func_code_string: #include <bits/stdc++.h>   using namespace std;   vector<pair<int, int> > score;   map<pair<int, int>, int> freq;   bool compare(const pair<int, int> a, const pair<int, int> b) {     if (a.first == b.first) return a.second < b.second;     return a.first > b.first;   }   void solve() {     int n, k;     cin >> n >> k;     for (int(i) = (0); (i) < (n); ++(i)) {       int x, y;       cin >> x >> y;       pair<int, int> curr = make_pair(x, y);       score.push_back(curr);       ++freq[curr];     }     sort((score).begin(), (score).end(), compare);     cout << freq[score[k - 1]];   }   int main() {     ios::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     ;     int t = 1;     while (t--) {       solve();       cout <<   n ;     }     return 0;   }   