Submission #235565

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
235565	2020-05-28T14:38:51 Z	Toirov_Sadi	Rice Hub (IOI11_ricehub)	C++17	100 / 100	26 ms	2560 KB

ricehub

#include<bits/stdc++.h>
#include "ricehub.h"

using namespace std;

int besthub(int n, int L, int X[], long long B){

    vector<long long> p(n, 0);
    for(int i = 0; i < n; i ++){
        if(i > 0) p[i] = p[i - 1];
        p[i] += X[i];
    }
    int l = 0, r = n;
    while(l < r){
        int m = ((l + r) / 2) + 1;

        /// can m ?
        bool can = false;
        for(int i = 0; i + m < n; i ++){
            int l1 = i, r1 = i + m;
            int mid = (l1 + r1) / 2;
            int x = (m + 2) / 2;
            int y = (m + 1) - ((m + 2) / 2);
            long long cur = x * 1ll * X[mid] - (p[mid] - (l1 == 0 ? 0 : p[l1 - 1]));
            cur += (p[r1] - p[mid]) - y * 1ll * X[mid];
            if(cur <= B) can = true;
        }

        if(can == true){
            l = m;
        }
        else{
            r = m - 1;
        }
    }
    return l + 1;
}

Subtask #1

17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	128 KB	Output is correct
4	Correct	5 ms	256 KB	Output is correct
5	Correct	5 ms	256 KB	Output is correct

Subtask #2

25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	256 KB	Output is correct
5	Correct	5 ms	256 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	256 KB	Output is correct
8	Correct	5 ms	256 KB	Output is correct
9	Correct	5 ms	256 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	256 KB	Output is correct
12	Correct	5 ms	256 KB	Output is correct
13	Correct	4 ms	256 KB	Output is correct
14	Correct	4 ms	256 KB	Output is correct
15	Correct	5 ms	256 KB	Output is correct
16	Correct	5 ms	256 KB	Output is correct
17	Correct	4 ms	384 KB	Output is correct
18	Correct	5 ms	256 KB	Output is correct
19	Correct	5 ms	256 KB	Output is correct
20	Correct	4 ms	256 KB	Output is correct
21	Correct	5 ms	256 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	5 ms	384 KB	Output is correct
28	Correct	5 ms	384 KB	Output is correct

Subtask #3

26.0 / 26.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	256 KB	Output is correct
2	Correct	5 ms	416 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	4 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	256 KB	Output is correct
16	Correct	4 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	6 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	6 ms	384 KB	Output is correct
28	Correct	5 ms	384 KB	Output is correct

Subtask #4

32.0 / 32.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	512 KB	Output is correct
2	Correct	8 ms	768 KB	Output is correct
3	Correct	22 ms	2560 KB	Output is correct
4	Correct	20 ms	2560 KB	Output is correct
5	Correct	14 ms	1280 KB	Output is correct
6	Correct	14 ms	1280 KB	Output is correct
7	Correct	26 ms	2304 KB	Output is correct
8	Correct	20 ms	2304 KB	Output is correct
9	Correct	15 ms	1280 KB	Output is correct
10	Correct	13 ms	1280 KB	Output is correct
11	Correct	22 ms	2560 KB	Output is correct
12	Correct	22 ms	2560 KB	Output is correct
13	Correct	15 ms	1280 KB	Output is correct
14	Correct	15 ms	1280 KB	Output is correct
15	Correct	19 ms	2048 KB	Output is correct
16	Correct	20 ms	2048 KB	Output is correct
17	Correct	20 ms	2432 KB	Output is correct
18	Correct	19 ms	2304 KB	Output is correct
19	Correct	21 ms	2432 KB	Output is correct
20	Correct	21 ms	2432 KB	Output is correct