Submission #1354964

#	Time	Username	Problem	Language	Result	Execution time	Memory
1354964		...2	Stove (JOI18_stove)	C++20	0 / 100	0 ms	344 KiB

stove

#include<bits/stdc++.h>
using namespace std;
vector<int> v;
int a[100005];
int main(){
    int n,k;cin>>n>>k;
    for(int i=0;i<n;i++)cin>>a[i];
    v.push_back((a[0]-1));
    v.push_back(1);
    for(int i=1;i<n;i++){
        v.push_back(a[i]-(a[i-1]+1));
        v.push_back(1);
    }
    sort(v.begin(),v.end());
    long long ans=0;
    for(int i=0;i<n*2-k;i++)ans+=v[i];
    cout<<ans;
    return 0;
}

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