#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize ("O3")
#define MOD 1000000007ll
#define EPS 1e-9
typedef long long ll;
typedef long double ld;
typedef pair <ll,ll> pl;
typedef tuple <ll,ll,ll> tl;
ll N, K, T[100005], A;
vector <ll> gaps;
inline void read(ll& v) {
v = 0;
char ch = getchar_unlocked();
while (ch < '0' || ch > '9')
ch = getchar_unlocked();
while (ch >= '0' && ch <= '9') {
v = (v << 3) + (v << 1) + ch - '0';
ch = getchar_unlocked();
}
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
read(N);
read(K);
K = min(N, K);
for (ll i = 1; i <= N; i++) read(T[i]);
A = T[N] - T[1] + 1;
for (ll i = 2; i <= N; i++) gaps.push_back(T[i] - T[i-1] - 1);
sort(gaps.begin(), gaps.end(), greater<ll>());
for (ll i = 0; i < K-1; i++) A -= gaps[i];
cout << A;
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
4 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
4 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
5 ms |
504 KB |
Output is correct |
| 11 |
Correct |
5 ms |
496 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
504 KB |
Output is correct |
| 14 |
Correct |
5 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
376 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
4 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
5 ms |
504 KB |
Output is correct |
| 11 |
Correct |
5 ms |
496 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
504 KB |
Output is correct |
| 14 |
Correct |
5 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
376 KB |
Output is correct |
| 16 |
Correct |
19 ms |
2292 KB |
Output is correct |
| 17 |
Correct |
18 ms |
2292 KB |
Output is correct |
| 18 |
Correct |
18 ms |
2292 KB |
Output is correct |
| 19 |
Correct |
18 ms |
2292 KB |
Output is correct |
| 20 |
Correct |
18 ms |
2292 KB |
Output is correct |
| 21 |
Correct |
19 ms |
2288 KB |
Output is correct |
| 22 |
Correct |
18 ms |
2292 KB |
Output is correct |
| 23 |
Correct |
18 ms |
2292 KB |
Output is correct |
| 24 |
Correct |
18 ms |
2292 KB |
Output is correct |
