Submission #1003187

#	Time	Username	Problem	Language	Result	Execution time	Memory
1003187		ayankarimova	쌀 창고 (IOI11_ricehub)	C++14	0 / 100	610 ms	7760 KiB

ricehub

#include "ricehub.h"
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define ll long long
const ll sz=5005;
ll a[sz], b[sz], s1[sz], s2[sz], s[sz], d[sz];
map<ll, ll>mp;
int besthub(int r, int l, int x[], long long k)
{
    for(int i=0; i<r; i++){
        mp[x[i]]++;
        s[x[i]]++;
    }
    for(int i=0; i<r; i++){
        for(int j=0; j<i; j++){
            d[i]+=x[i]-x[j];
        }
        //cout<<d[i]<<' ';
    }
    for(int i=1; i<=l+1; i++) s[i]+=s[i-1];
    ll sum=0;
    for(ll i=1; i<=l; i++){
        a[i]=a[i-1]+s1[i-1];
        s1[i]=mp[i]+s1[i-1];
    }
    //cout<<endl;
    sum=0;
    for(ll i=l; i>=1; i--){
        b[i]=b[i+1]+s2[i+1];
        s2[i]=mp[i]+s2[i+1];
        //cout<<b[i]<<' ';
    }
    ll ans=0;
    for(int i=0; i<r; i++){
        for(int j=i; j<r; j++){
            ll m=(i+j)/2;
            ll num1=(d[m]-d[i])-i*(x[m]-x[i]);
            ll num2=(d[j]-d[m])-m*(x[j]-x[m]);
            if(num1+num2<=k){
                ans=max(ans, (ll)j-i+1);
                //cout<<i<<' '<<j<<' '<<num1<<' '<<num2<<' '<<ans<<endl;
            }
        }
    }
    return ans;
}
/*
{} []
5 20 6

1 2 10 12 14 3
*/

Compilation message (stderr)

ricehub.cpp: In function 'int besthub(int, int, int*, long long int)':
ricehub.cpp:22:8: warning: variable 'sum' set but not used [-Wunused-but-set-variable]
   22 |     ll sum=0;
      |        ^~~

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