Submission #300056

#	Time	Username	Problem	Language	Result	Execution time	Memory
300056		MasterTaster	Stove (JOI18_stove)	C++14	100 / 100	21 ms	1920 KiB

stove

#include <bits/stdc++.h>

#define pb push_back
#define ll long long
#define pii pair<int, int>
#define xx first
#define yy second

using namespace std;

int n, k;
ll ress;
vector<int> razl;

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);

    cin>>n>>k;
    int p=-1;
    for (int i=0; i<n; i++)
    {
        int t; cin>>t;
        if (i) razl.pb(t-p-1);
        p=t;
    }
    sort(razl.begin(), razl.end());

    ress=n;
    for (int i=0; i<n-k; i++) ress+=razl[i];

    cout<<ress;
}

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