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Submission #488884

# Submission time Handle Problem Language Result Execution time Memory
488884 2021-11-20T18:07:00 Z SlavicG Stove (JOI18_stove) C++17
100 / 100
 21 ms 2256 KB 
#include "bits/stdc++.h"
using namespace std;
 
#define ll long long
 
#define       forn(i,n)              for(int i=0;i<n;i++)
#define          all(v)              v.begin(), v.end()
#define         rall(v)              v.rbegin(),v.rend()
 
#define            pb                push_back
#define          sz(a)               (int)a.size()

void solve()
{ 
    int n, k;
    cin >> n >> k;
    --k;
    vector<int> a(n);
    for(int i = 0;i < n; ++i){
        cin >> a[i];
    }
    int ans = n;

    vector<int> v;
    for(int i = 1;i < n; ++i){
        v.pb(a[i] - (a[i - 1] + 1));
        ans += a[i] - (a[i - 1] + 1);
    }

    sort(rall(v));
    for(int i = 0;i < min(k, sz(v));++i){
        ans -= v[i];
    }

    cout << ans << "\n";
}   
 
int32_t main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int t = 1;
    //cin >> t;
    while(t--)
    {
        solve();
    }
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 332 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 19 ms 2256 KB Output is correct
17 Correct 17 ms 2244 KB Output is correct
18 Correct 18 ms 2256 KB Output is correct
19 Correct 21 ms 2256 KB Output is correct
20 Correct 17 ms 2236 KB Output is correct
21 Correct 16 ms 2248 KB Output is correct
22 Correct 21 ms 2240 KB Output is correct
23 Correct 19 ms 2256 KB Output is correct
24 Correct 18 ms 2244 KB Output is correct