import sys, re
from collections import deque, defaultdict, Counter
from math import ceil, sqrt, hypot, factorial, pi, sin, cos, tan, asin, acos, atan, radians, degrees#, log2
from itertools import accumulate, permutations, combinations, combinations_with_replacement, product, groupby
from operator import itemgetter, mul
from copy import deepcopy
from string import ascii_lowercase, ascii_uppercase, digits
from bisect import bisect, bisect_left, insort, insort_left
from fractions import gcd
from heapq import heappush, heappop
from functools import reduce
def input(): return sys.stdin.readline().strip()
def INT(): return int(input())
def MAP(): return map(int, input().split())
def LIST(): return list(map(int, input().split()))
def ZIP(n): return zip(*(MAP() for _ in range(n)))
sys.setrecursionlimit(10 ** 9)
INF = float('inf')
mod = 10**9 + 7
#from decimal import *

class UnionFind():
    def __init__(self, n):
        self.n = n
        # parents[i]: 要素iの親要素の番号
        # 要素iが根の場合、parents[i] = -(そのグループの要素数)
        self.parents = [-1] * n
    def find(self, x):
        if 0 > self.parents[x]:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]
    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)
        if x == y:
            return
        if self.parents[x] > self.parents[y]:
            x, y = y, x
        self.parents[x] += self.parents[y]
        self.parents[y] = x
    # 要素xが属するグループの要素数を返す
    def size(self, x):
        return -self.parents[self.find(x)]
    def same(self, x, y):
        return self.find(x) == self.find(y)
    # 要素xが属するグループに属する要素をリストで返す
    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]
    # 全ての根の要素をリストで返す
    def roots(self):
        return [i for i, x in enumerate(self.parents) if 0 > x]
    # グループの数を返す
    def group_count(self):
        return len(self.roots())
    # 辞書{根の要素: [そのグループに含まれる要素のリスト], ...}を返す
    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}
    # print()での表示用
    # all_group_members()をprintする
    def __str__(self):
        return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())
	
N, M = MAP()
bridge = [LIST() for _ in range(M)][::-1]
tree = UnionFind(N)

ans = []
A = N*(N-1)//2
for x, y in bridge:
	ans.append(max(A, 0))
	#print([tree.size(r) for r in tree.roots()])
	if not tree.same(x-1, y-1):
		A -= tree.size(x-1)*tree.size(y-1)
	tree.union(x-1, y-1)

