Submission #619003

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
619003	2022-08-02 09:00:55	joelau	Road Construction (JOI21_road_construction)	C++14	7 / 100	10070 ms	39116 KiB

road_construction

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#include <bits/stdc++.h>
using namespace std;
long long N,K,ft[250005],ans[250005];
pair<long long,long long> lst[250005];
vector< tuple<long long,long long,long long,long long> > A;
vector<long long> dis;
void update (long long x, long long v) {
  x++;
  while (x <= N) ft[x] += v, x += x & -x;
}
long long query (long long x) {
  x++;
  long long ans = 0;
  while (x) ans += ft[x], x -= x & -x;
  return ans;
}
void dnc (long long l, long long r, long long x, long long y) {
  if (l == r) {
    for (long long i = x; i <= y; ++i) ans[i] = l;
    return;
  }
  long long mid = (l+r)/2;
  A.clear();
  for (long long i = 0; i < N; ++i) {
    long long a = lower_bound(dis.begin(),dis.end(),lst[i].second) - dis.begin();
    long long b = lower_bound(dis.begin(),dis.end(),lst[i].second-mid) - dis.begin();
 
 
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• Subtask 1: 0 / 5
• Subtask 2: 0 / 6
• Subtask 3: 7 / 7
• Subtask 4: 0 / 20
• Subtask 5: 0 / 27
• Subtask 6: 0 / 35