#include <stdio.h>
#include <stdlib.h>

#include <iostream>
#include <iomanip>
#include <sstream>
#include <stdint.h>
#include <string.h>

#include <unordered_set>

#define _USE_MATH_DEFINES
#include <math.h>


#include <vector>
#include <list>

#include <set>
#include <map>

#include <unordered_map>

#include <queue>

#include <string>

#include <vector>

#define sqr(x) (x) * (x)

#include <algorithm>
#include <functional>

#include <bitset>

#include <functional>

#include <chrono>

typedef unsigned int u32;
typedef int i32;

typedef unsigned long long int u64;
typedef long long int i64;

typedef uint16_t u16;
typedef int16_t i16;

typedef uint8_t u8;
typedef int8_t i8;


using namespace std;
using namespace std::chrono;

struct less_key
{
    bool operator() (pair<i64, i64> p1, pair<i64, i64> p2)
    {
        return p1.first < p2.first || (p1.first == p2.first && p1.second < p2.second);
    }
};

struct less_key2
{
    bool operator() (pair<i64, i64> p1, pair<i64, i64> p2)
    {
        return p1.second > p2.second || (p1.second == p2.second && p1.first > p2.first);
    }
};

//
//struct pair_hash
//{
//    std::size_t operator()(const i64& k) const
//    {
//        return static_cast<size_t>(k.first ^ k.second);
//    }
//};

#include <random>

const i64 mod = 1000000007ll;
const i64 mod2 = 998244353ll;
const i64 inf = 10000000000000007ll;

const double eps = 1e-10;

template <typename T = i64, T D = 0>
class MaxOp {
public:
    static T op(const T& a, const T&b) {
        return max(a, b);
    }

    static T def() {
        return (T)D;
    }
};

template <typename T = i64, T D = inf>
class MinOp {
public:
    static T op(const T& a, const T&b) {
        return min(a, b);
    }

    static T def() {
        return (T)D;
    }
};

template <typename T = i64, T D = 0>
class SumOp {
public:
    static T op(const T& a, const T&b) {
        return a + b;
    }

    static T def() {
        return (T)D;
    }
};

template <typename D, typename T = i64>
class SegTree {
public:
    i64 n;
    vector<T> t;

private:
    void build(const i64* a, int v, int tl, int tr) {
        if (tl == tr)
            t[v] = a[tl];
        else {
            int tm = (tl + tr) / 2;
            build(a, v * 2, tl, tm);
            build(a, v * 2 + 1, tm + 1, tr);
            t[v] = D().op(t[v * 2], t[v * 2 + 1]);
        }
    }

    i64 get(int v, int tl, int tr, int l, int r) {
        if (l > r) {
            return D().def();
        }
        if (l == tl && r == tr) {
            return t[v];
        }
        int tm = (tl + tr) / 2;
        return D().op(get(v * 2, tl, tm, l, min(r, tm)),
            get(v * 2 + 1, tm + 1, tr, max(l, tm + 1), r));
    }

    void update(int v, int tl, int tr, int pos, int new_val) {
        if (tl == tr) {
            t[v] = new_val;
        }
        else {
            int tm = (tl + tr) / 2;
            if (pos <= tm) {
                update(v * 2, tl, tm, pos, new_val);
            }
            else {
                update(v * 2 + 1, tm + 1, tr, pos, new_val);
            }
            t[v] = D().op(t[v * 2] + t[v * 2 + 1]);
        }
    }

public:
    void build(const vector<i64 >& a) {
        n = a.size();
        t.resize(n * 4);
        build(a.data(), 1, 0, n - 1);
    }

    void build(i64* a, i64 n) {
        this->n = n;
        t.resize(n * 4);
        build(a, 1, 0, n - 1);
    }

    i64 get(i64 l, i64 r) {
        return get(1, 0, n - 1, l, r);
    }

    void update(i64 pos, i64 new_val) {
        update(1, 0, n - 1, pos, new_val);
    }
};

// del


const i64 MAXN = 100005;

i64 parent[MAXN];
i64 cnt[MAXN];

void make_set(i64 v) {
    parent[v] = v;
    cnt[v] = 1;
}

i64 find_set(i64 v) {
    if (v == parent[v])
        return v;
    return parent[v] = find_set(parent[v]);
}

i64 union_sets(i64 a, i64 b) {
    a = find_set(a);
    b = find_set(b);
    if (a != b) {
        i64 r = cnt[a] * cnt[b];
        cnt[a] += cnt[b];
        parent[b] = a;
        return r;
    }
    else {
        return 0;
    }
}


i64 n, m;

vector<pair<i64, i64>> q;



int main() {
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); cout.precision(15); cout.setf(ios::fixed);

    cin >> n >> m;

    for (i64 i = 0; i < m; i++) {
        q.emplace_back();
        auto& p = q.back();
        cin >> p.first >> p.second;
    }

    reverse(q.begin(), q.end());

    for (i64 i = 1; i <= n; i++) {
        make_set(i);
    }

    vector<i64> R;
    i64 t = (n - 1) * n / 2;

    R.push_back(t);

    for (auto p : q) {
        t -= union_sets(p.first, p.second);
        R.push_back(t);
    }

    reverse(R.begin(), R.end());

    if (R[0] != 0) {
        throw 1;
    }
    for (i64 i = 1; i < R.size(); i++) {
        cout << R[i] << endl;
    }

    return 0;
}

Measured memory_bytes: 6256