func_code_string: #include <bits/stdc++.h>   using namespace std;   vector<pair<long long, long long>> calced;   long long x_m(long long m, long long mod) {     for (pair<long long, long long> a : calced) {       if (a.first == m) return a.second;     }     if (m == 1) return 1 % mod;     if (m == 2) return 3 % mod;     for (long long i = 1; i < m; i *= 2) {       if (i * 2 > m) {         long long pw = x_m(i, mod);         long long pw2 = x_m(i - 1, mod);         long long val = (pw + (m - i) * (pw - pw2)) % mod;         if (val < 0) val += mod;         calced.insert(calced.begin(), make_pair(m, val));         return val;       }       if (i * 2 == m) {         long long val = (2 * (x_m(m - 1, mod)) + 1) % mod;         if (val < 0) val += mod;         calced.insert(calced.begin(), make_pair(m, val));         return val;       }     }   }   int main() {     ios::sync_with_stdio(false);     cin.tie(nullptr);     int n;     cin >> n;     for (int i = 0; i < n; i++) {       calced.clear();       long long d, m;       cin >> d >> m;       cout << x_m(d, m) << endl;     }   }   