from bisect import bisect_left


class PertiallyPersistentUnionFind:
    def __init__(self, n):
        self.INF = 10 ** 9
        self.parent = [-1] * n
        self.time = [self.INF] * n
        self.size = [[(-1, -1)] for i in range(n)]

    def root(self, t, x):
        while self.time[x] <= t:
            x = self.parent[x]
        return x

    def merge(self, t, x, y):
        x = self.root(t, x)
        y = self.root(t, y)
        if x == y:
            return False
        if self.parent[x] > self.parent[y]:
            x, y = y, x
        self.parent[x] += self.parent[y]
        self.size[x].append((t, self.parent[x]))
        self.parent[y] = x
        self.time[y] = t
        return True

    def same(self, t, x, y):
        return self.root(t, x) == self.root(t, y)

    def size(self, t, x):
        x = self.root(t, x)
        idx = bisect_left(self.size[x], (t, self.INF)) - 1
        return -self.size[x][idx][1]


n, m, q = map(int, input().split())
edges = [tuple(map(int, input().split())) for i in range(m)]
queries = [tuple(map(int, input().split())) for i in range(q)]


remain = set(edges)
for e in queries:
    remain.remove(e)

uf = PertiallyPersistentUnionFind(n)
for a, b in remain:
    a -= 1
    b -= 1
    uf.merge(0, a, b)

for t, (a, b) in enumerate(queries[::-1]):
    a -= 1
    b -= 1
    t += 1
    uf.merge(t, a, b)

ans = []
for v in range(1, n):
    if not uf.same(q, 0, v):
        ans.append(0)
        continue
    ok = q
    ng = -1
    while abs(ok - ng) > 1:
        mid = (ok + ng) // 2
        if uf.same(mid, 0, v):
            ok = mid
        else:
            ng = mid
    if ok == 0:
        ans.append(-1)
    else:
        ans.append(q - ok + 1)
    
print('\n'.join(map(str, ans)))