Submission #1211062

#	Time	Username	Problem	Language	Result	Execution time	Memory
1211062		moondarkside	Rice Hub (IOI11_ricehub)	C++20	Compilation error	0 ms	0 KiB

ricehub

#include <iostream>
#include<bits/stdc++.h>
using namespace std;

long long findRiceFromSpot(long long pos,vector<long long>& CarryValuesR,vector<long long>& CarryValuesL,long long X[],long long money){
    long long Md=min(pos,(long long)CarryValuesR.size()-pos-1);
    long long r=(long long)CarryValuesR.size();
    long long mD=0;
    long long best=1;
    while(Md>mD){
        long long mid=(Md+mD-1)/2+1;
        long long price=CarryValuesR[pos]-CarryValuesR[pos-mid]-(X[pos]-X[pos-mid])*(pos-mid);
        price+=CarryValuesL[r-1-pos]-CarryValuesL[r-1-pos-mid]-(X[pos+mid]-X[pos])*(r-1-pos-mid);
        if(price>money){
            Md=mid-1;
        }
        else{
            mD=mid;
        }
    }
    best=best+mD*2;
    if(pos-mD>0){
       long long price=CarryValuesR[pos]-CarryValuesR[pos-mD-1]-(X[pos]-X[pos-mD-1])*(pos-mD-1);
       price+=CarryValuesL[r-1-pos]-CarryValuesL[r-1-pos-mD]-(X[pos+mD]-X[pos])*(r-1-pos-mD);
       if(price<=money){
           best=best+1;
       }
    }
    return best;
}

long long besthub(long long R,long long L,long long X[],long long B){
    std::vector<long long> CarryValuesR;
    std::vector<long long> CarryValuesL;
    CarryValuesR.push_back(0);
    CarryValuesL.push_back(0);
    
    for(long long i=1;i<R;i++){
        long long price=CarryValuesR[i-1]+(X[i]-X[i-1])*(i);
        CarryValuesR.push_back(price);
    }
    
    for(long long i=1;i<R;i++){
        long long price=CarryValuesL[i-1]+(X[R-i]-X[R-i-1])*(i);
        CarryValuesL.push_back(price);
    }
    long long Maximum=0;
    for(long long i=0;i<R;i++){
        Maximum=max(Maximum,findRiceFromSpot(i,CarryValuesR,CarryValuesL,X,B));
    }
    return Maximum;
    
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cc2eZIaW.o: in function `main':
grader.cpp:(.text.startup+0xaa): undefined reference to `besthub(int, int, int*, long long)'
collect2: error: ld returned 1 exit status