Submission #433625

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
433625	2021-06-20 08:43:19	arayi	Comparing Plants (IOI20_plants)	C++17	27 / 100	1103 ms	17852 KiB

plants

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#include "plants.h"
#include <vector>
#include <iostream>
#define ad push_back
using namespace std;
const int N = 1e6 + 30;
int n, k;
int a[N];
int t1[4*N], flg1[4*N];
void push1(int nd)
{
  flg1[nd*2]+=flg1[nd];
  flg1[nd*2+1]+=flg1[nd];
  t1[nd]+=flg1[nd];
  flg1[nd] = 0;
}
void upd1(int l, int r, int v, int nl = 0, int nr = n - 1, int nd = 1)
{
  push1(nd);
  if(l > nr || r < nl) return;
  if(l == nl && r == nr)
  {
    flg1[nd] += v;
    push1(nd);
    return;
  }
  int md = (nl + nr)/2;
  upd1(l,min(md, r), v, nl, md, nd*2);
  upd1(max(md + 1, l), r, v, md + 1, nr, nd*2+1);
 
 
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