Submission #898776

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
898776	2024-01-05T05:50:09 Z	Samot19	Rice Hub (IOI11_ricehub)	C++14	100 / 100	11 ms	2664 KB

ricehub

#include <iostream>
#include <cmath>

typedef long long ll;

using namespace std;

bool solve(ll m, ll r, int x[], ll b) {

    ll xd = 0;

    for(int i=0; i<m; i++) {
        xd+=abs(x[m/2]-x[i]);
    }

    //cout << "inicio" << m << " " << xd << endl;

    if(xd <= b) {
        return true;
    }

    for(ll i = 1; i <= r-m; i++) {
        xd-=(x[m/2+i-1]-x[i-1]);
        xd+=(x[m-1+i]-x[m/2+i]);
        xd+=(x[m/2+i]-x[m/2+i-1])*((m+1)%2);

        //cout << m << " " << xd << endl;

        if(xd <= b) return true;
    }

    return false;
}

ll besthub(int r, int l, int x[], long long b) {

    ll u = 0;
    ll m;
    ll v = r;

    while(u < v) {
        m = ceil((u+v)/2.0);

        if(solve(m, r, x, b)) {
            u = m;
        }
        else {
            v = m-1;
        }
    }


    return u;

}

Subtask #1

17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct

Subtask #2

25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	600 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	344 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	600 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	344 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	1 ms	344 KB	Output is correct

Subtask #3

26.0 / 26.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 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	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	376 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	600 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct

Subtask #4

32.0 / 32.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	348 KB	Output is correct
2	Correct	2 ms	348 KB	Output is correct
3	Correct	11 ms	2652 KB	Output is correct
4	Correct	10 ms	2652 KB	Output is correct
5	Correct	5 ms	2652 KB	Output is correct
6	Correct	5 ms	2632 KB	Output is correct
7	Correct	9 ms	2664 KB	Output is correct
8	Correct	9 ms	2652 KB	Output is correct
9	Correct	4 ms	2500 KB	Output is correct
10	Correct	4 ms	2652 KB	Output is correct
11	Correct	10 ms	2652 KB	Output is correct
12	Correct	10 ms	2652 KB	Output is correct
13	Correct	5 ms	2652 KB	Output is correct
14	Correct	5 ms	2652 KB	Output is correct
15	Correct	7 ms	2652 KB	Output is correct
16	Correct	8 ms	2652 KB	Output is correct
17	Correct	9 ms	2652 KB	Output is correct
18	Correct	9 ms	2652 KB	Output is correct
19	Correct	9 ms	2652 KB	Output is correct
20	Correct	9 ms	2652 KB	Output is correct