Submission #622961

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
622961	2022-08-04 21:59:41	izanbf	Examination (JOI19_examination)	C++14	20 / 100	2044 ms	21908 KiB

examination

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#include <bits/stdc++.h>
using namespace std;
#define D(x) cerr << #x << " = " << x << ", "
struct Point {
  int x, y, z;
};
struct Query {
  int a, b, c, id;
};
const int B = 300;
struct FenwickTree {
    vector<int> bit;  // binary indexed tree
    int n;
    FenwickTree(int n_) {
        this->n = n_;
        bit.assign(n, 0);
    }
    int sum(int r) {
        int ret = 0;
        for (; r >= 0; r = (r & (r + 1)) - 1)
            ret += bit[r];
        return ret;
    }
 
 
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• Subtask 2: 20 / 20
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