func_code_string: #include <bits/stdc++.h>   using namespace std;   const int maxn = 1e5 + 10;   int N, M;   vector<int> g[maxn];   long long out[maxn], in[maxn];   int main() {     cin >> N >> M;     for (int i = 1; i <= N; ++i) {       g[i].clear();       out[i] = in[i] = 0;     }     for (int i = 1; i <= M; ++i) {       int a, b;       cin >> a >> b;       int x = max(a, b), y = min(a, b);       g[y].push_back(x);       ++out[x];       ++in[y];     }     long long ret = 0;     for (int i = 1; i <= N; ++i) {       ret += out[i] * in[i];     }     int Q;     cin >> Q;     cout << ret << endl;     for (int q = 1; q <= Q; ++q) {       int x;       cin >> x;       ret -= out[x] * in[x];       for (int i : g[x]) {         ret -= out[i] * in[i];         --out[i];         ++in[i];         g[i].push_back(x);         ret += out[i] * in[i];         ++out[x];         --in[x];       }       ret += out[x] * in[x];       g[x].clear();       cout << ret << endl;     }     return 0;   }   