Submission #978240

#	Time	Username	Problem	Language	Result	Execution time	Memory
978240		wateronenn	Stove (JOI18_stove)	C++17	0 / 100	1 ms	348 KiB

stove

#include<bits/stdc++.h>
using namespace std;
const int N = 1e5+9;
int arr[N];
int main(){
    cin.tie(0)->sync_with_stdio(false);
    int n,k;
    cin>>n>>k;
    for(int i=1;i<=n;i++){
        cin>>arr[i];
    }
    if(k==1){
        cout<<(*max_element(arr+1,arr+n+1) - *min_element(arr+1,arr+n+1)+1);
        return 0;
    }
    sort(arr+1,arr+n+1);
    int mk = 1;
    for(int i=1;i<=n;i++){
        if(arr[i] - arr[i-1]>1) mk++;
    }
    if(mk>k) cout<<n+mk-k;
    else cout<<n;
    return 0;
}
/*
3 1
1
3
6
*/

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