Submission #237033

#	Time	Username	Problem	Language	Result	Execution time	Memory
237033		uacoder123	Stove (JOI18_stove)	C++14	100 / 100	28 ms	2200 KiB

stove

 #include <bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define FOR(i,a,b) for (auto i = (a); i <= (b); ++i)
#define NFOR(i,a,b) for(auto i = (a); i >= (b); --i)
#define all(x) (x).begin(), (x).end()
#define sz(x) int(x.size())
#define mp(i,a) make_pair(i,a)
#define pb(a) push_back(a)
#define bit(x,b) (x&(1LL<<b))

typedef long long int lli;
typedef pair <lli,lli> ii;
typedef pair <ii,lli> iii;
typedef vector <lli> vi;

int main()
{
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  lli test;
  test=1;
  for(;test>0;--test)
  {
    lli n,k;
    cin>>n>>k;
    int t[n];
    for(int i=0;i<n;++i)
      cin>>t[i];
    sort(t,t+n);
    int d[n-1];
    for(int i=0;i<n-1;++i)
      d[i]=t[i+1]-t[i]-1;
    sort(d,d+n-1);
    lli ans=n,x=0;
    while(k!=n)
    {
      ans+=d[x];
      x++;
      k++;
    }
    cout<<ans<<endl;
  }
  return(0);
}

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