#ifdef Home
#define _GLIBCXX_DEBUG
#endif // Home
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
main() {
#ifdef Home
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif // Home
ios_base::sync_with_stdio(0);
cin.tie(0);
int n, k, pr, cr, ans;
cin >> n >> k >> pr;
if(n == 1) {
cout << 1;
return 0;
}
vector < int > a(n);
ans = pr;
for(int i = 1; i < n; ++ i) {
cin >> cr;
a[i] = cr - pr;
pr = cr;
}
pr = ans;
ans = cr - ans + 1;
sort(a.rbegin(), a.rend());
for(int i = 0; i < k - 1; ++ i) {
ans -= a[i] - 1;
}
cout << ans;
}
Compilation message
stove.cpp:12:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
12 | main() {
| ^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
316 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
316 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
328 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
316 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
328 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
14 ms |
1552 KB |
Output is correct |
17 |
Correct |
17 ms |
1620 KB |
Output is correct |
18 |
Correct |
14 ms |
1492 KB |
Output is correct |
19 |
Correct |
14 ms |
1588 KB |
Output is correct |
20 |
Correct |
14 ms |
1492 KB |
Output is correct |
21 |
Correct |
14 ms |
1584 KB |
Output is correct |
22 |
Correct |
15 ms |
1588 KB |
Output is correct |
23 |
Correct |
14 ms |
1596 KB |
Output is correct |
24 |
Correct |
17 ms |
1608 KB |
Output is correct |