Submission #439149

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
439149	2021-06-29 10:03:31	peijar	Election Campaign (JOI15_election_campaign)	C++17	100 / 100	562 ms	44356 KiB

election_campaign

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#include <bits/stdc++.h>
#define int long long
using namespace std;
template <class T> class Fenwick {
public:
  int lim;
  vector<T> bit;
  Fenwick(int n) : lim(n + 1), bit(lim) {}
  void upd(int pos, T val) {
    for (pos++; pos < lim; pos += pos & -pos)
      bit[pos] += val;
  }
  T sum(int r) { // < r
    T ret = 0;
    for (; r; r -= r & -r)
      ret += bit[r];
    return ret;
  }
  T sum(int l, int r) { // [l, r)
    return sum(r) - sum(l);
  }
};
struct Voyage {
  int u, v, gain;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 30 / 30
• Subtask 5: 10 / 10
• Subtask 6: 40 / 40