結果
| 問題 |
No.1924 3 color painting on a line
|
| ユーザー |
tenten
|
| 提出日時 | 2023-04-13 13:58:37 |
| 言語 | Java (openjdk 23) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,440 bytes |
| コンパイル時間 | 2,513 ms |
| コンパイル使用メモリ | 96,672 KB |
| 実行使用メモリ | 54,120 KB |
| 最終ジャッジ日時 | 2024-10-09 11:55:37 |
| 合計ジャッジ時間 | 7,906 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 3 WA * 40 |
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[] inputs = sc.next().toCharArray();
char[] current = new char[3];
int idx = 0;
int ans = 0;
for (char c : inputs) {
if (idx == 0) {
current[idx++] = c;
} else if (idx == 1) {
if (current[0] != c) {
current[idx++] = c;
}
} else if (idx == 2) {
if (current[1] == c) {
} else if (current[0] == c) {
ans++;
idx--;
} else {
current[idx++] = c;
}
} else {
if (current[2] == c) {
} else if (current[1] == c) {
ans++;
idx--;
} else {
ans += 2;
idx -= 2;
}
}
}
ans += idx;
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();
}
}
tenten