Submission #867401

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
867401	2023-10-28T10:35:06 Z	cheat_when_I_was_young	Stove (JOI18_stove)	C++17	100 / 100	16 ms	2152 KB

stove

#include "bits/stdc++.h"
using namespace std;
void solve();
bool multitest();
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    clock_t TIME = clock();
    int TEST = 1;
    if (multitest()) cin >> TEST;
    while (TEST--) solve();
    cerr << "\nUsed: " << clock() - TIME << " ms\n\n";
}

bool multitest() {
    return 0;
}

const int NM = 1e5 + 5;

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

void solve() {
    cin >> n >> k;
    for (int i = 1; i <= n; ++i) cin >> a[i];

    for (int i = 1; i < n; ++i) b[i] = a[i+1] - a[i] - 1;
    sort(b+1, b+n);

    long long ans = n;

    for (int i = 1; i <= n-k; ++i) ans += b[i];

    cout << ans;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	472 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	472 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	472 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	14 ms	2136 KB	Output is correct
17	Correct	14 ms	2140 KB	Output is correct
18	Correct	14 ms	2152 KB	Output is correct
19	Correct	14 ms	2136 KB	Output is correct
20	Correct	14 ms	2140 KB	Output is correct
21	Correct	14 ms	2044 KB	Output is correct
22	Correct	14 ms	2140 KB	Output is correct
23	Correct	14 ms	1988 KB	Output is correct
24	Correct	16 ms	2140 KB	Output is correct