Submission #434751

#	Time	Username	Problem	Language	Result	Execution time	Memory
434751		sikamax2019	Stove (JOI18_stove)	C++14	100 / 100	28 ms	2340 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define   IOS ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define   mp make_pair
#define   pb push_back
#define   ll long long
#define   ld long double
#define   debug(x)  cout << '[' << #x << " is: " << x << "] " << endl;
#define   rsor(v)   sort(v.rbegin() , v.rend());
#define   rev(v)    reverse(v.begin() , v.end());
#define   sz(x)     (int)(x).size()
#define   all(x)    x.begin(), x.end()
#define  _cout(v)  for(auto f : v ) cout << f << " " ;
#define  _cin(v)   for(auto &it : v)cin >> it ;
#define  _for(v)   for(int i=0;i<(v);i++)
#define  vi vector<int>
#define  fs first
#define  sc second

const int mod =1e9+7;
int32_t main() {
    IOS;
    int n,k;
    cin>>n>>k;
    vector<int>a(n);
    for(auto &I:a)cin>>I;
    sort(all(a));
    vi v;
    for(int i=1;i<n;i++){
        v.pb(a[i]-a[i-1]-1);
    }
    sort(all(v));
    int ans=n;
    for(int i=0;i<n-k;i++){
        ans+=v[i];
    }
    cout<<ans;
}

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