Submission #385233

#	Time	Username	Problem	Language	Result	Execution time	Memory
385233		Ahmad_Hasan	Mountains (IOI17_mountains)	C++17	Compilation error	0 ms	0 KiB

mountains

#include <bits/stdc++.h>

#include "mountains.h"
#define int long long

using namespace std;


int maximum_deevs(vector<int>v){
    int n=v.size();
    long double pi=acos(-1.0);
    int dp[n];
    dp[n-1]=1;
    for(int i=n-2;i>=0;i--){
        dp[i]=0;
        long double mx=-1;
        for(int j=i+1;j<n;j++){

            long double ang=atan2(j-i,v[i]-v[j])*180/pi;

            if(ang<mx){
                dp[i]=max(dp[i],dp[j]+1);
            }
            mx=max(mx,ang);
           /// cout<<i<<' '<<j<<' '<<mx<<' '<<j-i<<' '<<v[i]-v[j]<<'\n';
        }

    }

    int ans=-1;
    for(int i=0;i<n;i++)
        ans=max(ans,dp[i]);


    return ans;
}

Compilation message (stderr)

/tmp/ccUZSUAv.o: In function `main':
grader.cpp:(.text.startup+0x1fa): undefined reference to `maximum_deevs(std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status