Submission #703618

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
703618	2023-02-27 19:21:52	GusterGoose27	Abracadabra (CEOI22_abracadabra)	C++11	100 / 100	648 ms	40716 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
const int MAXN = 2e5;
const int MAXQ = 1e6;
typedef pair<int, int> pii;
int nxt[MAXN];
int sz[MAXN];
int bit[2*MAXN];
int n_round;
int arr[MAXN];
int inv[MAXN];
int queries[MAXQ];
int ans[MAXQ];
pii sorted[MAXQ];
int n, q;
void upd(int x, int v) {
  for (; x < n_round; x|=(x+1)) bit[x] += v;
}
pii get_pos(int l = 0, int r = n_round, int v = n/2) { // first pos such that including it is greater than v, along with how much v left
  if (r == l+1) return pii(l, v);
  if (bit[(l+r)/2-1] > v) return get_pos(l, (l+r)/2, v);
  return get_pos((l+r)/2, r, v-bit[(l+r)/2-1]);
}
int main() {
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 40 / 40
• Subtask 3: 25 / 25
• Subtask 4: 25 / 25