func_code_string: #include <bits/stdc++.h>   using namespace std;   using std::ios;   constexpr int MOD = 1e9 + 7;   constexpr int mod = 998244353;   template <typename T>   T power(T a, T b) {     T r = 1;     while (b) {       if (b & 1) r *= a;       b /= 2;       a *= a;     }     return r;   }   int d[100005];   int main() {     ios::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     ;     int tt = 1;     while (tt--) {       int n;       cin >> n;       vector<int> b(n), d(n);       map<int, int> ans;       for (int i = 0; i < n; i++) {         cin >> b[i] >> d[i];         ans[b[i]]++;         ans[d[i]]--;       }       int mx = 0, id = 0;       int sum = 0;       for (auto i : ans) {         i.second += sum;         sum = i.second;         if (i.second > mx) {           mx = i.second;           id = i.first;         }       }       cout << id <<     << mx;     }   }   