func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 200005;   const long long int P = 1000000007;   const double eps = 1e-6;   int val[N];   int deg[N];   vector<int> gr[N];   vector<long long int> mx(N);   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     int n, m;     cin >> n >> m;     long long int ans = 0;     for (int i = 0; i < n; i++) {       cin >> val[i];       ans += val[i];     }     for (int i = 0; i < m; i++) {       int u, v;       cin >> u >> v;       u--;       v--;       gr[u].push_back(v);       gr[v].push_back(u);       deg[u]++, deg[v]++;     }     int start;     cin >> start;     start--;     stack<int> st;     for (int i = 0; i < n; i++)       if (deg[i] == 1 && i != start) st.push(i);     long long int maxall = 0;     while (!st.empty()) {       int now = st.top();       st.pop();       deg[now]--;       ans -= val[now];       for (auto i : gr[now]) {         if (deg[i]) {           deg[i]--;           if (deg[i] == 1 && i != start) st.push(i);           mx[i] = max((long long int)mx[i],                       (long long int)mx[now] + (long long int)val[now]);           maxall = max(maxall, mx[i]);         }       }     }     cout << ans + maxall;     cerr <<   nTime elapsed :   << 1000 * clock() / CLOCKS_PER_SEC <<   ms n ;     return 0;   }   