print(*ans[::-1], sep="\n") import sys, re sys re from collections import deque, defaultdict, Counter from math import ceil, sqrt, hypot, factorial, pi, sin, cos, tan, asin, acos, atan, radians, degrees from itertools import accumulate, permutations, combinations, combinations_with_replacement, product, groupby from operator import itemgetter, mul from copy import deepcopy from string import ascii_lowercase, ascii_uppercase, digits from bisect import bisect, bisect_left, insort, insort_left from fractions import gcd from heapq import heappush, heappop from functools import reduce def input(): return sys.stdin.readline().strip() input def INT(): return int(input()) INT def MAP(): return map(int, input().split()) MAP def LIST(): return list(map(int, input().split())) LIST MAP() for _ in range(n) for _ in range(n) _ range(n) range n for _ in range(n) MAP() MAP def ZIP(n): return zip(*(MAP() for _ in range(n))) ZIP n n sys.setrecursionlimit(10 ** 9) sys.setrecursionlimit sys setrecursionlimit 10 ** 9 10 9 INF = float('inf') INF float('inf') float 'inf' mod = 10**9 + 7 mod 10**9 + 7 10**9 10 9 7 class UnionFind():
    def __init__(self, n):
        self.n = n
        # parents[i]: 要素iの親要素の番号
        # 要素iが根の場合、parents[i] = -(そのグループの要素数)
        self.parents = [-1] * n
    def find(self, x):
        if 0 > self.parents[x]:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]
    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)
        if x == y:
            return
        if self.parents[x] > self.parents[y]:
            x, y = y, x
        self.parents[x] += self.parents[y]
        self.parents[y] = x
    # 要素xが属するグループの要素数を返す
    def size(self, x):
        return -self.parents[self.find(x)]
    def same(self, x, y):
        return self.find(x) == self.find(y)
    # 要素xが属するグループに属する要素をリストで返す
    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]
    # 全ての根の要素をリストで返す
    def roots(self):
        return [i for i, x in enumerate(self.parents) if 0 > x]
    # グループの数を返す
    def group_count(self):
        return len(self.roots())
    # 辞書{根の要素: [そのグループに含まれる要素のリスト], ...}を返す
    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}
    # print()での表示用
    # all_group_members()をprintする
    def __str__(self):
        return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())
	 UnionFind def __init__(self, n):
        self.n = n
        # parents[i]: 要素iの親要素の番号
        # 要素iが根の場合、parents[i] = -(そのグループの要素数)
        self.parents = [-1] * n
     __init__ self.n = n self.n self n n self.parents = [-1] * n self.parents self parents [-1] * n [-1] -1 n self self n n def find(self, x):
        if 0 > self.parents[x]:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]
     find if 0 > self.parents[x]:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]
     0 > self.parents[x] 0 self.parents[x] self.parents self parents x return x x self.parents[x] = self.find(self.parents[x]) self.parents[x] self.parents self parents x self.find(self.parents[x]) self.find self find self.parents[x] self.parents self parents x return self.parents[x] self.parents[x] self.parents self parents x self self x x def union(self, x, y):
        x = self.find(x)
        y = self.find(y)
        if x == y:
            return
        if self.parents[x] > self.parents[y]:
            x, y = y, x
        self.parents[x] += self.parents[y]
        self.parents[y] = x
    # 要素xが属するグループの要素数を返す
     union x = self.find(x) x self.find(x) self.find self find x y = self.find(y) y self.find(y) self.find self find y if x == y:
            return
         x == y x y return if self.parents[x] > self.parents[y]:
            x, y = y, x
         self.parents[x] > self.parents[y] self.parents[x] self.parents self parents x self.parents[y] self.parents self parents y x, y = y, x x y y x self.parents[x] += self.parents[y] self.parents[x] self.parents self parents x self.parents[y] self.parents self parents y self.parents[y] = x self.parents[y] self.parents self parents y x self self x x y y def size(self, x):
        return -self.parents[self.find(x)]
     size return -self.parents[self.find(x)] -self.parents[self.find(x)] self.parents[self.find(x)] self.parents self parents self.find(x) self.find self find x self self x x def same(self, x, y):
        return self.find(x) == self.find(y)
    # 要素xが属するグループに属する要素をリストで返す
     same return self.find(x) == self.find(y) self.find(x) == self.find(y) self.find(x) self.find self find x self.find(y) self.find self find y self self x x y y def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]
    # 全ての根の要素をリストで返す
     members root = self.find(x) root self.find(x) self.find self find x i for i in range(self.n) if self.find(i) == root for i in range(self.n) if self.find(i) == root i range(self.n) range self.n self n self.find(i) == root self.find(i) self.find self find i root if self.find(i) == root i return [i for i in range(self.n) if self.find(i) == root] [i for i in range(self.n) if self.find(i) == root] self self x x def roots(self):
        return [i for i, x in enumerate(self.parents) if 0 > x]
    # グループの数を返す
     roots i for i, x in enumerate(self.parents) if 0 > x for i, x in enumerate(self.parents) if 0 > x i x enumerate(self.parents) enumerate self.parents self parents 0 > x 0 x if 0 > x i return [i for i, x in enumerate(self.parents) if 0 > x] [i for i, x in enumerate(self.parents) if 0 > x] self self def group_count(self):
        return len(self.roots())
    # 辞書{根の要素: [そのグループに含まれる要素のリスト], ...}を返す
     group_count return len(self.roots()) len(self.roots()) len self.roots() self.roots self roots self self def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}
    # print()での表示用
    # all_group_members()をprintする
