Submission #1241942

#	Time	Username	Problem	Language	Result	Execution time	Memory
1241942		tavtdaz	Stove (JOI18_stove)	C++20	0 / 100	4 ms	8004 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define ll long long
int main () {
  ll n,t[1000001],k,kq=0;
  cin>>n>>k;
  for(int i=1;i<=n;i++) cin>>t[i];
  sort(t+1,t+n+1);
  vector<ll> gap;
  for(int i=1;i<=n;i++) {
    gap.push_back(t[i]-t[i+1]-1);
  }
  ll s=t[n]+1-t[1];
  sort(gap.begin(),gap.end(),greater<ll>());
  ll skip=min(k-1,(ll)gap.size());
  for(int i=0;i<skip;i++) {
    s-=gap[i];
  }
  cout<<s;
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50