Submission #1281310

#	Time	Username	Problem	Language	Result	Execution time	Memory
1281310		xorreverse	Stove (JOI18_stove)	C++20	100 / 100	37 ms	1432 KiB

stove

#include<bits/stdc++.h>
using namespace std;
int n, k, t[100005];
int main(){
    cin >> n >> k;
    vector<int> dd;
    for (int i = 1; i <= n; i ++){
        cin >> t[i];
    }
    int res = t[n] + 1 - t[1];
  //  cout << res << endl;
    for (int i = 2; i <= n; i ++){
        dd.push_back(t[i] - t[i - 1] - 1);
    }
    k --;
    sort(dd.begin(), dd.end());
    while (k -- && !dd.empty()){
        res -= dd.back();
        dd.pop_back();
    }
    // t[n] - t[1]
    cout << res;
}

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