func_code_string: #include <bits/stdc++.h>   using namespace std;   char _;   int num_rectangles;   pair<pair<int, int>, pair<int, int> > rectangles[135000], pre[135000],       suff[135000];   pair<pair<int, int>, pair<int, int> > intersection(       pair<pair<int, int>, pair<int, int> > first,       pair<pair<int, int>, pair<int, int> > second) {     if (first.first.first == INT_MIN || second.first.first == INT_MIN)       return {{INT_MIN, INT_MIN}, {INT_MIN, INT_MIN}};     int tx = max(first.first.first, second.first.first),         bx = min(first.second.first, second.second.first);     int ty = max(first.first.second, second.first.second),         by = min(first.second.second, second.second.second);     if (bx < tx || by < ty) return {{INT_MIN, INT_MIN}, {INT_MIN, INT_MIN}};     return {{tx, ty}, {bx, by}};   }   int main() {     scanf( %d , &num_rectangles);     for (int i = 0; i < num_rectangles; i++)       scanf(  %d %d %d %d , &rectangles[i].first.first,             &rectangles[i].first.second, &rectangles[i].second.first,             &rectangles[i].second.second);     sort(rectangles, rectangles + num_rectangles);     pre[0] = rectangles[0];     suff[num_rectangles - 1] = rectangles[num_rectangles - 1];     for (int i = 1; i < num_rectangles; i++) {       pre[i] = intersection(pre[i - 1], rectangles[i]);       suff[num_rectangles - i - 1] = intersection(           suff[num_rectangles - i], rectangles[num_rectangles - i - 1]);     }     for (int i = 0; i < num_rectangles; i++) {       if (i == 0) {         if (suff[1].first.first != INT_MIN) {           printf( %d %d n , suff[1].first.first, suff[1].first.second);           return 0;         }       } else if (i == num_rectangles - 1) {         if (pre[num_rectangles - 2].first.first != INT_MIN) {           printf( %d %d n , pre[num_rectangles - 2].first.first,                  pre[num_rectangles - 2].first.second);           return 0;         }       } else {         pair<pair<int, int>, pair<int, int> > first = pre[i - 1],                                               second = suff[i + 1],                                               intersect =                                                   intersection(first, second);         if (intersect.first.first != INT_MIN) {           printf( %d %d n , intersect.first.first, intersect.first.second);           return 0;         }       }     }     if (pre[num_rectangles - 1].first.first != INT_MIN) {       printf( %d %d n , pre[num_rectangles - 1].first.first,              pre[num_rectangles - 1].first.second);       return 0;     }     printf( -1 n );   }   