func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     int arr[n];     long long int w[n];     long long int h[n];     for (int i = 0; i < n; i++) {       cin >> w[i];       cin >> h[i];     }     arr[0] = max(w[0], h[0]);     for (int i = 1; i < n; i++) {       if (max(w[i], h[i]) > arr[i - 1]) {         arr[i] = min(w[i], h[i]);       } else {         arr[i] = max(w[i], h[i]);       }     }     for (int i = 1; i < n; i++) {       if (arr[i] > arr[i - 1]) {         cout <<  NO ;         return 0;       }     }     cout <<  YES ;     return 0;   }   