func_code_string: #include <bits/stdc++.h>   using namespace std;   using ll = long long;   vector<vector<int>> g;   vector<int> deg;   ll ans;   int n, m;   void add_edge(int x, int y) {     if (x > y) {       int t = x;       x = y;       y = t;     }     g[x].push_back(y);     deg[x]++;     deg[y]++;   }   void init() {     scanf( %d %d , &n, &m);     deg.resize(n, 0);     g.resize(n, vector<int>());     ans = 0;     for (int i = 0; i < m; i++) {       int x, y;       scanf( %d%d , &x, &y);       x--;       y--;       add_edge(x, y);     }     ans = 0;     for (int i = 0; i < n; i++)       ans += (ll)g[i].size() * (ll)(deg[i] - g[i].size());   }   void work() {     int Q;     cout << ans << endl;     scanf( %d , &Q);     for (int qi = 0; qi < Q; qi++) {       int x;       scanf( %d , &x);       x--;       ans -= (ll)g[x].size() * (ll)(deg[x] - g[x].size());       ans += 0;       for (int y : g[x]) {         ll y_size = g[y].size();         ans -= (ll)y_size * (ll)(deg[y] - y_size);         g[y].push_back(x);         y_size++;         ans += (ll)y_size * (ll)(deg[y] - y_size);       }       g[x].clear();       printf( %lld n , ans);     }   }   int main() {     init();     work();     return 0;   }   