#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef unsigned int uint;
typedef vector<int> vi;
typedef vector< vector <int> > vvi;
typedef pair<int, int> pii;
typedef pair < pair < int, int >, int > piii;
typedef pair < pair <int, int > , pair <int, int> > piiii;
typedef pair<ll, ll> pll;
typedef vector<bool> vb;
typedef vector<char> vc;
typedef vector<string> vs;
#define FOR(i,a,b) for(int i = a; i < b; i ++)
#define RFOR(i,a,b) for(int i = a-1; i >= b; i --)
#define all(a) a.begin(), a.end()
#define endl '\n';
#define sz(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define ff first
#define ss second
int r;
vector<ll> x;
vector<ll> pre;
ll l;
ll b;
bool test(int k) {
FOR(i,0,r-k+1) {
int mid = (i + i + k - 1)/2;
ll lft = mid - i + 1;
ll rgt = (i + k - 1) - mid;
// cout << lft << " " << rgt << endl;
ll tot = lft * x[mid] - (pre[mid+1] - pre[i]) + (pre[i + k] - pre[mid + 1]) - rgt * x[mid];
if(tot <= b) {
cout << i << " " << i + k-1 <<endl;
return true;
}
}
return false;
}
int besthub(ll R, ll L, ll X[], ll B) {
r = R;
FOR(i,0,r) x.pb(X[i]);
l = L;
b = B;
pre.resize(r+1);
FOR(i,1,r+1) {
pre[i] = x[i-1] + pre[i-1];
}
int lo = 1;
int hi = r;
while(lo != hi) {
int mid = (lo + hi + 1)/2;
bool good = test(mid);
if(good) {
lo = mid;
} else {
hi = mid-1;
}
}
return lo;
}
Compilation message
/usr/bin/ld: /tmp/ccUlrfqm.o: in function `main':
grader.cpp:(.text.startup+0xae): undefined reference to `besthub(int, int, int*, long long)'
collect2: error: ld returned 1 exit status