     all_group_members r: self.members(r) for r in self.roots() for r in self.roots() r self.roots() self.roots self roots for r in self.roots() r self.members(r) self.members self members r return {r: self.members(r) for r in self.roots()} {r: self.members(r) for r in self.roots()} self self def __str__(self):
        return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())
	 __str__ return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots()) '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots()) '\n'.join '\n' join '{}: {}'.format(r, self.members(r)) '{}: {}'.format '{}: {}' format r self.members(r) self.members self members r self self N, M = MAP() N MAP() MAP M LIST() for _ in range(M) for _ in range(M) _ range(M) range M for _ in range(M) LIST() LIST bridge = [LIST() for _ in range(M)][::-1] bridge [LIST() for _ in range(M)][::-1] [LIST() for _ in range(M)] ::-1 -1 tree = UnionFind(N) tree UnionFind(N) UnionFind N ans = [] ans [] A = N*(N-1)//2 A N*(N-1)//2 N*(N-1) N N-1 N 1 2 for x, y in bridge:
	ans.append(max(A, 0))
	#print([tree.size(r) for r in tree.roots()])
	if not tree.same(x-1, y-1):
		A -= tree.size(x-1)*tree.size(y-1)
	tree.union(x-1, y-1) x y bridge ans.append(max(A, 0)) ans.append ans append max(A, 0) max A 0 if not tree.same(x-1, y-1):
		A -= tree.size(x-1)*tree.size(y-1)
	 not tree.same(x-1, y-1) tree.same(x-1, y-1) tree.same tree same x-1 x 1 y-1 y 1 A -= tree.size(x-1)*tree.size(y-1) A tree.size(x-1)*tree.size(y-1) tree.size(x-1) tree.size tree size x-1 x 1 tree.size(y-1) tree.size tree size y-1 y 1 tree.union(x-1, y-1) tree.union tree union x-1 x 1 y-1 y 1 print(*ans[::-1], sep="\n") print *ans[::-1] ans[::-1] ans ::-1 -1 sep="\n" sep "\n" bridge = [LIST() for _ in range(M)][::-1] [LIST() for _ in range(M)][::-1] bridge def LIST(): return list(map(int, input().split())) def LIST(): return list(map(int, input().split())) LIST M = MAP() MAP() M def input(): return sys.stdin.readline().strip() def input(): return sys.stdin.readline().strip() input INF = float('inf') float('inf') INF def INT(): return int(input()) def INT(): return int(input()) INT class UnionFind():
    def __init__(self, n):
        self.n = n
        # parents[i]: 要素iの親要素の番号
        # 要素iが根の場合、parents[i] = -(そのグループの要素数)
        self.parents = [-1] * n
    def find(self, x):
        if 0 > self.parents[x]:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]
    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)
        if x == y:
            return
        if self.parents[x] > self.parents[y]:
            x, y = y, x
        self.parents[x] += self.parents[y]
        self.parents[y] = x
    # 要素xが属するグループの要素数を返す
    def size(self, x):
        return -self.parents[self.find(x)]
    def same(self, x, y):
        return self.find(x) == self.find(y)
    # 要素xが属するグループに属する要素をリストで返す
    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]
    # 全ての根の要素をリストで返す
    def roots(self):
        return [i for i, x in enumerate(self.parents) if 0 > x]
    # グループの数を返す
    def group_count(self):
        return len(self.roots())
    # 辞書{根の要素: [そのグループに含まれる要素のリスト], ...}を返す
    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}
    # print()での表示用
    # all_group_members()をprintする
    def __str__(self):
        return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())
	 class UnionFind():
    def __init__(self, n):
        self.n = n
        # parents[i]: 要素iの親要素の番号
        # 要素iが根の場合、parents[i] = -(そのグループの要素数)
        self.parents = [-1] * n
    def find(self, x):
        if 0 > self.parents[x]:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]
    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)
        if x == y:
            return
        if self.parents[x] > self.parents[y]:
            x, y = y, x
        self.parents[x] += self.parents[y]
        self.parents[y] = x
    # 要素xが属するグループの要素数を返す
    def size(self, x):
        return -self.parents[self.find(x)]
    def same(self, x, y):
        return self.find(x) == self.find(y)
    # 要素xが属するグループに属する要素をリストで返す
    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]
    # 全ての根の要素をリストで返す
    def roots(self):
        return [i for i, x in enumerate(self.parents) if 0 > x]
    # グループの数を返す
    def group_count(self):
        return len(self.roots())
    # 辞書{根の要素: [そのグループに含まれる要素のリスト], ...}を返す
    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}
    # print()での表示用
    # all_group_members()をprintする
    def __str__(self):
        return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())
	 UnionFind A -= tree.size(x-1)*tree.size(y-1) tree.size(x-1)*tree.size(y-1) A mod = 10**9 + 7 10**9 + 7 mod N, M = MAP() MAP() N A = N*(N-1)//2 N*(N-1)//2 A def MAP(): return map(int, input().split()) def MAP(): return map(int, input().split()) MAP def ZIP(n): return zip(*(MAP() for _ in range(n))) def ZIP(n): return zip(*(MAP() for _ in range(n))) ZIP tree = UnionFind(N) UnionFind(N) tree ans = [] [] ans
import sys, re
from collections import deque, defaultdict, Counter
from math import ceil, sqrt, hypot, factorial, pi, sin, cos, tan, asin, acos, atan, radians, degrees#, log2
from itertools import accumulate, permutations, combinations, combinations_with_replacement, product, groupby
from operator import itemgetter, mul
from copy import deepcopy
from string import ascii_lowercase, ascii_uppercase, digits
from bisect import bisect, bisect_left, insort, insort_left
from fractions import gcd
from heapq import heappush, heappop
from functools import reduce
def input(): return sys.stdin.readline().strip()
def INT(): return int(input())
def MAP(): return map(int, input().split())
def LIST(): return list(map(int, input().split()))
def ZIP(n): return zip(*(MAP() for _ in range(n)))
sys.setrecursionlimit(10 ** 9)
INF = float('inf')
mod = 10**9 + 7
#from decimal import *

