func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     bool flag = false;     int n, boro;     cin >> n;     int a[n], b[n];     for (int i = 0; i < n; i++) cin >> a[i] >> b[i];     for (int i = 0; i < 1; i++) {       boro = max(a[i], b[i]);     }     for (int i = 1; i < n; i++) {       if (max(a[i], b[i]) <= boro) {         boro = max(a[i], b[i]);       } else if (min(a[i], b[i]) <= boro) {         boro = min(a[i], b[i]);       } else {         flag = true;         break;       }     }     if (flag == false)       cout <<  YES n ;     else       cout <<  NO n ;     return 0;   }   