func_code_string: #include <bits/stdc++.h>   using namespace std;   signed main() {     long long n, m;     cin >> n >> m;     string s[n], v[n], a[n], o[n], b[n];     bool t[n];     string buf;     for (long long i = 0; i < n; i++) {       cin >> s[i];       cin >> buf;       cin >> buf;       t[i] = isdigit(buf[0]);       if (t[i])         v[i] = buf;       else {         a[i] = buf;         cin >> o[i] >> b[i];       }     }     map<string, long long> ms;     for (long long i = 0; i < n; i++) ms[s[i]] = i;     ms[ ? ] = n;     string ans, ans2;     for (long long i = 0; i < m; i++) {       long long tmp[2] = {};       long long res[n + 1];       memset(res, 0, sizeof(res));       for (long long k = 0; k < 2; k++) {         res[n] = k;         for (long long j = 0; j < n; j++) {           if (t[j]) {             res[j] = v[j][i] -  0 ;             continue;           }           long long ba = res[ms[a[j]]], bb = res[ms[b[j]]];           if (o[j] ==  AND ) res[j] = ba & bb;           if (o[j] ==  OR ) res[j] = ba | bb;           if (o[j] ==  XOR ) res[j] = ba ^ bb;         }         for (long long j = 0; j < n; j++) tmp[k] += res[j];       }       if (tmp[0] <= tmp[1])         ans +=  0 ;       else         ans +=  1 ;       if (tmp[0] >= tmp[1])         ans2 +=  0 ;       else         ans2 +=  1 ;     }     cout << ans << endl << ans2 << endl;     return 0;   }   