結果
問題 | No.129 お年玉(2) |
ユーザー | uwi |
提出日時 | 2015-08-03 23:46:55 |
言語 | Java21 (openjdk 21) |
結果 |
WA
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 4,024 bytes |
コンパイル時間 | 4,294 ms |
コンパイル使用メモリ | 89,848 KB |
実行使用メモリ | 50,432 KB |
最終ジャッジ日時 | 2024-10-12 19:52:34 |
合計ジャッジ時間 | 7,703 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 51 ms
36,920 KB |
testcase_01 | AC | 52 ms
36,676 KB |
testcase_02 | AC | 50 ms
36,924 KB |
testcase_03 | AC | 51 ms
36,784 KB |
testcase_04 | AC | 50 ms
36,756 KB |
testcase_05 | WA | - |
testcase_06 | AC | 51 ms
36,924 KB |
testcase_07 | AC | 51 ms
36,888 KB |
testcase_08 | AC | 51 ms
36,876 KB |
testcase_09 | AC | 51 ms
36,924 KB |
testcase_10 | AC | 51 ms
36,768 KB |
testcase_11 | AC | 51 ms
36,880 KB |
testcase_12 | AC | 51 ms
37,024 KB |
testcase_13 | AC | 51 ms
36,784 KB |
testcase_14 | AC | 51 ms
36,784 KB |
testcase_15 | AC | 50 ms
37,008 KB |
testcase_16 | AC | 52 ms
36,904 KB |
testcase_17 | AC | 51 ms
37,012 KB |
testcase_18 | AC | 52 ms
36,992 KB |
testcase_19 | AC | 55 ms
36,684 KB |
testcase_20 | AC | 52 ms
36,776 KB |
testcase_21 | AC | 51 ms
36,884 KB |
testcase_22 | AC | 52 ms
37,116 KB |
testcase_23 | AC | 53 ms
36,592 KB |
testcase_24 | AC | 54 ms
37,096 KB |
testcase_25 | WA | - |
testcase_26 | AC | 54 ms
36,904 KB |
testcase_27 | AC | 53 ms
36,956 KB |
testcase_28 | AC | 53 ms
36,968 KB |
testcase_29 | AC | 53 ms
36,652 KB |
testcase_30 | AC | 53 ms
36,780 KB |
testcase_31 | AC | 50 ms
36,844 KB |
testcase_32 | AC | 51 ms
36,780 KB |
testcase_33 | AC | 51 ms
36,844 KB |
testcase_34 | AC | 52 ms
36,864 KB |
testcase_35 | AC | 50 ms
36,832 KB |
testcase_36 | AC | 51 ms
36,896 KB |
testcase_37 | AC | 51 ms
36,684 KB |
testcase_38 | AC | 53 ms
36,976 KB |
testcase_39 | AC | 51 ms
36,756 KB |
testcase_40 | AC | 51 ms
36,784 KB |
testcase_41 | AC | 52 ms
36,828 KB |
testcase_42 | AC | 52 ms
36,916 KB |
testcase_43 | AC | 51 ms
36,832 KB |
testcase_44 | AC | 54 ms
36,932 KB |
testcase_45 | AC | 52 ms
36,884 KB |
testcase_46 | AC | 52 ms
36,912 KB |
testcase_47 | AC | 53 ms
37,008 KB |
testcase_48 | AC | 53 ms
37,244 KB |
ソースコード
package q1xx; 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 Q143XX { InputStream is; PrintWriter out; String INPUT = ""; void solve() { long n = nl()/1000; int m = ni(); int o = (int)(n%m); int e2 = 0, e5 = 0; int mod = 1000000000; long num = 1; int[] rem = new int[m+1]; { for(int i = m-o+1;i <= m;i++)rem[i] = i; for(int p = 2;p <= m;p*=2){ for(int i = (m-o+1+p-1)/p*p;i <= m;i+=p){ e2++; rem[i] /= 2; } } for(int p = 5;p <= m;p*=5){ for(int i = (m-o+1+p-1)/p*p;i <= m;i+=p){ e5++; rem[i] /= 5; } } for(int i = m-o+1;i <= m;i++){ num = num * rem[i] % mod; } } long den = 1; { for(int i = 1;i <= o;i++)rem[i] = i; for(int p = 2;p <= o;p*=2){ for(int i = p;i <= o;i+=p){ e2--; rem[i] /= 2; } } for(int p = 5;p <= o;p*=5){ for(int i = p;i <= o;i+=p){ e5--; rem[i] /= 5; } } for(int i = 1;i <= o;i++){ den = den * rem[i] % mod; } } long ret = num * invl(den, mod) % mod; for(int i = 1;i <= e2 && i <= 9;i++)ret = ret * 2 % mod; for(int i = 1;i <= e5 && i <= 9;i++)ret = ret * 5 % mod; out.println(ret); } public static long invl(long a, long mod) { long b = mod; long p = 1, q = 0; while (b > 0) { long c = a / b; long d; d = a; a = b; b = d % b; d = p; p = q; q = d - c * q; } return p < 0 ? p + mod : p; } 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 Q143XX().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 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)); } }