Submission #200862

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
200862	2020-02-08 10:28:41	EntityIT	Cake 3 (JOI19_cake3)	C++14	100 / 100	709 ms	10476 KiB

cake3

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#include<bits/stdc++.h>
using namespace std;
#define all(x) (x).begin(), (x).end()
#define sz(x) ( (int)(x).size() )
using LL = long long;
template<class T>
inline bool asMn(T &a, const T &b) { return a > b ? a = b, true : false; }
template<class T>
inline bool asMx(T &a, const T &b) { return a < b ? a = b, true : false; }
const LL infLL = 1e18;
mt19937 rng( (uint32_t)chrono::steady_clock::now().time_since_epoch().count() );
template<class T>
struct Bit {
  vector<T> a;
  Bit(int nNode = 0) { a.assign(nNode, T() ); }
  void reset(int nNode = 0) { a.assign(nNode, T() ); }
  void upd(int pos, int val) {
    for (int i = pos; i < sz(a); i |= i + 1) a[i] += val;
  }
  T get(int pos) {
    T ret = 0;
    for (int i = pos; i >= 0; i = (i & (i + 1) ) - 1) ret += a[i];
    return ret;
  }
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 19 / 19
• Subtask 3: 76 / 76