func_code_string: #include <bits/stdc++.h>   using namespace std;   struct vals {     bool vd;     char val[1010];     bool cur;     int idx[2];     string nome, op;   } s[5020];   bool valdef(bool k, int vv, int curidx) {     if (s[curidx].idx[vv] == -1) return k;     return s[s[curidx].idx[vv]].cur;   }   bool value(string op, bool k, int curidx) {     if (op ==  XOR ) {       return valdef(k, 0, curidx) ^ valdef(k, 1, curidx);     } else if (op ==  OR ) {       return valdef(k, 0, curidx) | valdef(k, 1, curidx);     } else if (op ==  AND ) {       return valdef(k, 0, curidx) & valdef(k, 1, curidx);     }   }   int main() {     int n, m;     char c;     char aux1[12], aux2[1010], aux3[5], aux4[12];     map<string, int> mpi;     cin >> n >> m;     for (int i = 0; i < (n); ++i) {       scanf( %s := %s%c , aux1, aux2, &c);       mpi[string(aux1)] = i;       if (c ==    ) {         scanf( %s %s , aux3, aux4);         if (string(aux2) !=  ? )           s[i].idx[0] = mpi[string(aux2)];         else           s[i].idx[0] = -1;         s[i].op = string(aux3);         if (string(aux4) !=  ? )           s[i].idx[1] = mpi[string(aux4)];         else           s[i].idx[1] = -1;         s[i].vd = false;       } else if (c ==   n  or c ==   r ) {         strcpy(s[i].val, aux2);         s[i].vd = true;       } else         cout <<  erro  << endl;     }     string sauxmax =   ;     string sauxmin =   ;     for (int i = 0; i < (m); ++i) {       vector<int> vsoma(2, 0);       for (int k = 0; k < (2); ++k) {         for (int j = 0; j < (n); ++j) {           bool baux;           if (s[j].vd) {             baux = s[j].val[i] -  0 ;             s[j].cur = baux;           } else {             baux = value(s[j].op, k, j);             s[j].cur = baux;           }           vsoma[k] += baux;         }       }       if (vsoma[1] > vsoma[0])         sauxmax +=  1 , sauxmin +=  0 ;       else if (vsoma[1] == vsoma[0])         sauxmax +=  0 , sauxmin +=  0 ;       else if (vsoma[1] < vsoma[0])         sauxmax +=  0 , sauxmin +=  1 ;     }     cout << sauxmin << endl << sauxmax << endl;   }   