Submission #1369475

#	Time	Username	Problem	Language	Result	Execution time	Memory
1369475		aleksandre	Rice Hub (IOI11_ricehub)	C++20	Compilation error	0 ms	0 KiB

ricehub

#include<bits/stdc++.h>
#include"ricehub.h"
using namespace std;
#define int long long
int n;
int a[100005];
int pref[100005];
int mx = 1e15;
int get(int l, int r) {
    int mid = (l+r)/2;
    int b = pref[mid]-pref[l-1];
    int c = mid-l+1;
    int d = pref[r]-pref[mid];
    int e = r-mid;
    int res = (c*a[mid]-b) + (d-e*a[mid]);
    return res; 
}
int besthub(int R, int L, int X[], long long B) {
    n = R;
    for (int i = 0; i < n; i++) {
        a[i+1] = X[i];
    }
    pref[0] = 0;
    for (int i = 1; i <= n; i++) {
        pref[i] = pref[i-1] + a[i];
    }
    int ansl = -1;
    int ansr = -1;
    for (int i = 1; i <= n; i++) {
        int l = i,r = n;
        int idx = -1;
        while (l <= r) {
            int mid = (l+r)/2;
            if (get(i,mid) <= mx) {
                idx = mid;
                l = mid + 1;
            } else {
                r = mid - 1;
            }
        }
        if (ansr - ansl <= idx - i) {
            ansr = idx;
            ansl = i;
        }
    }
    return ansr-ansl+1;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccUUg4yR.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