#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define ll long long
#define ld long double
#define ull unsigned long long
#define ff first
#define ss second
#define pii pair<int,int>
#define pll pair<long long, long long>
#define vi vector<int>
#define vl vector<long long>
#define pb push_back
#define rep(i, b) for(int i = 0; i < (b); ++i)
#define rep2(i,a,b) for(int i = a; i <= (b); ++i)
#define rep3(i,a,b,c) for(int i = a; i <= (b); i+=c)
#define count_bits(x) __builtin_popcountll((x))
#define all(x) (x).begin(),(x).end()
#define siz(x) (int)(x).size()
#define forall(it,x) for(auto& it:(x))
using namespace __gnu_pbds;
using namespace std;
typedef tree<int, null_type, less<int>, rb_tree_tag,tree_order_statistics_node_update> ordered_set;
//mt19937 mt;void random_start(){mt.seed(chrono::time_point_cast<chrono::milliseconds>(chrono::high_resolution_clock::now()).time_since_epoch().count());}
//ll los(ll a, ll b) {return a + (mt() % (b-a+1));}
const int INF = 1e9+50;
const ll INF_L = 1e18+40;
const ll MOD = 1e9+7;
vi comp[300001];
int rep_[300001];
int siz_[300001];
ll in_count[300001];
int total_edges[300001];
set<int> in_edges[300001]; //vert vert
set<int> out_edges[300001]; //vert vert
set<int> edges_comp_out[3000001];
set<int> edges_comp_in[3000001];
vector<pii> list_to_union;
ll cur_ans = 0;
int fint(int v)
{
if(rep_[v] == v) return v;
rep_[v] = fint(rep_[v]);
return rep_[v];
}
void onion(int a, int b)
{
if(total_edges[a] + siz_[a] > total_edges[b] + siz_[b]) swap(a,b);
cur_ans -= (ll)(siz_[a]) * (ll)(siz_[a]-1);
cur_ans -= (ll)(siz_[b]) * (ll)(siz_[b]-1);
cur_ans -= in_count[a] * (ll)siz_[a];
cur_ans -= in_count[b] * (ll)siz_[b];
// cout << cur_ans << " cur\n";
// cout << in_count[a] << " ina\n";
forall(v,comp[a])
{
// cout << v << " v\n";
comp[b].pb(v);
vi del;
forall(it,in_edges[v])
{
// cout << it << " in\n";
if(fint(it) == b)
{
out_edges[it].erase(out_edges[it].find(v));
del.pb(it);
in_count[a]--;
}
else
{
if(edges_comp_out[it].find(b) != edges_comp_out[it].end())
{
in_count[a]--;
}
edges_comp_out[it].erase(edges_comp_out[it].find(a));
edges_comp_out[it].insert(b);
if(edges_comp_out[it].find(b) != edges_comp_out[it].end() && edges_comp_in[it].find(b) != edges_comp_in[it].end())
{
list_to_union.pb({it,b});
}
}
}
while(!del.empty())
{
in_edges[v].erase(in_edges[v].find(del.back()));
del.pop_back();
}
bool was_del = false;
forall(it,out_edges[v])
{
//cout << it << " out\n";
if(fint(it) == b)
{
in_edges[it].erase(in_edges[it].find(v));
del.pb(it);
if(!was_del) in_count[b]--;
was_del = true;
}
else
{
edges_comp_in[it].erase(edges_comp_in[it].find(a));
edges_comp_in[it].insert(b);
if(edges_comp_out[it].find(b) != edges_comp_out[it].end() && edges_comp_in[it].find(b) != edges_comp_in[it].end())
{
list_to_union.pb({it,b});
}
}
}
while(!del.empty())
{
out_edges[v].erase(out_edges[v].find(del.back()));
del.pop_back();
}
}
total_edges[b] += total_edges[a];
in_count[b] += in_count[a];
rep_[a] = b;
siz_[b] += siz_[a];
cur_ans += (ll)(siz_[b]) * (ll)(siz_[b]-1);
cur_ans += in_count[b] * (ll)siz_[b];
//cout << in_count[b] << " " << siz_[b] << " res\n";
}
void try_union()
{
while(!list_to_union.empty())
{
pii w = list_to_union.back();
list_to_union.pop_back();
int a = fint(w.ff);
int b = fint(w.ss);
if(a == b) continue;
onion(a,b);
}
}
int main()
{
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
//random_start();
int n,m;
cin >> n >> m;
rep2(i,1,n)
{
rep_[i] = i;
siz_[i] = 1;
comp[i] = {i};
}
rep(i,m)
{
int a,b;
cin >> a >> b;
int a2 = fint(a);
int b2 = fint(b);
if(a2 == b2)
{
cout << cur_ans << "\n";
continue;
}
//cout << a << " " << b << " " << edges[{b,a}] << " xd\n";
if(edges_comp_out[a].find(b2) == edges_comp_out[a].end())
{
edges_comp_out[a].insert(b2);
edges_comp_in[b].insert(a2);
out_edges[a].insert(b);
in_edges[b].insert(a);
cur_ans += siz_[b2];
in_count[b2]++;
total_edges[a2] += 2;
total_edges[b2] += 2;
// cout << " xd\n";
}
//cout << a2 << " " << b2 << " a2b2\n";
// forall(it,edges_comp_in[b]) cout << it << " in\n";
// forall(it,edges_comp_out[b]) cout << it << " out\n";
if(edges_comp_out[a].find(b2) != edges_comp_out[a].end() && edges_comp_in[a].find(b2) != edges_comp_in[a].end())
{
list_to_union.pb({a2,b2});
}
if(edges_comp_out[b].find(a2) != edges_comp_out[b].end() && edges_comp_in[b].find(a2) != edges_comp_in[b].end())
{
list_to_union.pb({a2,b2});
}
try_union();
cout << cur_ans << "\n";
}
}
