oj.uz

답안 #880705

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
880705 2023-11-29T22:14:19 Z andro 쌀 창고 (IOI11_ricehub) C++14
42 / 100
 1000 ms 1368 KB 
#include <bits/stdc++.h>
#include "ricehub.h"
//#define int long long
using namespace std;
int besthub(int R, int L, int X[], long long B){
    long long pref[R+1];
    pref[0]=0;
    for(int i=1;i<=R;i++)pref[i]=pref[i-1]+X[i];
    int ans=0;
    map<int,int>cnt;
    for(int i=1;i<=R;i++)cnt[X[i]]++;
    for(int i=1;i<=R;i++){
        long long LL=0LL,RR=(long long)1e15,P=0;
        while(LL<=RR){
            long long s=(LL+RR)/2;
            long long c=0;
            for(int j=1;j<=R;j++){
                if(X[j]>=X[i]&&X[j]<=X[i]+s){
                    c+=X[j]-X[i];
                }
                else if(X[j]<=X[i]&&X[j]>=X[i]-s&&X[j]<=X[i]){
                    c+=X[i]-X[j];
                }
            }
            /*
            int l=1,r=i,p=-1;
            while(l<=r){
                int mid=(l+r)/2;
                if(abs(X[mid]-X[i])<=s){
                    r=mid-1;
                    p=mid;
                }
                else {
                    r=mid-1;
                }
            }
            int x=i-p+1;
            c+=(X[i])*x-pref[i]-pref[p-1];
            l=i+1,r=R,p=-1;
            while(l<=r){
                int mid=(l+r)/2;
                if(abs(X[i]-X[mid])<=s){
                    l=mid+1;
                    p=mid;
                }
                else {
                    r=mid-1;
                }
            }
            if(p!=-1){
                x=p-i;
                c+=(pref[p]-pref[i])-X[i]*x;
            }*/
            if(c<=B){
                LL=s+1;
                P=s;
            }
            else {
                RR=s-1;
            }
            //cout<<i<<" "<<s<<" "<<c;
            //cout<<endl;
        }
        int u=0;
        long long s=0;
        for(int j=1;j<=R;j++){
            if(abs(X[i]-X[j])<=P)s+=abs(X[i]-X[j]);
            if(abs(X[i]-X[j])<=P)u++;
        }
        for(int j=1;j<=R;j++){
            if(abs(X[i]-X[j])==P+1){
                s+=abs(X[i]-X[j]);
                if(s<=B)u++;
            }
        }
        /*
        int l=1,r=i,p=-1;
        while(l<=r){
            int mid=(l+r)/2;
            if(abs(X[mid]-X[i])<=P){
                r=mid-1;
                p=mid;
            }
            else {
                l=mid+1;
            }
        }
        s+=((i-p+1)*X[i])-(pref[i]-pref[p-1]);
        u+=i-p+1;
        l=i+1,r=R,p=-1;
        while(l<=r){
            int mid=(l+r)/2;
            if(abs(X[mid]-X[i])<=P){
                l=mid+1;
                p=mid;
            }
            else {
                r=mid-1;
            }
        }
        if(p!=-1){
            u+=p-i;
            s+=(pref[p]-pref[i])-X[i]*(p-i);
        }*/
        // |x-y|=P
        //! kolko ih ima na intervalu [a[i],a[i]+mid]+[a[i]-mid,a[i]]
        for(int j=1;j<=R;j++){
            if(abs(X[j]-X[i])==P+1){
                s+=abs(X[j]-X[i]);
                if(s<=B)u++;
            }
        }
        //cout<<i<<" "<<u<<" "<<s;
        //cout<<endl;
        ans=max(ans,u);
    }
    return ans;
}/*
signed main(){
    int X[4]={0,10,12,14};
    cout<<besthub(3,14,X,6);
}*/
/*
1 3 6
2 3 4
3 3 6
3
*/

Subtask #1
17.0 / 17.0

# 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

Subtask #2
25.0 / 25.0

# 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 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 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 0 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 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 356 KB Output is correct
21 Correct 13 ms 444 KB Output is correct
22 Correct 13 ms 600 KB Output is correct
23 Correct 12 ms 348 KB Output is correct
24 Correct 13 ms 344 KB Output is correct
25 Correct 13 ms 348 KB Output is correct
26 Correct 12 ms 720 KB Output is correct
27 Correct 16 ms 348 KB Output is correct
28 Correct 17 ms 344 KB Output is correct

Subtask #3
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 37 ms 468 KB Output is correct
4 Correct 41 ms 472 KB Output is correct
5 Correct 12 ms 344 KB Output is correct
6 Correct 13 ms 440 KB Output is correct
7 Correct 50 ms 432 KB Output is correct
8 Correct 52 ms 348 KB Output is correct
9 Correct 13 ms 348 KB Output is correct
10 Correct 13 ms 356 KB Output is correct
11 Correct 32 ms 356 KB Output is correct
12 Correct 33 ms 348 KB Output is correct
13 Correct 43 ms 348 KB Output is correct
14 Correct 48 ms 348 KB Output is correct
15 Correct 13 ms 348 KB Output is correct
16 Correct 13 ms 348 KB Output is correct
17 Correct 28 ms 344 KB Output is correct
18 Correct 30 ms 348 KB Output is correct
19 Correct 43 ms 348 KB Output is correct
20 Correct 47 ms 344 KB Output is correct
21 Execution timed out 1002 ms 344 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1031 ms 1368 KB Time limit exceeded
2 Halted 0 ms 0 KB -