Submission #245134

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
245134	2020-07-05T14:45:56 Z	A02	Rice Hub (IOI11_ricehub)	C++11	49 / 100	22 ms	768 KB

ricehub

#include "ricehub.h"
#include <vector>
#include <stdio.h>
#include <stdlib.h>
#include <string>
#include <iostream>
#include <fstream>

using namespace std;
int besthub(int R, int L, int X[], long long B)
{

    long long left_best = 0;
    long long right_best = 0;
    long long current_cost = 0;
    long long current_field = 0;
    long long current_max = 1;

    while (current_cost <= B){

        if (right_best == R - 1){
            break;
        }

        if (X[right_best + 1] - X[0] + current_cost > B){
            break;
        }

        right_best++;
        current_cost += X[right_best] - X[0];
        current_max++;
    }

    long long best = current_max;

    while (current_field != R - 1){

        long long distance_moved = X[current_field + 1] - X[current_field];

        long long to_right = right_best - current_field;
        long long to_left =  current_field - left_best + 1;

        current_cost += to_left * distance_moved;
        current_cost -= to_right * distance_moved;

        if (current_field == right_best){
            right_best++;
            current_max++;
        }
        current_field++;

        while (current_cost > B){
            current_cost -= (X[current_field] - X[left_best]);
            current_max--;
            left_best++;
        }


        while (right_best != R - 1){

            if (current_cost + X[right_best + 1] - X[current_field] <= B){
                current_cost += (X[right_best + 1] - X[current_field]);
                right_best++;
                current_max++;
            } else {
                if (X[current_field] - X[left_best] > X[right_best] - X[current_field]){
                    current_cost -= (X[current_field] - X[left_best]);
                    current_cost += (X[right_best + 1] - X[current_field]);
                    right_best++;
                    left_best++;
                }  else {
                break;
            }
            }

        }

        best = max(current_max, best);
    }

    //cout << X[0] << ' ' << X[1] << ' ' << X[2] << endl;
    //cout << best << ' ' << current_cost << ' ' << right_best << ' ' << B <<  endl;
    return best;
}

Subtask #1

17.0 / 17.0

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

Subtask #2

0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	256 KB	Output is correct
2	Correct	4 ms	256 KB	Output is correct
3	Correct	5 ms	512 KB	Output is correct
4	Correct	4 ms	256 KB	Output is correct
5	Correct	4 ms	256 KB	Output is correct
6	Correct	5 ms	256 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	256 KB	Output is correct
9	Correct	4 ms	384 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	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	4 ms	384 KB	Output is correct
16	Correct	4 ms	384 KB	Output is correct
17	Correct	4 ms	256 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	4 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	4 ms	256 KB	Output is correct
24	Correct	5 ms	256 KB	Output is correct
25	Correct	5 ms	256 KB	Output is correct
26	Correct	5 ms	256 KB	Output is correct
27	Incorrect	4 ms	256 KB	Output isn't correct
28	Halted	0 ms	0 KB	-

Subtask #3

0 / 26.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	256 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	4 ms	256 KB	Output is correct
6	Correct	5 ms	256 KB	Output is correct
7	Correct	5 ms	384 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	256 KB	Output is correct
11	Correct	5 ms	256 KB	Output is correct
12	Correct	5 ms	256 KB	Output is correct
13	Correct	5 ms	256 KB	Output is correct
14	Correct	5 ms	256 KB	Output is correct
15	Correct	5 ms	256 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Incorrect	5 ms	256 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #4

32.0 / 32.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	384 KB	Output is correct
2	Correct	7 ms	384 KB	Output is correct
3	Correct	19 ms	768 KB	Output is correct
4	Correct	19 ms	768 KB	Output is correct
5	Correct	11 ms	512 KB	Output is correct
6	Correct	10 ms	512 KB	Output is correct
7	Correct	17 ms	768 KB	Output is correct
8	Correct	17 ms	768 KB	Output is correct
9	Correct	10 ms	512 KB	Output is correct
10	Correct	10 ms	512 KB	Output is correct
11	Correct	22 ms	768 KB	Output is correct
12	Correct	22 ms	768 KB	Output is correct
13	Correct	11 ms	640 KB	Output is correct
14	Correct	12 ms	512 KB	Output is correct
15	Correct	18 ms	640 KB	Output is correct
16	Correct	17 ms	640 KB	Output is correct
17	Correct	19 ms	640 KB	Output is correct
18	Correct	20 ms	640 KB	Output is correct
19	Correct	21 ms	768 KB	Output is correct
20	Correct	21 ms	640 KB	Output is correct