def getInts():
    return list(map(int, input().split(' ')))

n, m, q = getInts()

f = [[] for _ in range(n + 1)]
e = [0] * (n + 1)

def sek(k):
    h = [1]
    while len(h) > 0:
        w = []
        for x in h:
            for y in f[x]:
                if e[y] < k:
                    e[y] = k
                    w.append(y)
        h = w

        
for _ in range(m):
    a, b = getInts()
    f[a].append(b)
    f[b].append(a)

sek(1)

for i in range(q):
    c, d = getInts()
    f[c].remove(d)
    f[d].remove(c)
    sek(i + 2)

for i in range(2, n + 1):
    if e[i] == 0:
        print(0)
    elif e[i] > q:
        print(-1)
    else:
        print(e[i])