func_code_string: #include <bits/stdc++.h>   using namespace std;   inline void prnt(bool ok) { cout << (ok ?  YES  :  NO ); }   const int ppr = 257;   const long long INF = 2e18;   const int inf = 2e9;   const int mod = 1e9 + 7;   const int N = 3e6 + 123;   const long double pi = 3.141592653589793238462643;   const int dx[] = {1, 0, -1, 0};   const int dy[] = {0, 1, 0, -1};   long long n, m, a[N], b[N], q, cur;   vector<long long> g[N];   int main() {     ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);     cin >> n >> m;     while (m--) {       long long x, y;       cin >> x >> y;       if (x < y) swap(x, y);       g[y].push_back(x);       a[x]++;       b[y]++;     }     for (long long i = 1; i <= n; i++) cur += a[i] * b[i];     cin >> q;     cout << cur <<   n ;     while (q--) {       long long x;       cin >> x;       cur -= a[x] * b[x];       a[x] += g[x].size();       b[x] = 0;       for (auto to : g[x]) {         cur -= a[to] * b[to];         b[to]++;         a[to]--;         cur += a[to] * b[to];         g[to].push_back(x);       }       g[x].clear();       cout << cur <<   n ;     }     return 0;   }   