Submission #1028567

#	Time	Username	Problem	Language	Result	Execution time	Memory
1028567		Nichkul	Stove (JOI18_stove)	C++14	100 / 100	16 ms	2208 KiB

stove

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

int a[100050];
int b[100050];
int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    int n,k;
    cin>>n>>k;
    for(int i=0;i<n;i++) cin>>a[i];
    int x=a[n-1]-a[0]+1;
    for(int i=0;i<n-1;i++) b[i]=a[i+1]-(a[i]+1);
    sort(b,b+n-1);
    for(int i=n-2;i>=n-k;i--) x-=b[i];
    cout<<x;
    return 0;
}

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