#185341 (Java21) No.539 インクリメント

• 問題: No.539 インクリメント
• ユーザー: Grenache
• 提出日時: 2017-06-30 23:24:05
• 言語: Java21 (openjdk 21)
• 結果: AC
• 実行時間: 347 ms / 2,000 ms
• コード長: 4,913 bytes
• コンパイル時間: 4,264 ms
• コンパイル使用メモリ: 78,368 KB
• 実行使用メモリ: 48,216 KB
• 最終ジャッジ日時: 2024-04-15 07:06:26
• 合計ジャッジ時間: 5,991 ms
• ジャッジサーバーID （参考情報）: judge4 / judge3

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	56 ms; 48,216 KB
testcase_01	AC	309 ms; 46,760 KB
testcase_02	AC	337 ms; 47,444 KB
testcase_03	AC	347 ms; 46,476 KB

ソースコード

import java.io.*;
import java.util.*;


public class Main_yukicoder539_1 {

	private static Scanner sc;
	private static Printer pr;

	private static void solve() {
		int t = sc.nextInt();

		for (int tcase = 0; tcase < t; tcase++) {
			char[] s = sc.nextLine().toCharArray();
			int n = s.length;

			int from = -1;
			int to = -1;
			boolean cf = false;
			for (int i = n - 1; i >= 0; i--) {
				if (to == -1) {
					if (s[i] >= '0' && s[i] <= '9') {
						to = i;
						if (s[i] == '9') {
							cf = true;
							s[i] = '0';
						} else {
							s[i]++;
						}
					}
				} else if (from == -1) {
					if (s[i] < '0' || s[i] > '9') {
						from = i;
						break;
					} else {
						if (cf && s[i] == '9') {
							cf = true;
							s[i] = '0';
						} else if (cf) {
							s[i]++;
							cf = false;
						}
					}
				}
			}

			if (to == -1) {
				pr.println(s);
			} else {
				from += 1;
				to += 1;

				if (!cf) {
					pr.println(s);
				} else {
					StringBuilder ans = new StringBuilder(n + 1);
					for (int i = 0; i < from; i++) {
						ans.append(s[i]);
					}
					ans.append('1');

					for (int i = from; i < n; i++) {
						ans.append(s[i]);
					}

					pr.println(ans);
				}
			}
		}
	}

	// ---------------------------------------------------
	public static void main(String[] args) {
		sc = new Scanner(System.in);
		pr = new Printer(System.out);

		solve();

		pr.close();
		sc.close();
	}

	@SuppressWarnings("unused")
	private static class Scanner {
		BufferedReader br;

		Scanner (InputStream in) {
			br = new BufferedReader(new InputStreamReader(in));
		}

		private boolean isPrintable(int ch) {
			return ch >= '!' && ch <= '~';
		}

		private boolean isCRLF(int ch) {
			return ch == '\n' || ch == '\r' || ch == -1;
		}

		private int nextPrintable() {
			try {
				int ch;
				while (!isPrintable(ch = br.read())) {
					if (ch == -1) {
						throw new NoSuchElementException();
					}
				}

				return ch;
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		String next() {
			try {
				int ch = nextPrintable();
				StringBuilder sb = new StringBuilder();
				do {
					sb.appendCodePoint(ch);
				} while (isPrintable(ch = br.read()));

				return sb.toString();
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		int nextInt() {
			try {
				// parseInt from Integer.parseInt()
				boolean negative = false;
				int res = 0;
				int limit = -Integer.MAX_VALUE;
				int radix = 10;

				int fc = nextPrintable();
				if (fc < '0') {
					if (fc == '-') {
						negative = true;
						limit = Integer.MIN_VALUE;
					} else if (fc != '+') {
						throw new NumberFormatException();
					}
					fc = br.read();
				}
				int multmin = limit / radix;

				int ch = fc;
				do {
					int digit = ch - '0';
					if (digit < 0 || digit >= radix) {
						throw new NumberFormatException();
					}
					if (res < multmin) {
						throw new NumberFormatException();
					}
					res *= radix;
					if (res < limit + digit) {
						throw new NumberFormatException();
					}
					res -= digit;

				} while (isPrintable(ch = br.read()));

				return negative ? res : -res;
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		long nextLong() {
			try {
				// parseLong from Long.parseLong()
				boolean negative = false;
				long res = 0;
				long limit = -Long.MAX_VALUE;
				int radix = 10;

				int fc = nextPrintable();
				if (fc < '0') {
					if (fc == '-') {
						negative = true;
						limit = Long.MIN_VALUE;
					} else if (fc != '+') {
						throw new NumberFormatException();
					}
					fc = br.read();
				}
				long multmin = limit / radix;

				int ch = fc;
				do {
					int digit = ch - '0';
					if (digit < 0 || digit >= radix) {
						throw new NumberFormatException();
					}
					if (res < multmin) {
						throw new NumberFormatException();
					}
					res *= radix;
					if (res < limit + digit) {
						throw new NumberFormatException();
					}
					res -= digit;

				} while (isPrintable(ch = br.read()));

				return negative ? res : -res;
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		float nextFloat() {
			return Float.parseFloat(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			try {
				int ch;
				while (isCRLF(ch = br.read())) {
					if (ch == -1) {
						throw new NoSuchElementException();
					}
				}
				StringBuilder sb = new StringBuilder();
				do {
					sb.appendCodePoint(ch);
				} while (!isCRLF(ch = br.read()));

				return sb.toString();
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		void close() {
			try {
				br.close();
			} catch (IOException e) {
//				throw new NoSuchElementException();
			}
		}
	}

	private static class Printer extends PrintWriter {
		Printer(PrintStream out) {
			super(out);
		}
	}
}