Problem: 2050C - Uninteresting Number
Language: java

Solution 1 (runtime: 311 ms):
import java.io.*;
import java.util.*;

public class UninterestingNumber {
    public static void main(String[] args) throws IOException {
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer tokenizer = new StringTokenizer(in.readLine());

        int t = Integer.parseInt(tokenizer.nextToken());
        ArrayList<String> ans = new ArrayList<>();

        for (int i = 0; i < t; i++) {
            tokenizer = new StringTokenizer(in.readLine());
            String n = tokenizer.nextToken();
            int num = simplify(n);

            if (num == 0) {
                ans.add("YES");
                continue;
            }

            int num2 = numTwos(n);
            int num3 = numThrees(n);

            boolean canAdd = false;

            if (num == 1) {
                if (num3 >= 1 && num2 >= 1) {
                    canAdd = true;
                } else if (num2 >= 4) {
                    canAdd = true;
                }
            } else if (num == 2) {
                if (num3 >= 2 && num2 >= 2) {
                    canAdd = true;
                } else if (num3 == 1 && num2 >= 5) {
                    canAdd = true;
                } else if (num2 >= 8) {
                    canAdd = true;
                }
            } else if (num == 3) {
                if (num3 >= 1 || num2 >= 3) {
                    canAdd = true;
                }
            } else if (num == 4) {
                if (num3 >= 2 && num2 >= 1) {
                    canAdd = true;
                } else if (num3 == 1 && num2 >= 4) {
                    canAdd = true;
                } else if (num2 >= 7) {
                    canAdd = true;
                }
            } else if (num == 5) {
                if (num2 >= 2) {
                    canAdd = true;
                }
            } else if (num == 6) {
                if (num3 >= 2) {
                    canAdd = true;
                } else if (num3 == 1 && num2 >= 3) {
                    canAdd = true;
                } else if (num2 >= 6) {
                    canAdd = true;
                }
            } else if (num == 7) {
                if (num2 >= 1) {
                    canAdd = true;
                }
            } else if (num == 8) {
                if (num3 >= 1 && num2 >= 2) {
                    canAdd = true;
                } else if (num2 >= 5) {
                    canAdd = true;
                }
            }

            if (canAdd) {
                ans.add("YES");
                continue;
            }
            ans.add("NO");
        }

        for (String s : ans) {
            System.out.println(s);
        }
    }

    public static int numTwos(String x) {
        int ret = 0;
        for (char a : x.toCharArray()) {
            if ((a - '0') == 2) ret++;
        }
        return ret;
    }

    public static int numThrees(String x) {
        int ret = 0;
        for (char a : x.toCharArray()) {
            if ((a - '0') == 3) ret++;
        }
        return ret;
    }

    public static int simplify(String x) {
        int ret = 0;
        for (char a : x.toCharArray()) {
            ret += (a - '0');
        }
        return ret % 9;
    }
}

Solution 2 (runtime: 249 ms):

import java.io.*;
import java.util.Map;
import java.util.StringTokenizer;

/**
 * @author raito
 * @since 2024/12/26
 */
public class Cr_991 {
    public static void main(String[] args) {
        Fast fast = new Fast();
        new Cr_991().C(fast);
        fast.flush();
    }

