結果
問題 | No.2209 Flip and Reverse |
ユーザー |
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提出日時 | 2023-02-14 09:57:33 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 325 ms / 2,000 ms |
コード長 | 2,106 bytes |
コンパイル時間 | 4,105 ms |
コンパイル使用メモリ | 92,624 KB |
実行使用メモリ | 53,168 KB |
最終ジャッジ日時 | 2024-07-16 19:09:37 |
合計ジャッジ時間 | 12,831 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 30 |
ソースコード
import java.io.*;import java.util.*;import java.util.stream.*;public class Main {public static void main(String[] args) throws Exception {Scanner sc = new Scanner();int n = sc.nextInt();char[] s = sc.next().toCharArray();int sCount = 0;for (char c : s) {if (c == '1') {sCount++;}}char[] t = sc.next().toCharArray();int tCount = 0;for (char c : t) {if (c == '1') {tCount++;}}if (Math.abs(sCount - tCount) % 2 == 1) {t = new StringBuilder(new String(t)).reverse().toString().toCharArray();}int ans = 0;for (int i = 0; i < n; i++) {if (s[i] != t[i]) {ans++;}}System.out.println(ans);}}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();}}