class UnionFind():
    def __init__(self, n):
        self.n = n
        # parents[i]: 要素iの親要素の番号
        # 要素iが根の場合、parents[i] = -(そのグループの要素数)
        self.parents = [-1] * n
    def find(self, x):
        if 0 > self.parents[x]:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]
    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)
        if x == y:
            return
        if self.parents[x] > self.parents[y]:
            x, y = y, x
        self.parents[x] += self.parents[y]
        self.parents[y] = x
    # 要素xが属するグループの要素数を返す
    def size(self, x):
        return -self.parents[self.find(x)]
    def same(self, x, y):
        return self.find(x) == self.find(y)
    # 要素xが属するグループに属する要素をリストで返す
    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]
    # 全ての根の要素をリストで返す
    def roots(self):
        return [i for i, x in enumerate(self.parents) if 0 > x]
    # グループの数を返す
    def group_count(self):
        return len(self.roots())
    # 辞書{根の要素: [そのグループに含まれる要素のリスト], ...}を返す
    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}
    # print()での表示用
    # all_group_members()をprintする
    def __str__(self):
        return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())
	
N, M = MAP()
bridge = [LIST() for _ in range(M)][::-1]
tree = UnionFind(N)

ans = []
A = N*(N-1)//2
for x, y in bridge:
	ans.append(max(A, 0))
	#print([tree.size(r) for r in tree.roots()])
	if not tree.same(x-1, y-1):
		A -= tree.size(x-1)*tree.size(y-1)
	tree.union(x-1, y-1)

print(*ans[::-1], sep="\n")