33 <= n && n <= 126; } private void skip() { while (hasNextByte() && !isPrintable(buffer[p])) p++; } public boolean hasNext() { skip(); return hasNextByte(); } public String next() { if(!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int temp = readByte(); while (isPrintable(temp)) { sb.appendCodePoint(temp); temp = readByte(); } return sb.toString(); } public int nextInt() { return Math.toIntExact(nextLong()); } public int[] nextInts(int n) { int[] ar = new int[n]; for (int i = 0; i < n; i++) ar[i] = nextInt(); return ar; } public long[] nextLongs(int n) { long[] ar = new long[n]; for (int i = 0; i < n; i++) ar[i] = nextLong(); return ar; } public long nextLong() { if(!hasNext()) throw new NoSuchElementException(); boolean minus = false; int temp = readByte(); if (temp == '-') { minus = true; temp = readByte(); } if (temp < '0' || '9' < temp) throw new NumberFormatException(); long n = 0; while (isPrintable(temp)) { if ('0' <= temp && temp <= '9') { n *= 10; n += temp - '0'; } temp = readByte(); } return minus ? -n : n; } public char[] nextChars() { String s = next(); return s.toCharArray(); } public char[][] nextCharMat(int h, int w) { char[][] ar = new char[h][w]; for(int i = 0; i < h; i++){ String s = next(); for(int j = 0; j < w; j++){ ar[i][j] = s.charAt(j); } } return ar; } }