Submission #959648

#	Time	Username	Problem	Language	Result	Execution time	Memory
959648		alo_54	Stove (JOI18_stove)	C++14	100 / 100	18 ms	2524 KiB

stove

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

const int MAXN = 1e5 + 5;
int n, k; 

int times[MAXN];

void opt()
{
    ios_base :: sync_with_stdio(false);
    cin.tie(nullptr);
}

int main()
{
    opt();

    cin>>n>>k;


    for (int i = 0; i < n; i++)
    {
        cin>>times[i];
    }

    int resp = n;

    vector <int> difs;

    for (int i = 1; i < n; i++)
    {
        difs.push_back(times[i] - times[i-1] -1);
    }
    
    sort(difs.begin(), difs.end());
    

    for (int i = 0; i < n - k; i++)
    {
        resp += difs[i];
    }
    
    cout<<resp<<"\n";
    
}

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