답안 #556491

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
556491	2022-05-03T08:57:15 Z	Dan4Life	쌀 창고 (IOI11_ricehub)	C++17	100 / 100	29 ms	1480 KB

ricehub

#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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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