#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define watch(x) cout<<(#x)<<"="<<(x)<<'\n'
#define mset(d,val) memset(d,val,sizeof(d))
#define setp(x) cout<<fixed<<setprecision(x)
#define forn(i,a,b) for(int i=a;i<b;i++)
#define fore(i,a,b) for(int i=a;i<=b;i++)
#define pb push_back
#define F first
#define S second
#define INF 2e14
#define MOD 998244353
#define pqueue priority_queue
#define fbo find_by_order
#define ook order_of_key
typedef long long ll;
typedef pair<ll,ll> ii;
typedef vector<ll> vi;
typedef vector<ii> vii;
typedef tree<ll, null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> pbds;
#define MAXN 100005
int main()
{
ios_base::sync_with_stdio(0); cin.tie(0);
int n,k; cin>>n>>k;
vi gap;
ll arr[MAXN];
forn(i,0,n) cin>>arr[i];
forn(i,0,n-1){
gap.pb(arr[i+1]-arr[i]-1);
}
sort(gap.begin(),gap.end());
ll ans=0;
forn(i,0,n-k){
ans+=gap[i];
}
cout<<n+ans<<'\n';
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
380 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
380 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
3 ms |
504 KB |
Output is correct |
| 11 |
Correct |
3 ms |
504 KB |
Output is correct |
| 12 |
Correct |
3 ms |
504 KB |
Output is correct |
| 13 |
Correct |
3 ms |
504 KB |
Output is correct |
| 14 |
Correct |
3 ms |
504 KB |
Output is correct |
| 15 |
Correct |
3 ms |
504 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
380 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
3 ms |
504 KB |
Output is correct |
| 11 |
Correct |
3 ms |
504 KB |
Output is correct |
| 12 |
Correct |
3 ms |
504 KB |
Output is correct |
| 13 |
Correct |
3 ms |
504 KB |
Output is correct |
| 14 |
Correct |
3 ms |
504 KB |
Output is correct |
| 15 |
Correct |
3 ms |
504 KB |
Output is correct |
| 16 |
Correct |
26 ms |
3188 KB |
Output is correct |
| 17 |
Correct |
26 ms |
3184 KB |
Output is correct |
| 18 |
Correct |
26 ms |
3316 KB |
Output is correct |
| 19 |
Correct |
27 ms |
3292 KB |
Output is correct |
| 20 |
Correct |
27 ms |
3288 KB |
Output is correct |
| 21 |
Correct |
26 ms |
3288 KB |
Output is correct |
| 22 |
Correct |
26 ms |
3188 KB |
Output is correct |
| 23 |
Correct |
26 ms |
3184 KB |
Output is correct |
| 24 |
Correct |
26 ms |
3184 KB |
Output is correct |
