oj.uz

Submission #556491

# Submission time Handle Problem Language Result Execution time Memory
556491 2022-05-03T08:57:15 Z Dan4Life Rice Hub (IOI11_ricehub) C++17
100 / 100
 29 ms 1480 KB 
#include "ricehub.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long

ll pref[100010];

ll sum(int i, int j){ return pref[j+1]-pref[i]; }

int besthub(int n, int m, int a[], ll b)
{
    pref[0] = 0; int ans = 0;
    for(int i = 0; i < n; i++)
        pref[i+1] = pref[i]+a[i];
    for(int i = 0; i < n; i++){
        int l = i, r = n-1;
        while(l<r){
            int mid = (l+r+1)/2; int j = mid;
            int med = (i+mid)/2; ll mn = (ll)4e18;
            for(int x = med-1; x <= med+1; x++){
                if(x<i or x>j) continue;
                ll sum1 = (ll)a[x]*(x-i+1)-sum(i,x);
                ll sum2 = sum(x+1,j)-(ll)a[x]*(j-x);
                mn = min(mn, sum1+sum2);
            }
            if(mn<=b) l=mid;
            else r = mid-1;
        }
        ans = max(ans, l-i+1);
    }
    return ans;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 2 ms 340 KB Output is correct
27 Correct 2 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 468 KB Output is correct
2 Correct 5 ms 468 KB Output is correct
3 Correct 26 ms 1456 KB Output is correct
4 Correct 29 ms 1460 KB Output is correct
5 Correct 12 ms 852 KB Output is correct
6 Correct 12 ms 852 KB Output is correct
7 Correct 24 ms 1436 KB Output is correct
8 Correct 24 ms 1476 KB Output is correct
9 Correct 16 ms 888 KB Output is correct
10 Correct 12 ms 904 KB Output is correct
11 Correct 26 ms 1480 KB Output is correct
12 Correct 28 ms 1364 KB Output is correct
13 Correct 13 ms 852 KB Output is correct
14 Correct 16 ms 852 KB Output is correct
15 Correct 22 ms 1068 KB Output is correct
16 Correct 19 ms 1184 KB Output is correct
17 Correct 22 ms 1236 KB Output is correct
18 Correct 24 ms 1356 KB Output is correct
19 Correct 23 ms 1420 KB Output is correct
20 Correct 24 ms 1372 KB Output is correct