結果
| 問題 |
No.1633 Sorting Integers (Multiple of 2^K)
|
| コンテスト | |
| ユーザー |
tenten
|
| 提出日時 | 2023-06-27 09:44:17 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 240 ms / 2,000 ms |
| コード長 | 2,810 bytes |
| コンパイル時間 | 2,516 ms |
| コンパイル使用メモリ | 85,236 KB |
| 実行使用メモリ | 39,656 KB |
| 最終ジャッジ日時 | 2024-07-04 03:47:55 |
| 合計ジャッジ時間 | 8,443 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 45 |
ソースコード
import java.io.*;
import java.util.*;
import java.util.stream.*;
public class Main {
static int ans = 0;
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner();
int n = sc.nextInt();
int[] counts = new int[10];
for (int i = 1; i < 10; i++) {
counts[i] = sc.nextInt();
}
getCount(n, 0, counts, 0);
System.out.println(ans);
}
static void getCount(int idx, int v, int[] counts, long current) {
if (idx == 0) {
ans = Math.max(ans, getCount(current));
}
long by = pow(10, v);
for (int i = 1; i < 10; i++) {
if (counts[i] == 0) {
continue;
}
counts[i]--;
long next = current + i * by;
int tmp = getCount(next, v + 1);
ans = Math.max(ans, tmp);
if (tmp >= v + 1) {
getCount(idx - 1, v + 1, counts, next);
}
counts[i]++;
}
}
static int getCount(long x) {
int count = 0;
while (x > 0 && x % 2 == 0) {
count++;
x >>= 1;
}
return count;
}
static int getCount(long x, int max) {
int count = 0;
for (int i = 0; i < max && x > 0 && x % 2 == 0; i++) {
count++;
x >>= 1;
}
return count;
}
static long pow(long x, int p) {
if (p == 0) {
return 1;
} else {
return pow(x, p - 1) * x;
}
}
}
class Utilities {
static String arrayToLineString(Object[] arr) {
return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n"));
}
static String arrayToLineString(int[] arr) {
return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new));
}
}
class Scanner {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
StringTokenizer st = new StringTokenizer("");
StringBuilder sb = new StringBuilder();
public Scanner() throws Exception {
}
public int nextInt() throws Exception {
return Integer.parseInt(next());
}
public long nextLong() throws Exception {
return Long.parseLong(next());
}
public double nextDouble() throws Exception {
return Double.parseDouble(next());
}
public int[] nextIntArray() throws Exception {
return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();
}
public String next() throws Exception {
while (!st.hasMoreTokens()) {
st = new StringTokenizer(br.readLine());
}
return st.nextToken();
}
}
tenten