Submission #1272426

#	Time	Username	Problem	Language	Result	Execution time	Memory
1272426		cl_lmc	Rice Hub (IOI11_ricehub)	C++20	Compilation error	0 ms	0 KiB

ricehub

#include <bits/stdc++.h>
#define int long long
#define double long double
#define f first
#define s second
#define all(x) x.begin(),x.end()
#define pb push_back
#define pii pair<int,int>
#define prq priority_queue
#define um unordered_map
#define inf (long long)2e18
using namespace std;
int dx[4]={-1,0,1,0}, sdx[8]={-1,-1,0,1,1,1,0,-1}, dy[4]={0,-1,0,1}, sdy[8]={0,-1,-1,-1,0,1,1,1};
bool val(int lx, int ly, int x, int y){
    if(x>=0&&x<lx&&y>=0&&y<ly) return true;
    else return false;
}
bool cmpf(pii a, pii b){
    if(a.f!=b.f) return a.f>b.f;
    else return a.s<b.s;
}
signed main() {
    ios::sync_with_stdio(0); cin.tie(nullptr); cout.tie(nullptr);
    int n,le,k;
    cin >> n >> le >> k;
    int ans=0;
    int l=1,r=n,mid;
    vector<int>udon(n+1),psum(n+1,0);
    for(int i=1; i<=n; i++){
        cin >> udon[i];
        // psum[i]=psum[i-1]+udon[i];
    }
    while(l<r){
        mid=(l+r)/2;
        int mi=inf, it;
        for(int i=1; i<=n-mid+1; i++){
            // cout << i << ' ' << mid << ' ' << udon[i+mid-1]-udon[i]+1 <<endl;
            if(udon[i+mid-1]-udon[i]+1<mi){
                mi=udon[i+mid-1]-udon[i]+1;
                it=i;
            }
        }
        double avg=0;
        // cout << it << endl;
        for(int i=it; i<=it+mid-1; i++){
            avg+=udon[i];
        }
        avg/=mid;
        int s1=0,s2=0;
        for(int i=it; i<=it+mid-1; i++){
            s1+=llabs(floor(avg)-udon[i]);
        }
        for(int i=it; i<=it+mid-1; i++){
            s2+=llabs(floor(avg)-udon[i]);
        }
        if(s1>k&&s2>k){
            r=mid;
        }else{
            l=mid+1;
            ans=max(ans,mid);
        }
    }
    cout << ans << '\n';
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccf4uLJt.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccE2EAGh.o:ricehub.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccf4uLJt.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