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Submission #379191

# Submission time Handle Problem Language Result Execution time Memory
379191 2021-03-17T13:26:34 Z penguinhacker Stove (JOI18_stove) C++14
100 / 100
 25 ms 2156 KB 
// source: https://oj.uz/problem/view/JOI18_stove
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ar array

int n, k, a[100000], b[100000];

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> k;
	for (int i = 0; i < n; ++i)
		cin >> a[i];
	for (int i = 0; i + 1 < n; ++i)
		b[i] = a[i + 1] - a[i];
	sort(b, b + n - 1);
	int ans = k + accumulate(b, b + n - k, 0);
	cout << ans;
	return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 404 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 404 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 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 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 2 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 404 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 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 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 2 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 20 ms 2028 KB Output is correct
17 Correct 20 ms 2028 KB Output is correct
18 Correct 20 ms 2028 KB Output is correct
19 Correct 20 ms 2028 KB Output is correct
20 Correct 20 ms 2156 KB Output is correct
21 Correct 25 ms 2028 KB Output is correct
22 Correct 23 ms 2156 KB Output is correct
23 Correct 20 ms 2028 KB Output is correct
24 Correct 20 ms 2028 KB Output is correct