Submission #810799

#	Time	Username	Problem	Language	Result	Execution time	Memory
810799		nemethm	Stove (JOI18_stove)	C++17	100 / 100	41 ms	3140 KiB

stove

#include <bits/stdc++.h>

using namespace std;
using ll = long long int;

const ll mod = 1e9 + 7;

int main(){
    int n, k;
    cin >> n >> k;
    vector<ll> temp(n), v;
    for(auto& i : temp){
        cin >> i;
    }
    for(int i = 1; i < n; ++i){
        v.push_back(temp[i] - temp[i - 1] - 1);
    }
    sort(begin(v), end(v));
    ll sol = n;
    for(int i = 0; i < n - k; ++i){
        sol += v[i];
    }
    cout << sol << endl;
    return 0;
}

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