Submission #1241930

#	Time	Username	Problem	Language	Result	Execution time	Memory
1241930		phannible	Stove (JOI18_stove)	C++20	0 / 100	0 ms	324 KiB

stove

#include<bits/stdc++.h>
#define ll long long
#define endl '\n'
#define maxn 100005
using namespace std;

int a[maxn];
vector<int>v;


signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int n,k;
    cin>>n>>k;

    ll ans=0;

    for(int i=1;i<=n;++i){
        cin>>a[i];

        if(i>1){
            v.push_back(a[i]-a[i-1]-1);
        }
    }

    ans+=a[n]+1-a[1];
    sort(v.rbegin(),v.rend());

    for(int i=1;i<=k-1;++i){
        ans-=v[i];
    }

    cout<<ans;






































}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50