#include<bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
typedef long long ll;
typedef pair<ll,ll> pll;
typedef pair<ll,int> pli;
typedef pair<int,ll> pil;
typedef pair<int,int> pii;
const ll INFLL=1e18+7;
const int INF=1e9+7;
#define pb push_back
const int MAXN=1e5+7;
int arr[MAXN];
int main()
{
ios_base::sync_with_stdio(0);
int n,k; cin>>n>>k;
for(int i=1;i<=n;++i) cin>>arr[i];
int total=arr[n]-arr[1]+1;
vector<int> segments;
for(int i=1;i<n;++i){
segments.pb(arr[i+1]-arr[i]-1);
}
sort(segments.begin(),segments.end());
reverse(segments.begin(),segments.end());
for(int i=0;i<k-1;++i) total-=segments[i];
cout<<total<<"\n";
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
324 KB |
Output is correct |
| 4 |
Correct |
0 ms |
324 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
324 KB |
Output is correct |
| 4 |
Correct |
0 ms |
324 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
336 KB |
Output is correct |
| 13 |
Correct |
1 ms |
344 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
324 KB |
Output is correct |
| 4 |
Correct |
0 ms |
324 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
336 KB |
Output is correct |
| 13 |
Correct |
1 ms |
344 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
23 ms |
2296 KB |
Output is correct |
| 17 |
Correct |
20 ms |
2264 KB |
Output is correct |
| 18 |
Correct |
18 ms |
2264 KB |
Output is correct |
| 19 |
Correct |
17 ms |
2264 KB |
Output is correct |
| 20 |
Correct |
18 ms |
2248 KB |
Output is correct |
| 21 |
Correct |
18 ms |
2260 KB |
Output is correct |
| 22 |
Correct |
18 ms |
2284 KB |
Output is correct |
| 23 |
Correct |
17 ms |
2272 KB |
Output is correct |
| 24 |
Correct |
17 ms |
2224 KB |
Output is correct |
