#185341 (Java) 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: Java (openjdk 23)
• 結果: AC
• 実行時間: 322 ms / 2,000 ms
• コード長: 4,913 bytes
• コンパイル時間: 4,441 ms
• コンパイル使用メモリ: 77,980 KB
• 実行使用メモリ: 49,048 KB
• 最終ジャッジ日時: 2024-10-04 21:29:45
• 合計ジャッジ時間: 5,900 ms
• ジャッジサーバーID （参考情報）: judge1 / judge5

ファイルパターン	結果
sample	AC * 1
other	AC * 3

ソースコード

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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);
        }
    }
}
 
 
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