Submission #653706

#	Time	Username	Problem	Language	Result	Execution time	Memory
653706		sofija6	Stove (JOI18_stove)	C++14	100 / 100	22 ms	3284 KiB

stove

#include <bits/stdc++.h>
#define ll long long
#define MAXN 100010
using namespace std;
ll t[MAXN];
vector<ll> d;
int main()
{
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    ll n,k,ans;
    cin >> n >> k;
    for (ll i=1;i<=n;i++)
        cin >> t[i];
    ans=t[n]+1-t[1];
    for (ll i=2;i<=n;i++)
        d.push_back(t[i]-t[i-1]-1);
    sort(d.begin(),d.end(),greater<ll>());
    for (ll i=0;i<k-1;i++)
        ans-=d[i];
    cout << ans;
    return 0;
}

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