Submission #158047

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
158047	2019-10-14 13:38:14	nvmdava	Street Lamps (APIO19_street_lamps)	C++17	100 / 100	1720 ms	313576 KiB

street_lamps

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ff first
#define ss second
 
#define N 300005
#define INF 0x3f3f3f3f3f3f3f3f
struct Node{
  Node *l = NULL, *r = NULL;
  int val = 0;
  int query(int le, int ri, int x){
    if(le == ri) return val;
    int m = (le + ri) >> 1;
    if(m < x)
      return val + (r == NULL ? 0 : r -> query(m + 1, ri, x));
    return val + (l == NULL ? 0 : l -> query(le, m, x));
  }
  void update(int le, int ri, int R, int v){
    if(ri <= R){
      val += v;
      return;
    }
    int m = (le + ri) >> 1;
    
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 20 / 20