Submission #1160690

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1160690	2025-03-02 20:43:43	hyakup	Rectangles (IOI19_rect)	C++20	0 / 100	1 ms	584 KiB

rect

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#include "rect.h"
#include <bits/stdc++.h>
using namespace std;
const int inf = 5000;
class Segment_Tree{
  struct Node{
    int l, r, u, d; Node( int l = -inf, int r = inf, int u = -inf, int d = inf ) : l(l), r(r), u(u), d(d) {}
    Node operator + ( Node n ){
      return Node( max( l, n.l ), min( r, n.r ), max( u, n.u ), min( d, n.d ) );
    }
  };
  vector<Node> seg;
  int n;
  void update( int pos, int ini, int fim, int id, Node novo ){
    if( ini > id || id > fim ) return;
    if( ini == fim ){ seg[pos] = novo; return; }
    int l = 2*pos, r = 2*pos + 1, mid = ( ini + fim )/2;
    update( l, ini, mid, id, novo ); update( r, mid + 1, fim, id, novo );
    seg[pos] = seg[l] + seg[r];
  }
  Node query( int pos, int ini, int fim, int ki, int kf ){
    if( ki > fim || ini > kf ) return seg[0];
    if( ki <= ini && fim <= kf ) return seg[pos];
    int l = 2*pos, r = 2*pos + 1, mid = ( ini + fim )/2;
    return query( l, ini, mid, ki, kf ) + query( r, mid + 1, fim, ki, kf );
 
 
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• Subtask 1: 0 / 8
• Subtask 2: 0 / 7
• Subtask 3: 0 / 12
• Subtask 4: 0 / 22
• Subtask 5: 0 / 10
• Subtask 6: 0 / 13
• Subtask 7: 0 / 28