func_code_string: #include <bits/stdc++.h>   using namespace std;   int fin[100005];   int main() {     int n;     while (cin >> n) {       int l, r;       int flag = 1;       int temp;       for (int i = 0; i < n; i++) {         cin >> l >> r;         if (i == 0)           fin[0] = l > r ? l : r;         else {           temp = l > r ? l : r;           if (temp <= fin[i - 1])             fin[i] = temp;           else             fin[i] = l < r ? l : r;           if (fin[i] > fin[i - 1]) flag = 0;         }       }       if (!flag) cout <<  NO  << endl;       if (flag) cout <<  YES  << endl;     }   }   