Language: Java

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

public class Main {
 
    public static void main(String[] args) {
        FastScanner sc = new FastScanner();
        int n = sc.nextInt();
        int m = sc.nextInt();
        int k = sc.nextInt();
        UnionFind uf = new UnionFind(n);
        int[] fb = new int[n+1];

        for (int i = 0; i < m; i++) {
            int a = sc.nextInt();
            int b = sc.nextInt();
            fb[a]++; fb[b]++;
            uf.unite(a,b);
        }
        for (int i = 0; i < k; i++) {
            int c = sc.nextInt();
            int d = sc.nextInt();
            if (uf.same(c,d)) {
                fb[c]++; fb[d]++;
            }
        }
        for (int i = 1; i < n+1; i++) {
            System.out.print(uf.size(i)-1-fb(i));
            System.out.print(" ");
        }
    
    }
}

class UnionFind {
    int[] date = new int[1000000];
    UnionFind (int n) {
        for (int i = 0; i < n+1; i++) {
            this.date[i] = -1;
        }
    }
    public int find(int x) {
        if (this.date[x] < 0) return x;
        else {
            this.date[x] = find(this.date[x]);
            return this.date[x];
        }
    }
    public void unite(int x, int y) {
        x = find(x);
        y = find(y);
        if (x != y) {
            if (this.date[x] < this.date[y]) {
                this.date[x] += this.date[y];
                this.date[y] = x;
            } else {
                this.date[y] += this.date[x];
                this.date[x] = y;
            }
        }
    }
    public boolean same(int x, int y) {
        return find(x) == find(y);
    }
    public int size(int x) {
        return -this.date[find(x)];
    }
}

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:28: error: cannot find symbol
            System.out.print(uf.size(i)-1-fb(i));
                                          ^
  symbol:   method fb(int)
  location: class Main
1 error