Submission #532145

#	Time	Username	Problem	Language	Result	Execution time	Memory
532145		DM1	Stove (JOI18_stove)	C++17	100 / 100	55 ms	2284 KiB

stove

#include <bits/stdc++.h>
#define ll long long int
#define FastCode ios::sync_with_stdio(false); cin.tie(0), cout.tie(0);
using namespace std;
int n,k,a[1000005],ans;
vector <int> v;
int main() {
    // freopen("input.txt", "r", stdin);
    // freopen("output.txt", "w", stdout);
 	cin >> n >> k;
 	for(int i=1;i<=n;i++) cin >> a[i];
 	for(int i=1;i<n;i++) v.push_back(a[i+1]-a[i]-1);
 	sort(v.begin(),v.end());
 	for(int i=0;i<n-k;i++) ans+=v[i];
 	cout << n+ans << "\n";
}

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