Submission #1080517

#	Time	Username	Problem	Language	Result	Execution time	Memory
1080517		alexander707070	Hexagonal Territory (APIO21_hexagon)	C++14	Compilation error	0 ms	0 KiB

hexagon

#include<bits/stdc++.h>
#include "hexagon.h"

using namespace std;

const long long mod=1e9+7;

int n;

long long ff(long long x){
    long long a=x-1,b=x,c=x+1;
    if(a%3==0)a/=3;
    if(b%3==0)b/=3;
    if(c%3==0)c/=3;

    return (((a*b)%mod)*c)%mod;
}

int draw_territory(int N, long long A, long long B,vector<long long> D,vector<long long> l){
    n=N;

    if(n==3){
        return ((A*(((l[0]+1)*(l[0]+2)/2)%mod) )%mod + (B*ff(l[0]))%mod)%mod ;
    }
}

Compilation message (stderr)

hexagon.cpp: In function 'int draw_territory(int, long long int, long long int, std::vector<long long int>, std::vector<long long int>)':
hexagon.cpp:25:1: warning: control reaches end of non-void function [-Wreturn-type]
   25 | }
      | ^
/usr/bin/ld: /tmp/ccSga9Xp.o: in function `main':
grader.cpp:(.text.startup+0x220): undefined reference to `draw_territory(int, int, int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status