Submission #684236

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
684236	2023-01-20 18:08:33	izanbf	Examination (JOI19_examination)	C++14	100 / 100	1761 ms	62096 KiB

examination

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#include <bits/stdc++.h>
using namespace std;
 
struct Point {
  int x, y, z;
};
 
struct Query {
  int a, b, c, id;
};
 
const int B = 850;
const int MAXSZ = 6e5+9;
 
int bit[MAXSZ]; // binary/fenwick indexed tree
int sz; // bit size
int bit_sum(int r) {
  int sum = 0;
  for (++r; r > 0; r -= r&-r)
    sum += bit[r];
  return sum;
}
 
int bit_sum(int l, int r) {
  return bit_sum(r) - bit_sum(l-1);
}
 
void bit_add(int r, int delta) {
  for (++r; r <= sz; r += r&-r)
 
 
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