Language: Java

package abc165;

import java.io.PrintWriter;
import java.util.Arrays;


class Point implements Comparable<Point>{
	int a;
	int b;
	int c;
	int d;
	public Point(int a, int b, int c, int d) {
		this.a = a;
		this.b = b;
		this.c = c;
		this.d = d;
	}
	@Override
	public int compareTo(Point o) {
		if(this.d < o.d) {
			return 1;
		}else if(this.d > o.d) {
			return -1;
		}else {
			return 0;
		}
	}
}

public class C {

	public static void main(String[] args) {
		FastScanner stdIn = new FastScanner();
		PrintWriter out = new PrintWriter(System.out);

		int n = stdIn.nextInt();
		int m = stdIn.nextInt();
		int q = stdIn.nextInt();

		int[] A = new int[n];
		A[n-1] = m; //a[n-1] = m のとき最大をとる

		Point[] point = new Point[q];
		

		for(int i = 0; i < q; i++) {
			point[i] = new Point(stdIn.nextInt(),stdIn.nextInt(),stdIn.nextInt(),stdIn.nextInt());
			
		}

		Arrays.sort(point);
		
		boolean [] boolA = new boolean[n];
		
		for(int i = 0; i < q; i++) {
			if(boolA[point[i].b]==false) {
				A[point[i].b] = a[i];
			}
		};;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/wakewakara-----n








		out.flush();
	}

}
class FastScanner {
    private final InputStream in = System.in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;
    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        }else{
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    }
    private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;}
    private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}
    public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();}
    public String next() {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while(isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }
    public long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while(true){
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }
    public int nextInt() {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
        return (int) nl;
    }
    public double nextDouble() { return Double.parseDouble(next());}
}

Compiler output:
Main.java:59: error: illegal start of expression
		};;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/wakewakara-----n
		                                           ^
Main.java:59: error: not a statement
		};;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/wakewakara-----n
		                                                          ^
Main.java:59: error: ';' expected
		};;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/wakewakara-----n
		                                                            ^
3 errors