Submission #1342437

#	Time	Username	Problem	Language	Result	Execution time	Memory
1342437		inimad	Stove (JOI18_stove)	C++20	100 / 100	14 ms	1468 KiB

stove

#include<bits/stdc++.h>
using namespace std;

#define LL long long

int main() {
    ios::sync_with_stdio(0), cin.tie(0);
    
    int n, k;
    cin >> n >> k;    
    int a[n];
    vector<int> v;

    for(auto &i : a) cin >> i;

    LL ans = a[n-1] - a[0] + 1;

    for(int i = 1; i < n; i++){
        v.push_back(a[i] - a[i-1] - 1);
    }    

    sort(v.rbegin(), v.rend());

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

    cout << ans;
}

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