func_code_string: #include <bits/stdc++.h>   static const int MAXN = 50004;   static const int MAXE = 100004 * 2;   static const int MAXL = 20;   static const int MAXT = 1000005;   int n, e;   int head[MAXN], dest[MAXE], next[MAXE];   int l[MAXN], t[MAXN][MAXL];   int T = 0;   int p[MAXN];   int conf[MAXN], team[MAXN];   int team_conf[MAXT];   inline void add_edge(int u, int v) {     static int w = 0;     dest[w] = v;     next[w] = head[u];     head[u] = w++;   }   int main() {     scanf( %d%d , &n, &e);     for (int i = 0; i < n; ++i) head[i] = -1;     int u, v;     for (int i = 0; i < e; ++i) {       scanf( %d%d , &u, &v);       --u, --v;       add_edge(u, v);       add_edge(v, u);     }     for (int i = 0; i < n; ++i) {       scanf( %d , &l[i]);       for (int j = 0; j < l[i]; ++j) {         scanf( %d , &t[i][j]);         --t[i][j];         T = std::max(T, t[i][j]);       }     }     ++T;     srand(87665544);     for (int i = 0; i < n; ++i) p[i] = i;     for (int attempts = 0;; ++attempts) {       if (attempts % 16 == 0) {         std::random_shuffle(p, p + n);         std::fill(conf, conf + n, -1);         int ct[2];         for (int i = 0; i < n; ++i) {           ct[0] = ct[1] = 0;           for (int w = head[p[i]]; w != -1; w = next[w]) {             if (conf[dest[w]] != -1) ++ct[conf[dest[w]]];           }           conf[p[i]] = (ct[0] > ct[1] ? 1 : 0);         }       }       for (int i = 0; i < T; ++i) team_conf[i] = rand() % 2;       bool valid = true;       for (int i = 0; i < n; ++i) {         team[i] = -1;         for (int j = 0; j < l[i]; ++j)           if (conf[i] == team_conf[t[i][j]]) {             team[i] = t[i][j];             break;           }         if (team[i] == -1) {           valid = false;           break;         }       }       if (!valid) continue;       for (int i = 0; i < n; ++i)         printf( %d%c , team[i] + 1, i == n - 1 ?   n  :    );       for (int i = 0; i < T; ++i)         printf( %d%c , team_conf[i] + 1, i == T - 1 ?   n  :    );       break;     }     return 0;   }   