func_code_string: #include <bits/stdc++.h>   using namespace std;   const int INF = 0x3f3f3f3f;   const long long LINF = 0x3f3f3f3f3f3f3f3fLL;   const double PI = acos(-1.0);   const double EPS = 1e-8;   const int MOD = 998244353;   template <typename T>   void cmin(T &x, T y) {     if (y < x) x = y;   }   template <typename T>   void cmax(T &x, T y) {     if (y > x) x = y;   }   long long qpow(long long x, long long n, long long mod = MOD) {     long long res = 1;     while (n) {       if (n & 1) res = res * x % mod;       x = x * x % mod;       n >>= 1;     }     return res;   }   namespace Solver {   void InitOnce() {}   int n, m, k;   int u[200005];   int v[200005];   int deg[200005];   vector<pair<int, int> > G[200005];   void Read() {     int res = scanf( %d%d%d , &n, &m, &k);     if (res == -1) exit(0);     for (int i = 1; i <= n; ++i) G[i].clear();     for (int i = 1; i <= m; ++i) {       scanf( %d%d , &u[i], &v[i]);       G[u[i]].emplace_back(v[i], i);       G[v[i]].emplace_back(u[i], i);     }     for (int i = 1; i <= n; ++i) deg[i] = G[i].size();   }   bool vis[200005];   int ans[200005];   bool inQ[200005];   queue<int> Q;   void delEdge(int u, int v, int id) {     if (vis[id]) return;     vis[id] = 1;     --deg[u];     --deg[v];     if (inQ[v] == 0 && deg[v] < k) {       Q.push(v);       inQ[v] = 1;     }   }   void delEdge2(int u, int v, int id) {     if (vis[id]) return;     vis[id] = 1;     --deg[u];     --deg[v];     if (inQ[u] == 0 && deg[u] < k) {       Q.push(u);       inQ[u] = 1;     }     if (inQ[v] == 0 && deg[v] < k) {       Q.push(v);       inQ[v] = 1;     }   }   void Solve() {     memset(vis, 0, sizeof(vis));     memset(ans, 0, sizeof(ans));     memset(inQ, 0, sizeof(inQ));     for (int i = 1; i <= n; ++i) {       if (deg[i] < k) {         Q.push(i);         inQ[i] = 1;       }     }     int cur = n;     while (!Q.empty()) {       int u = Q.front();       Q.pop();       --cur;       for (pair<int, int> &p : G[u]) {         int v = p.first, id = p.second;         delEdge(u, v, id);       }     }     for (int i = 1; i <= n; ++i) {       if (deg[i]) assert(deg[i] >= k);     }     ans[m] = cur;     for (int i = m - 1; i >= 0; --i) {       int de = i + 1;       delEdge2(u[de], v[de], de);       while (!Q.empty()) {         int u = Q.front();         Q.pop();         --cur;         for (pair<int, int> &p : G[u]) {           int v = p.first, id = p.second;           delEdge(u, v, id);         }       }       ans[i] = cur;     }     for (int i = 1; i <= n; ++i) {       assert(deg[i] == 0);       assert(inQ[i] == 1);     }     for (int i = 1; i <= m; ++i) assert(vis[i] == 1);     for (int i = 1; i <= m; ++i) printf( %d n , ans[i]);     return;   }   }  // namespace Solver   int main() {     Solver::InitOnce();     while (true) {       Solver::Read();       Solver::Solve();     }     return 0;   }   