#include <bits/stdc++.h>
#define FOR(i,s,e) for(int i=(s);i<(int)(e);i++)
#define FOE(i,s,e) for(int i=(s);i<=(int)(e);i++)
#define REP(i,n) FOR(i,0,n)
#define ALL(x) (x).begin(), (x).end()
#define CLR(s) memset(s,0,sizeof(s))
#define PB push_back
#define x first
#define y second
using namespace std;
typedef long long LL;
typedef pair<int,int> pii;
typedef pair<LL, LL> pll;
typedef map<int,int> mii;
typedef vector<int> vi;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int N, K; cin >> N >> K;
vi A(N); REP(i, N) cin >> A[i];
vi D(N - 1); REP(i, N - 1) D[i] = A[i + 1] - A[i];
sort(ALL(D));
LL Ans = accumulate(begin(D), next(begin(D), N - K), K);
cout << Ans << endl;
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 |
256 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 |
376 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 |
256 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 |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
3 ms |
376 KB |
Output is correct |
| 11 |
Correct |
3 ms |
376 KB |
Output is correct |
| 12 |
Correct |
3 ms |
380 KB |
Output is correct |
| 13 |
Correct |
3 ms |
376 KB |
Output is correct |
| 14 |
Correct |
3 ms |
380 KB |
Output is correct |
| 15 |
Correct |
3 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 |
256 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 |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
3 ms |
376 KB |
Output is correct |
| 11 |
Correct |
3 ms |
376 KB |
Output is correct |
| 12 |
Correct |
3 ms |
380 KB |
Output is correct |
| 13 |
Correct |
3 ms |
376 KB |
Output is correct |
| 14 |
Correct |
3 ms |
380 KB |
Output is correct |
| 15 |
Correct |
3 ms |
376 KB |
Output is correct |
| 16 |
Correct |
26 ms |
1144 KB |
Output is correct |
| 17 |
Correct |
25 ms |
1144 KB |
Output is correct |
| 18 |
Correct |
25 ms |
1144 KB |
Output is correct |
| 19 |
Correct |
27 ms |
1184 KB |
Output is correct |
| 20 |
Correct |
25 ms |
1148 KB |
Output is correct |
| 21 |
Correct |
24 ms |
1144 KB |
Output is correct |
| 22 |
Correct |
24 ms |
1144 KB |
Output is correct |
| 23 |
Correct |
24 ms |
1144 KB |
Output is correct |
| 24 |
Correct |
25 ms |
1144 KB |
Output is correct |
