답안 #950892

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
950892	2024-03-21T00:33:04 Z	irmuun	쌀 창고 (IOI11_ricehub)	C++17	100 / 100	22 ms	4520 KB

ricehub

#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

int besthub(int R,int L,int X[],ll B){
    ll sum[R+1];
    sum[0]=0;
    for(int i=0;i<R;i++){
        sum[i+1]=sum[i]+X[i];
    }
    int ans=0;
    for(int i=1;i<=R;i++){
        int l=0,r=R;
        while(l<r){
            int mid=(l+r+1)/2;
            if(i-mid<=0||i+mid>R){
                r=mid-1;
                continue;
            }
            ll cost=1ll*X[i-1]*mid-(sum[i-1]-sum[i-mid-1])+(sum[i+mid]-sum[i])-1ll*X[i-1]*mid;
            if(cost<=B){
                l=mid;
            }
            else{
                r=mid-1;
            }
        }
        ans=max(ans,l*2+1);
    }
    for(int i=1;i<R;i++){
        if((ll)X[i]-(ll)X[i-1]>B) continue;
        int l=0,r=R;
        while(l<r){
            int mid=(l+r+1)/2;
            if(i-mid<=0||i+mid+1>R){
                r=mid-1;
                continue;
            }
            ll cost=1ll*X[i-1]*mid-(sum[i-1]-sum[i-mid-1])+(sum[i+mid+1]-sum[i])-1ll*X[i-1]*(mid+1);
            if(cost<=B){
                l=mid;
            }
            else{
                r=mid-1;
            }
        }
        ans=max(ans,l*2+2);
    }
    return ans;
}

Subtask #1

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct

Subtask #2

25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	448 KB	Output is correct
6	Correct	1 ms	504 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	344 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct

Subtask #3

26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 ms	448 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	452 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	604 KB	Output is correct
23	Correct	1 ms	480 KB	Output is correct
24	Correct	1 ms	712 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	344 KB	Output is correct

Subtask #4

32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	604 KB	Output is correct
2	Correct	3 ms	604 KB	Output is correct
3	Correct	20 ms	3440 KB	Output is correct
4	Correct	20 ms	4520 KB	Output is correct
5	Correct	10 ms	3164 KB	Output is correct
6	Correct	8 ms	3164 KB	Output is correct
7	Correct	19 ms	4188 KB	Output is correct
8	Correct	22 ms	4444 KB	Output is correct
9	Correct	7 ms	3160 KB	Output is correct
10	Correct	8 ms	3164 KB	Output is correct
11	Correct	20 ms	4444 KB	Output is correct
12	Correct	20 ms	4468 KB	Output is correct
13	Correct	8 ms	3416 KB	Output is correct
14	Correct	8 ms	3416 KB	Output is correct
15	Correct	15 ms	3928 KB	Output is correct
16	Correct	15 ms	3932 KB	Output is correct
17	Correct	17 ms	4188 KB	Output is correct
18	Correct	18 ms	4136 KB	Output is correct
19	Correct	21 ms	4188 KB	Output is correct
20	Correct	20 ms	4188 KB	Output is correct