func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     scanf( %i , &n);     vector<pair<int, int>> tree(n);     for (int x = 0; x < n; x++) {       scanf( %i%i , &tree[x].first, &tree[x].second);     }     sort(tree.begin(), tree.end());     int current_day = 0;     for (int i = 0; i < n; i++) {       current_day =           (tree[i].second < tree[i].first && tree[i].second >= current_day)               ? tree[i].second               : tree[i].first;     }     printf( %i n , current_day);     return 0;   }   