Submission #1049695

#	Time	Username	Problem	Language	Result	Execution time	Memory
1049695		vjudge1	Stove (JOI18_stove)	C++17	100 / 100	26 ms	3104 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define ll long long int
ll t[100001];
int main() {
    ll n,k;
    cin>>n>>k;
    ll ans=n;
    vector<ll> wt;
    for(ll i=0; i<n; i++) {
        cin>>t[i];
        if(i)
            wt.push_back(t[i]-t[i-1]-1);
    }
    if(k<n) {
        sort(wt.begin(),wt.end());
        for(int i=0; i<n-k; i++)
            ans+=wt[i];
    }
    cout<<ans;
}

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