Submission #110886

#	Time	Username	Problem	Language	Result	Execution time	Memory
110886		Leonardo_Paes	Stove (JOI18_stove)	C++11	100 / 100	29 ms	2176 KiB

stove

#include <bits/stdc++.h>

using namespace std;

const int maxn = 1e5+10;

int vet[maxn], diff[maxn];

int main(){

    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);

    int n, k, ans=0;

    cin >> n >> k;

    for(int i=1; i<=n; i++){
        cin >> vet[i];
    }

    for(int i=1; i<n; i++){
        diff[i]=vet[i+1]-vet[i];
    }

    sort(diff+1, diff+n);

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

    cout << ans+k << endl;

    return 0;
}

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