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Submission #826484

# Submission time Handle Problem Language Result Execution time Memory
826484 2023-08-15T15:52:58 Z dijbkr Stove (JOI18_stove) C++14
100 / 100
 19 ms 2316 KB 
#include<bits/stdc++.h>
typedef long long ll;
typedef unsigned long long ull;
using namespace std;

const ll maxn=200005;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int n,k;
    cin >> n >> k;
    int a[n+1];
    for (int i=1; i<=n; i++) {
      cin >> a[i];
    }
    priority_queue<int,vector<int>,greater<int>>pq;
    for (int i=1; i<n; i++) {
      pq.push((a[i+1])-(a[i]+1));
    }
    int cnt=n;
    int ans=n;
    if (k>=cnt) {
      cout << ans;
    } else {
      for (int i=1; i<=cnt-k; i++) {
         if (!pq.empty()) {
            int u=pq.top();
            pq.pop();
            ans+=u;
         }
      }
      cout << ans;
    }
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 316 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 316 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 360 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 336 KB Output is correct
15 Correct 1 ms 340 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 316 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 360 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 336 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 19 ms 2264 KB Output is correct
17 Correct 18 ms 2256 KB Output is correct
18 Correct 18 ms 2264 KB Output is correct
19 Correct 18 ms 2316 KB Output is correct
20 Correct 14 ms 2264 KB Output is correct
21 Correct 12 ms 2316 KB Output is correct
22 Correct 10 ms 2264 KB Output is correct
23 Correct 10 ms 2316 KB Output is correct
24 Correct 10 ms 2264 KB Output is correct