Submission #412398

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
412398	2021-05-26 20:02:54	aryan12	Sterilizing Spray (JOI15_sterilizing)	C++17	15 / 100	5086 ms	6092 KiB

sterilizing

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#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N = 1e5 + 5;
int seg[N * 4];
int a[N], k;
void Build(int l, int r, int pos) {
  if(l == r) {
    seg[pos] = a[l];
    return;
  }
  int mid = (l + r) >> 1;
  Build(l, mid, pos * 2);
  Build(mid + 1, r, pos * 2 + 1);
  seg[pos] = seg[pos * 2] + seg[pos * 2 + 1];
}
void Update(int l, int r, int pos, int qidx, int qval) {
  if(l == r) {
    seg[pos] = qval;
    return;
  }
  int mid = (l + r) >> 1;
  if(mid >= qidx) {
    Update(l, mid, pos * 2, qidx, qval);
  }
  else {
    Update(mid + 1, r, pos * 2 + 1, qidx, qval);
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 75