Submission #880438

#	Time	Username	Problem	Language	Result	Execution time	Memory
880438		andro	Rice Hub (IOI11_ricehub)	C++14	17 / 100	1038 ms	600 KiB

ricehub

#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){
    int ans=0;
    for(int i=1;i<=R;i++){
        //od desno kolko ih ima u [X[i],X[i]+mid]
        // od levo [X[i]-mid,X[i]]
        int l=0,r=1e15+1,p=-1;
        while(l<=r){
            int mid=(l+r)/2;
            int c=0;
            for(int j=1;j<=R;j++){
                if(abs(X[i]-X[j])<=mid)c+=abs(X[i]-X[j]);
            }
            if(c<=B){
                l=mid+1;
                p=mid;
            }
            else {
                r=mid-1;
            }
        }
        int u=0;
        for(int j=1;j<=R;j++){
            if(abs(X[i]-X[j])<=p)u++;
        }
        ans=max(ans,u);
    }
    return ans;
}/*
signed main(){
    int X[4]={0,10,12,14};
    cout<<besthub(3,14,X,6);
}*/
/*
1 3
2 3
3 3
3
*/

Compilation message (stderr)

ricehub.cpp: In function 'int besthub(int, int, int*, long long int)':
ricehub.cpp:10:23: warning: overflow in conversion from 'double' to 'int' changes value from '1.000000000000001e+15' to '2147483647' [-Woverflow]
   10 |         int l=0,r=1e15+1,p=-1;
      |                   ~~~~^~

• Subtask 1: 17 / 17
• Subtask 2: 0 / 25
• Subtask 3: 0 / 26
• Subtask 4: 0 / 32