    public void C(Fast fast) {
        int t = fast.nextInt();
        while(--t >= 0) {
            String s = fast.nextLine();
            long sum = 0;
            int a2 = 0;
            int a3 = 0;
            for (int i = 0; i < s.length(); i++) {
                int p = s.charAt(i) - '0';
                sum += p;
                if (p == 2) {
                    a2++;
                }
                if (p == 3) {
                    a3++;
                }
            }
            int d = (int) (sum % 9);
            if (d == 0) {
                fast.write("YES\n");
                continue;
            }
            // 6, 3
            // 2, 4, 6, 8, 1, 3, 5, 7, 0, 2, 4, 6, 8, 1, 3, 5, 7, 0
            int p = 9 - d;
            if (p == 2) {
                if (a2 > 0) {
                    fast.write("YES\n");
                } else {
                    fast.write("NO\n");
                }
            } else if (p == 4) {
                if (a2 > 1) {
                    fast.write("YES\n");
                } else {
                    fast.write("NO\n");
                }
            } else if (p == 3) {
                if (a3 >= 2 || (a3 == 1 && a2 >= 3 ) || a2 >= 6) {
                    fast.write("YES\n");
                } else {
                    fast.write("NO\n");
                }
            } else if (p == 1) {
                if (a2 >= 5 || (a3 >= 1 && a2 >= 2)) {
                    fast.write("YES\n");
                } else {
                    fast.write("NO\n");
                }
            } else if (p == 5) {
                if (a2 >= 7 || (a3 >= 2 && a2 >= 1) || (a3 == 1 && a2 >= 4)) {
                    fast.write("YES\n");
                } else {
                    fast.write("NO\n");
                }
            } else if (p == 6) {
                if (a3 >= 1 || a2 >= 3) {
                    fast.write("YES\n");
                } else {
                    fast.write("NO\n");
                }
            } else if (p == 7) {
                if (a2 >= 8 || (a3 == 1 && a2 >= 5) || (a3 > 1 && a2 >= 2)) {
                    fast.write("YES\n");
                } else {
                    fast.write("NO\n");
                }
            } else {
                if (a2 >= 4 || (a3 >= 1 && a2 >= 1)) {
                    fast.write("YES\n");
                } else {
                    fast.write("NO\n");
                }
            }

        }
    }

    public void B(Fast fast) {
        int t = fast.nextInt();
        while(--t >= 0) {
            int n = fast.nextInt();
            long[] a = new long[n];
            long asum = 0;
            long bsum = 0;
            for (int i = 0; i < n; i++) {
                a[i] = fast.nextLong();
                if (((i + 1) & 1) == 1) {
                    asum += a[i];
                } else {
                    bsum += a[i];
                }
            }
            long sum = asum + bsum;
            if (sum % n != 0) {
                fast.write("NO\n");
                continue;
            }
            long target = sum / n;
            int blen = n / 2;
            int alen = n - blen;
            if (asum != alen * target || bsum != target * blen) {
                fast.write("NO\n");
            } else {
                fast.write("YES\n");
            }
        }
    }

    public void A(Fast fast) {
        int t = fast.nextInt();
        while(--t >= 0) {
            int n = fast.nextInt();
            int m = fast.nextInt();
            int ans = 0;
            for(int i = 0; i < n; i++) {
                String s = fast.nextLine();
                if (s.length() <= m) {
                    m -= s.length();
                    ans++;
                } else {
                    m = -1;
                }
            }
            fast.write(ans + "\n");
        }
    }

    public static class Fast {
        BufferedReader br;
        StringTokenizer st;
        BufferedWriter bw;

        public Fast() {
            br = new BufferedReader(new InputStreamReader(System.in));
        }

        String next() {
            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    System.out.println(e.getMessage());
                }
            }
            return st.nextToken();
        }

        int nextInt() {
            return Integer.parseInt(next());
        }

        long nextLong() {
            return Long.parseLong(next());
        }

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

        String nextLine() {
            String str = "";
            try {
                str = br.readLine();
            } catch (IOException e) {
                System.out.println(e.getMessage());
            }
            return str;
        }

        void write(String s) {
            if (bw == null) {
                bw = new BufferedWriter(new OutputStreamWriter(System.out));
            }
            try {
                bw.write(s);
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }

        void write(int c) {
            if (bw == null) {
                bw = new BufferedWriter(new OutputStreamWriter(System.out));
            }
            try {
                bw.write(c);
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }

        void flush() {
            if (bw != null) {
                try {
                    bw.flush();
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
        }
    }
}