Submission #780930

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
780930	2023-07-12T14:45:09 Z	Mouad_ouj	Radio Towers (IOI22_towers)	C++17	Compilation error	0 ms	0 KB

towers

#include "towers.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> he;
int k=0;
void init (int n,int h[])
{
    he.resize(n);
    for(int x=0;x<n;x++)
    {
    he[x]=h[x];
    if(h[x]>h[x+1] && x!=n)
    k=x;
    }
    if(h[n-1]>h[n-2])
    k=n-1;
}
int max_towers(int l, int r, int d)
{
    if(k>=r || k<=l)
    return 0;
    int ml=k,mr=r;
    while(ml!=mr)
    {
        int mid=(ml+mr)/2;
        if(he[mid]>he[k]-d)
        ml=mid+1;
        else
        mr=mid;
    }
    int a1=mr,a2=0;
    ml=l,mr=k;
    while(ml!=mr)
    {
        int mid=(ml+mr)/2;
        if(he[mid]<he[k]-d)
        ml=mid+1;
        else
        mr=mid;
    }
    a2=mr;
    return ((r-a2+1)*(a1-l+1));
}

Compilation message

/usr/bin/ld: /tmp/ccIXRaEc.o: in function `main':
stub.cpp:(.text.startup+0x179): undefined reference to `init(int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status