oj.uz

Submission #237071

# Submission time Handle Problem Language Result Execution time Memory
237071 2020-06-04T12:05:06 Z nicolaalexandra Rice Hub (IOI11_ricehub) C++14
100 / 100
 24 ms 2944 KB 
#include <bits/stdc++.h>
#include "ricehub.h"
#define DIM 200010
using namespace std;

long long sp[DIM];
int v[DIM];

long long get_sum (int x, int y){
    if (x > y)
        return 0;

    return sp[y] - sp[x-1];
}

int verif (int val, int n, long long b){

    for (int i=1;i<=n-val+1;i++){
        int st = i, dr = i + val-1;
        int mid = (st + dr)>>1; /// aici fixez locatia

        long long dist = 1LL * (mid-st) * v[mid] - get_sum (st,mid-1);
        dist += get_sum (mid+1,dr) - 1LL * (dr - mid) * v[mid];

        if (dist <= b)
            return 1;

    }
    return 0;

}

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

    for (int i=0;i<n;i++){
        v[i+1] = x[i];
        sp[i+1] = sp[i] + v[i+1];
    }

    int st = 1, dr = n, sol = 1;
    while (st <= dr){
        int mid = (st+dr)>>1;
        if (verif(mid,n,b)){
            sol = mid;
            st = mid+1;
        } else dr = mid-1;
    }

    return sol;
}

Subtask #1
17.0 / 17.0

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

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 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 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 4 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 5 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 4 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 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 5 ms 384 KB Output is correct
2 Correct 4 ms 384 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 5 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 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 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 512 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 512 KB Output is correct
27 Correct 5 ms 512 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 768 KB Output is correct
2 Correct 8 ms 768 KB Output is correct
3 Correct 22 ms 2944 KB Output is correct
4 Correct 21 ms 2944 KB Output is correct
5 Correct 13 ms 1408 KB Output is correct
6 Correct 13 ms 1408 KB Output is correct
7 Correct 19 ms 2688 KB Output is correct
8 Correct 19 ms 2688 KB Output is correct
9 Correct 12 ms 1408 KB Output is correct
10 Correct 14 ms 1408 KB Output is correct
11 Correct 24 ms 2944 KB Output is correct
12 Correct 23 ms 2936 KB Output is correct
13 Correct 14 ms 1536 KB Output is correct
14 Correct 14 ms 1536 KB Output is correct
15 Correct 18 ms 2304 KB Output is correct
16 Correct 19 ms 2304 KB Output is correct
17 Correct 21 ms 2688 KB Output is correct
18 Correct 22 ms 2688 KB Output is correct
19 Correct 23 ms 2944 KB Output is correct
20 Correct 22 ms 2816 KB Output is correct