Submission #855798

#	Time	Username	Problem	Language	Result	Execution time	Memory
855798		elotelo966	Stove (JOI18_stove)	C++17	100 / 100	20 ms	3156 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define OYY 1000000005
#define mod 1000000007
#define faster ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define mid (start+end)/2
#define lim 200005

int32_t main(){
    faster
    int n,k;cin>>n>>k;
    int dizi[n];
    priority_queue <int> pq;
    for(int i=0;i<n;i++){
        cin>>dizi[i];
        if(i>0)pq.push(dizi[i]-dizi[i-1]-1);
    }
    k--;
    int cev=dizi[n-1]-dizi[0]+1;
    while(k--){
        cev-=pq.top();
        pq.pop();
        //cout<<cev<<'\n';
    }
    cout<<cev<<'\n';
    return 0;
}

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