This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "ricehub.h"
#include<bits/stdc++.h>
using namespace std;
vector<int> pos;
long long budget;
int limit;
bool existWithT(int T){
long long sum = 0;
for(int i=0;i<T;i++)sum+=pos[i];
auto computeScore = [&](int x,int l,int r){
long long re = 0;
for(int i = l;i<=r;i++){
re+=abs(x-pos[i]);
}
return re;
};
auto findGoodSegment = [&](int l,int r){
long long best = pos[(l+r)/2];
if(computeScore(best,l,r)<=budget)return true;
return false;
};
if(findGoodSegment(0,T-1))return true;
for(int right=T;right<pos.size();right++){
sum-=pos[right-T];
sum+=pos[right];
if(findGoodSegment(right-T+1,right))return true;
}
return false;
}
int besthub(int R, int L, int X[], long long B)
{
budget = B;
pos.resize(R);
limit = L;
for(int i = 0;i<R;i++){
pos[i] = X[i];
}
sort(pos.begin(),pos.end());
int low = 1;
int high = R;
while ((high-low)>1){
int mid = (low+high)/2;
if(existWithT(mid)){
low = mid;
}else{
high = mid;
}
}
if(existWithT(high)){
return high;
}else{
return low;
}
}
Compilation message (stderr)
ricehub.cpp: In function 'bool existWithT(int)':
ricehub.cpp:28:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
28 | for(int right=T;right<pos.size();right++){
| ~~~~~^~~~~~~~~~~
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