func_code_string: #include <bits/stdc++.h>   using namespace std;   bool check(pair<int, int> a, pair<int, int> b) {     if (a.first > b.first)       return true;     else if (a.first == b.first)       return a.second < b.second;     else       return false;   }   int main() {     int n, k;     cin >> n >> k;     pair<int, int> a[n];     map<pair<int, int>, int> mp;     for (int i = 0; i < n; i++) {       int p, t;       cin >> p >> t;       a[i] = make_pair(p, t);       mp[a[i]]++;     }     sort(a, a + n, check);     cout << mp[a[k - 1]] <<   n ;     return 0;   }   