Submission #1246287

#	Time	Username	Problem	Language	Result	Execution time	Memory
1246287		luka_zecevic	Stove (JOI18_stove)	C++20	100 / 100	13 ms	1476 KiB

stove

#include "bits/stdc++.h"
#define FAST ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define ff first
#define ss second
#define ll long long
using namespace std;

int main()
{
    FAST;
    int n, k; cin >> n >> k;
    vector < int > v(n);
    for(int i = 0; i < n; i++) cin >> v[i];

    vector < int > p;
    for(int i = 1; i < n; i++) p.push_back(v[i] - v[i - 1] - 1);

    sort(begin(p), end(p), greater < int > ());

    int ans = v[n - 1] - v[0] + 1;

    for(int i = 0; i < k - 1; i++) ans -= p[i];

    cout << ans << "\n";
    return 0;
}

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