Submission #228481

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
228481	2020-05-01T07:37:26 Z	bharat2002	Rice Hub (IOI11_ricehub)	C++14	Compilation error	0 ms	0 KB

ricehub

/*input

*/
#include<bits/stdc++.h>
#include "ricehub.h"
using namespace std;
const int N=1e5+100;
const int mod=1e9 + 7;
#define pii pair<int, int>
#define f first
#define s second 
#define mp make_pair
#define FOR(i, n) for(int i=1;i<=n;i++)
#define TRACE(x) cerr << #x << " = " << x << endl 
//Trace prints the name of the variable and the value.
int besthub(int n, int L, int arr[], int tot)
{
	int l=1, r=1;
	vector<pii> vals;int rem=tot;int ans=1;
	for(int i=1;i<=n;i++)
	{
		while(l<i&&r<n&&arr[i]-arr[l]>arr[r+1]-arr[i])
		{
			rem+=arr[i]-arr[l];rem-=arr[r+1]-arr[i];r++;l++;
		}
		while(l>1&&r<n)
		{
			int cost=min(arr[i]-arr[l-1], arr[r+1]-arr[i]);
			if(cost>rem) break;
			if(arr[i]-arr[l-1]< arr[r+1]-arr[i])
			{
				l--;
			}
			else r++;
			rem-=cost;
		}
		vals.push_back(mp(l, r));ans=max(ans, r-l+1);
	}
	if(vals.size()>1)
	{	for(int i=1;i<vals.size();i++)
		{
			if(vals[i].s==n) break;
			assert(vals[i].f>=vals[i-1].f);
		}
	}
	return ans;
}
/*signed main()
{
	ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
	int n, b;cin>>n>>b;int arr[N];
	for(int i=1;i<=n;i++)
	{
		cin>>arr[i];
	}	
	cout<<besthub(n, 0, arr, b);
}*/

Compilation message

ricehub.cpp: In function 'int besthub(int, int, int*, int)':
ricehub.cpp:40:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  { for(int i=1;i<vals.size();i++)
                ~^~~~~~~~~~~~
/tmp/ccEP6d3D.o: In function `main':
grader.cpp:(.text.startup+0x92): undefined reference to `besthub(int, int, int*, long long)'
collect2: error: ld returned 1 exit status