Submission #646851

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
646851	2022-09-30 21:44:19	chenwz	Abracadabra (CEOI22_abracadabra)	C++11	100 / 100	608 ms	34240 KiB

Main

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#include <bits/stdc++.h>
#define sz(v) ((int)(v).size())
using namespace std;
typedef long long lint;
typedef pair<int, int> pi;
using VI = vector<int>;
const int NN = 2e5 + 4;
struct BIT {
  int C[NN];
  void add(int x, int v) {
    while (x < NN) C[x] += v, x += x & -x;
  }
  int sum(int x) {
    int ret = 0;
    while (x) ret += C[x], x -= x & -x;
    return ret;
  }
  int kth(int x) {
    int pos = 0;
    for (int i = 17; i >= 0; i--)
      if (pos + (1 << i) < NN && C[pos + (1 << i)] < x)
        pos += (1 << i), x -= C[pos];
    return pos + 1;
  }
};
BIT S;
int main() {
  ios::sync_with_stdio(false), cin.tie(0);
  int n, q;
  cin >> n >> q;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 40 / 40
• Subtask 3: 25 / 25
• Subtask 4: 25 / 25