Submission #266843

#	Time	Username	Problem	Language	Result	Execution time	Memory
266843		shinjan	Stove (JOI18_stove)	C++14	100 / 100	42 ms	2424 KiB

stove

#include <iostream>
#include <bits/stdc++.h>
#define maxN 100001
using namespace std;
int t[maxN];
vector <int> resh;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n,k;
    cin>>n>>k;
    k--;
    for(int i=0;i<n;i++)
    {
        cin>>t[i];
    }
    sort(t,t+n);
    long long ans=t[n-1]+1-t[0];
    for(int i=1;i<n;i++)
    {
        resh.push_back(t[i-1]+1-t[i]);
    }
    sort(resh.begin(),resh.end());
    int ind=0;
    while(k--)
    {
        ans+=resh[ind];
        ind++;
    }
    cout<<ans;
    return 0;
}

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