Submission #889236

#	Time	Username	Problem	Language	Result	Execution time	Memory
889236		alexander707070	Stove (JOI18_stove)	C++14	100 / 100	43 ms	2332 KiB

stove

#include<bits/stdc++.h>
#define MAXN 100007
using namespace std;

int n,k;
int t[MAXN],ans;
vector<int> diff;

int main(){

    cin>>n>>k;
    for(int i=1;i<=n;i++){
        cin>>t[i];
    }
    ans=t[n]+1-t[1];

    for(int i=2;i<=n;i++){
        diff.push_back(t[i]-(t[i-1]+1));
    }

    sort(diff.begin(),diff.end());
    reverse(diff.begin(),diff.end());

    for(int i=0;i<k-1;i++){
        ans-=diff[i];
    }

    cout<<ans<<"\n";

    return 0;
}

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