Submission #572270

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
572270	2022-06-04 07:30:22	SSRS	Weighting stones (IZhO11_stones)	C++14	100 / 100	227 ms	3732 KiB

stones

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#include <bits/stdc++.h>
using namespace std;
const int INF = 1000000;
struct lazy_segment_tree{
  int N;
  vector<int> mn, mx, lazy;
  lazy_segment_tree(int N2){
    N = 1;
    while (N < N2){
      N *= 2;
    }
    mn = vector<int>(N * 2 - 1, INF);
    mx = vector<int>(N * 2 - 1, -INF);
    for (int i = 0; i < N2; i++){
      mn[N - 1 + i] = 0;
      mx[N - 1 + i] = 0;
    }
    for (int i = N - 2; i >= 0; i--){
      mn[i] = min(mn[i * 2 + 1], mn[i * 2 + 2]);
      mx[i] = max(mx[i * 2 + 1], mx[i * 2 + 2]);
    }
    lazy = vector<int>(N * 2 - 1, 0);
  }
  void eval(int i){
    if (i < N - 1){
      lazy[i * 2 + 1] += lazy[i];
      lazy[i * 2 + 2] += lazy[i];
    }
    mn[i] += lazy[i];
    mx[i] += lazy[i];
 
 
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• Subtask 1: 100 / 100