#include <bits/stdc++.h>
#define startt ios_base::sync_with_stdio(false);cin.tie(0);
typedef unsigned long long ull;
typedef long long ll;
using namespace std;
#define FOR(n) for(int i=0;i<n;i++)
#define vt vector
#define vint vector<int>
#define all(v) v.begin(), v.end()
#define sz(a) (int)a.size()
#define MOD 1000000007
#define MOD2 998244353
#define MX 1000000000
#define NMAX 100005
#define MXL 1000000000000000000
#define PI 3.14159265
#define pb push_back
#define pf push_front
#define sc second
#define endl '\n'
#define fr firstx
#define int ll
#define ld long double
int ceildiv(int one, int two) {
if (one % two == 0) {return one / two;}
else {return one / two + 1;}
} int power(int n, int pow, int m) {
if (pow == 0) return 1;
if (pow % 2 == 0) {
ll x = power(n, pow / 2, m);
return (x * x) % m;
}
else return (power(n, pow - 1, m) * n) % m;
} int gcd(int a, int b) {
if (!b)return a;
return gcd(b, a % b);
} int factorial(int n, int mod) {
if (n > 1)
return (n * factorial(n - 1, mod)) % mod;
else
return 1;
} int lcm(int a, int b) {
return (a * b) / gcd(a, b);
} vector<int> read(int n) {vector<int> a; for (int i = 0; i < n; i++) { int x; cin >> x; a.pb(x);} return a;}
void solve() {
int n, k;
cin >> n >> k;
vint a = read(n);
vint difs;
for (int i = 0; i < n - 1; i++)
{
difs.pb(a[i + 1] - a[i] - 1);
}
sort(all(difs));
int now = n;
for (int i = 0; i < n - k; i++)
{
now += difs[i];
}
cout << now << endl;
}
int32_t main() {
//#ifndef ONLINE_JUDGE
// freopen("input.txt", "r", stdin);
// freopen("output.txt", "w", stdout);
//#endif
solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
0 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
236 KB |
Output is correct |
7 |
Correct |
0 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
0 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
236 KB |
Output is correct |
7 |
Correct |
0 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
2 ms |
620 KB |
Output is correct |
11 |
Correct |
2 ms |
492 KB |
Output is correct |
12 |
Correct |
2 ms |
512 KB |
Output is correct |
13 |
Correct |
2 ms |
492 KB |
Output is correct |
14 |
Correct |
2 ms |
492 KB |
Output is correct |
15 |
Correct |
2 ms |
492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
0 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
236 KB |
Output is correct |
7 |
Correct |
0 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
2 ms |
620 KB |
Output is correct |
11 |
Correct |
2 ms |
492 KB |
Output is correct |
12 |
Correct |
2 ms |
512 KB |
Output is correct |
13 |
Correct |
2 ms |
492 KB |
Output is correct |
14 |
Correct |
2 ms |
492 KB |
Output is correct |
15 |
Correct |
2 ms |
492 KB |
Output is correct |
16 |
Correct |
51 ms |
3736 KB |
Output is correct |
17 |
Correct |
51 ms |
3672 KB |
Output is correct |
18 |
Correct |
51 ms |
3668 KB |
Output is correct |
19 |
Correct |
51 ms |
3672 KB |
Output is correct |
20 |
Correct |
50 ms |
3692 KB |
Output is correct |
21 |
Correct |
51 ms |
3672 KB |
Output is correct |
22 |
Correct |
50 ms |
3672 KB |
Output is correct |
23 |
Correct |
51 ms |
3672 KB |
Output is correct |
24 |
Correct |
54 ms |
3852 KB |
Output is correct |