oj.uz

Submission #848446

# Submission time Handle Problem Language Result Execution time Memory
848446 2023-09-12T16:21:40 Z Perl32 Stove (JOI18_stove) C++14
100 / 100
 19 ms 2976 KB 
/**
 *    author:  Perl32
 *    created: 07.09.2023 21:10:21
**/

#ifdef LOCAL
#  define _GLIBCXX_DEBUG
#endif
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#define ff first
#define ss second
#define szof(x) (ll) x.size()
#define all(x) x.begin(), x.end()
#ifndef LOCAL
#  define cerr __get_ce__
#endif

using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
typedef unsigned long long ull;

using namespace __gnu_pbds;
template<typename K, typename V> using normal_unordered_map = gp_hash_table<K, V>;
template<typename T> using normal_queue = priority_queue<T, vector<T>, greater<T>>;
template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename K, typename V> using ordered_map = tree<K, V, less<K>, rb_tree_tag, tree_order_statistics_node_update>;

template<typename T> bool ckmin(T &a, const T &b) { return b < a ? a = b, 1 : 0; }
template<typename T> bool ckmax(T &a, const T &b) { return a < b ? a = b, 1 : 0; }

const ll INF = (ll) 1e9 + 1e3;
const ll INFL = (ll) 1e18 + 1e9;
#ifdef LOCAL
    mt19937 tw(9450189);
#else
    mt19937 tw(chrono::high_resolution_clock::now().time_since_epoch().count());
#endif
uniform_int_distribution<ll> ll_distr;
ll rnd(ll a, ll b) { return ll_distr(tw) % (b - a + 1) + a; }

signed main() {
#ifdef LOCAL
    freopen("inp.txt", "r", stdin);
    freopen("out.txt", "w", stdout);
    freopen("err.txt", "w", stderr);
    auto start_time = clock();
    cerr << setprecision(3) << fixed;
#endif
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int n, k;
    cin >> n >> k;
    vector<int> a(n);
    for (int i = 0; i < n; ++i) {
        cin >> a[i];
    }
    vector<ll> d;
    for (int i = 1; i < n; ++i) {
        d.emplace_back(a[i] - a[i - 1] - 1);
    }
    sort(all(d), [&](const ll l, const ll r) {
        return l > r;
    });
    ll ans = a[n - 1] - a[0] + 1;
    for (int i = 0; i < k - 1; ++i) {
        ans -= d[i];
    }
    cout << ans;

#ifdef LOCAL
    auto end_time = clock();
    cerr << "Execution time: " << (end_time - start_time) * (ll) 1e3 / CLOCKS_PER_SEC << " ms\n";
#endif
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 356 KB Output is correct
4 Correct 0 ms 600 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 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 464 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 356 KB Output is correct
4 Correct 0 ms 600 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 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 464 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 472 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 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 356 KB Output is correct
4 Correct 0 ms 600 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 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 464 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 472 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 2780 KB Output is correct
17 Correct 19 ms 2780 KB Output is correct
18 Correct 17 ms 2780 KB Output is correct
19 Correct 15 ms 2892 KB Output is correct
20 Correct 15 ms 2780 KB Output is correct
21 Correct 14 ms 2780 KB Output is correct
22 Correct 15 ms 2976 KB Output is correct
23 Correct 18 ms 2764 KB Output is correct
24 Correct 18 ms 2780 KB Output is correct