Submission #233494

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
233494	2020-05-20T17:50:54 Z	nicolaalexandra	Stove (JOI18_stove)	C++14	100 / 100	76 ms	2168 KB

stove

#include <bits/stdc++.h>
#define DIM 100010
#define INF 2000000000000000000LL

using namespace std;
int v[DIM],dif[DIM];
int n,k,i;
int main (){

    //ifstream cin ("date.in");
    //ofstream cout ("date.out");

    cin>>n>>k;
    for (i=1;i<=n;i++)
        cin>>v[i];

    if (k == 1){
        cout<<v[n]+1-v[1];
        return 0;
    }

    for (i=1;i<n;i++)
        dif[i] = v[i] - v[i+1];

    sort (dif+1,dif+n);

    long long sol = INF, sum = 0;
    for (i=1;i<k;i++){
        sum += dif[i];
        sol = min (sol,sum + v[n] - v[1] + i + 1);
    }

    cout<<sol;

    return 0;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	4 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	4 ms	256 KB	Output is correct
7	Correct	4 ms	384 KB	Output is correct
8	Correct	4 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	4 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	4 ms	256 KB	Output is correct
7	Correct	4 ms	384 KB	Output is correct
8	Correct	4 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	7 ms	384 KB	Output is correct
11	Correct	7 ms	384 KB	Output is correct
12	Correct	6 ms	384 KB	Output is correct
13	Correct	7 ms	384 KB	Output is correct
14	Correct	7 ms	384 KB	Output is correct
15	Correct	6 ms	384 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	4 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	4 ms	256 KB	Output is correct
7	Correct	4 ms	384 KB	Output is correct
8	Correct	4 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	7 ms	384 KB	Output is correct
11	Correct	7 ms	384 KB	Output is correct
12	Correct	6 ms	384 KB	Output is correct
13	Correct	7 ms	384 KB	Output is correct
14	Correct	7 ms	384 KB	Output is correct
15	Correct	6 ms	384 KB	Output is correct
16	Correct	76 ms	2040 KB	Output is correct
17	Correct	72 ms	2040 KB	Output is correct
18	Correct	71 ms	2052 KB	Output is correct
19	Correct	76 ms	2168 KB	Output is correct
20	Correct	73 ms	2040 KB	Output is correct
21	Correct	76 ms	2040 KB	Output is correct
22	Correct	73 ms	2168 KB	Output is correct
23	Correct	71 ms	2040 KB	Output is correct
24	Correct	72 ms	2040 KB	Output is correct