oj.uz

Submission #1118262

# Submission time Handle Problem Language Result Execution time Memory
1118262 2024-11-25T07:19:08 Z tsengang Stove (JOI18_stove) C++17
100 / 100
 22 ms 3056 KB 
#include <bits/stdc++.h>
#define ll long long
#define ff first
#define ss second
#define all(x) x.begin(), x.end()
#define pb push_back
#define ertunt return
#define vodka void
using namespace std;
int main() {
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    ll n,k;
    cin >> n >> k;
    ll a[n];
    for(ll i = 0; i < n; i++)cin >> a[i];
    ll b[n-1];
    ll ans = 0;
    for(ll i = 0; i < n-1; i++){
        b[i] = a[i+1] - a[i];
        ans+=b[i];
    }
    sort(b,b+n-1);
    reverse(b,b+n-1);
    ans++;
    k--;
    ll j = 0;
    while(k--){
        ans-=b[j];
        ans++;
        j++;
    }
    cout << ans;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 504 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 504 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 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 352 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 504 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 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 352 KB Output is correct
16 Correct 14 ms 3056 KB Output is correct
17 Correct 16 ms 2768 KB Output is correct
18 Correct 15 ms 2900 KB Output is correct
19 Correct 22 ms 2908 KB Output is correct
20 Correct 21 ms 2996 KB Output is correct
21 Correct 15 ms 2996 KB Output is correct
22 Correct 16 ms 2908 KB Output is correct
23 Correct 15 ms 2908 KB Output is correct
24 Correct 16 ms 2908 KB Output is correct