#include <bits/stdc++.h>
using namespace std;
constexpr int M = 100005;
int tab[M];
bool czy(int a, int b){ return b<a; }
int main(){
cin.tie(0)->sync_with_stdio(0);
int n, k;
cin>>n>>k;
tab[0] = 0;
for(int i=1; i<=n; i++) cin>>tab[i];
vector<int> przerwy;
for(int i=n; i>=1; i--){
przerwy.push_back(tab[i]-tab[i-1]-1);
}
sort(przerwy.begin(), przerwy.end(), czy);
int ile = 0;
for(int i=1; i<=k-1; i++) ile+=przerwy[i-1];
cout<<tab[n] - ile<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |