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Submission #807115

# Submission time Handle Problem Language Result Execution time Memory
807115 2023-08-04T13:31:28 Z annabeth9680 Stove (JOI18_stove) C++17
100 / 100
 42 ms 2252 KB 
#include <bits/stdc++.h>
#define ll long long
using namespace std;

int main()
{
    int N,K; cin >> N >> K;
    vector<ll> arr(N);
    for(int i = 0;i<N;++i) cin >> arr[i];
    vector<ll> diff; ll ans = 0;
    for(int i = 0;i<N-1;++i){
        diff.push_back(arr[i+1]-arr[i]-1);
    }
    K--; ans = arr[N-1]-arr[0]+1;
    //cout << ans << "\n";
    sort(diff.begin(),diff.end()); int i = diff.size()-1;
    while(K > 0 && i >= 0){
        ans -= diff[i];
        K--; i--;
    }
    cout << ans << "\n";
    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 224 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 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 224 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 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 340 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 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 224 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 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 340 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 35 ms 2236 KB Output is correct
17 Correct 35 ms 2232 KB Output is correct
18 Correct 34 ms 2232 KB Output is correct
19 Correct 35 ms 2224 KB Output is correct
20 Correct 35 ms 2252 KB Output is correct
21 Correct 42 ms 2236 KB Output is correct
22 Correct 36 ms 2232 KB Output is correct
23 Correct 37 ms 2232 KB Output is correct
24 Correct 38 ms 2228 KB Output is correct