Submission #637006

#	Time	Username	Problem	Language	Result	Execution time	Memory
637006		bonk	Stove (JOI18_stove)	C++14	100 / 100	20 ms	3260 KiB

stove

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int n, k; cin >> n >> k;
    vector<ll>v(n), diff;
    for(int i = 0; i < n; i++) cin >> v[i];
    for(int i = 1; i < n; i++) diff.push_back(v[i] - v[i - 1] - 1);

    sort(diff.begin(), diff.end());

    ll ans = n;
    for(int i = 0; i < n - k; i++) ans += diff[i];

    cout << ans << '\n';

    return 0;
}

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