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Submission #931949

# Submission time Handle Problem Language Result Execution time Memory
931949 2024-02-22T15:54:57 Z hlk28khuong Stove (JOI18_stove) C++17
100 / 100
 18 ms 4700 KB 
#include <bits/stdc++.h>

using namespace std;
#define int long long
#define isz(a) ((int)(a.size()))
const int mxn=1e6+7;
int a[mxn];
vector<int>val;
int n,k;
signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin>>n>>k;
    k--;
    for(int i=1;i<=n;i++)
    {
        cin>>a[i];
        if(i!=1)
            val.push_back(a[i]-a[i-1]-1);
    }
    sort(val.begin(),val.end(),greater<int>());
    int res=a[n]-a[1]+1;
    for(int i=0;i<min(k,isz(val));i++)
    {
        res-=val[i];
    }
    cout<<res;
    return 0;
}

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 344 KB Output is correct
3 Correct 0 ms 344 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 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 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 344 KB Output is correct
3 Correct 0 ms 344 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 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 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 476 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 344 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 344 KB Output is correct
3 Correct 0 ms 344 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 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 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 476 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 344 KB Output is correct
16 Correct 15 ms 4572 KB Output is correct
17 Correct 15 ms 4572 KB Output is correct
18 Correct 15 ms 4700 KB Output is correct
19 Correct 17 ms 4568 KB Output is correct
20 Correct 18 ms 4568 KB Output is correct
21 Correct 15 ms 4572 KB Output is correct
22 Correct 15 ms 4572 KB Output is correct
23 Correct 15 ms 4572 KB Output is correct
24 Correct 15 ms 4700 KB Output is correct