#include<bits/stdc++.h>
#define endl '\n'
using namespace std;
const int MAXN = 1e5 + 10;
void speed()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
}
int n, k, a[MAXN];
void read()
{
cin >> n >> k;
for (int i = 1; i <= n; ++ i)
cin >> a[i];
}
void solve()
{
vector < int > g;
int ans = a[n] - a[1];
for (int i = 2; i <= n; ++ i)
{
g.push_back(- max(0, a[i] - 1 - a[i-1] - 1));
}
sort(g.begin(), g.end());
int i = 0;
while(i < k)
{
ans += g[i];
i ++;
}
cout << ans << endl;
}
int main()
{
speed();
read();
solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |