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Submission #584691

# Submission time Handle Problem Language Result Execution time Memory
584691 2022-06-27T20:08:13 Z Kanaifu Rice Hub (IOI11_ricehub) C++14
100 / 100
 11 ms 1612 KB 
#include <bits/stdc++.h>
#include "ricehub.h"

using namespace std;

int besthub(int R, int L, int X[], long long B)
{
    long long prefix[100001];
    prefix[0] = X[0];
    if (R == 0)
    {
        return 0;
    }
    for (int i=1; i<R; i++)
    {
        long long add = X[i];
        prefix[i] = prefix[i-1] + add;
    }
    long long cost = 0;
    int leng = 1;
    long long l = 0, r = 1;
    while (r < R)
    {
        long long med = (l+r)/2;
        long long val = X[med];
        cost = 0;
        if (med != l)
        {
            if (l==0)
            {
                cost += (val)*(med-l)- prefix[med-1];
            }
            else
            {
                cost += (val)*(med-l)- (prefix[med-1]-prefix[l-1]);
            }
        }
        if (med != r)
        {
            cost += prefix[r] - prefix[med] - (r-med)*(val);
        }
        if (cost <= B)
        {
            leng = max(leng, (int)(r - l + 1));
            r++;
        }
        else
        {
            l++;
            r++;
        }
    }
    return leng;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 1084 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 1080 KB Output is correct
11 Correct 1 ms 980 KB Output is correct
12 Correct 1 ms 1080 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 1 ms 1076 KB Output is correct
15 Correct 1 ms 980 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 1 ms 980 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 1 ms 980 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 1 ms 980 KB Output is correct
23 Correct 1 ms 1084 KB Output is correct
24 Correct 1 ms 980 KB Output is correct
25 Correct 1 ms 980 KB Output is correct
26 Correct 1 ms 980 KB Output is correct
27 Correct 1 ms 980 KB Output is correct
28 Correct 1 ms 1084 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 1084 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 1108 KB Output is correct
10 Correct 1 ms 980 KB Output is correct
11 Correct 1 ms 980 KB Output is correct
12 Correct 1 ms 1084 KB Output is correct
13 Correct 1 ms 1088 KB Output is correct
14 Correct 1 ms 980 KB Output is correct
15 Correct 1 ms 980 KB Output is correct
16 Correct 1 ms 1080 KB Output is correct
17 Correct 1 ms 980 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 1 ms 980 KB Output is correct
21 Correct 1 ms 1108 KB Output is correct
22 Correct 1 ms 1108 KB Output is correct
23 Correct 1 ms 1108 KB Output is correct
24 Correct 1 ms 1108 KB Output is correct
25 Correct 1 ms 1092 KB Output is correct
26 Correct 1 ms 1108 KB Output is correct
27 Correct 1 ms 1124 KB Output is correct
28 Correct 1 ms 1108 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1108 KB Output is correct
2 Correct 4 ms 1240 KB Output is correct
3 Correct 11 ms 1612 KB Output is correct
4 Correct 11 ms 1536 KB Output is correct
5 Correct 5 ms 1356 KB Output is correct
6 Correct 5 ms 1376 KB Output is correct
7 Correct 10 ms 1600 KB Output is correct
8 Correct 10 ms 1500 KB Output is correct
9 Correct 5 ms 1384 KB Output is correct
10 Correct 5 ms 1344 KB Output is correct
11 Correct 11 ms 1596 KB Output is correct
12 Correct 11 ms 1596 KB Output is correct
13 Correct 5 ms 1364 KB Output is correct
14 Correct 7 ms 1368 KB Output is correct
15 Correct 10 ms 1460 KB Output is correct
16 Correct 11 ms 1476 KB Output is correct
17 Correct 11 ms 1488 KB Output is correct
18 Correct 11 ms 1500 KB Output is correct
19 Correct 10 ms 1568 KB Output is correct
20 Correct 10 ms 1452 KB Output is correct