Submission #972969

#	Time	Username	Problem	Language	Result	Execution time	Memory
972969		vjudge1	Hexagonal Territory (APIO21_hexagon)	C++17	Compilation error	0 ms	0 KiB

hexagon

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define fastio ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define nl "\n"

const int maxn = 2e5+5;

int draw_territory(int N, int A, int B, int D[], int L[]){
    int mod = 1e9+7;
    int ans;
    if(N==3){
        int length = L[0];
        ans = ((((length*(length-1)*(length+1)/3)*B)%mod) + (length*A)%mod) % mod;
    }
    else{
        int totalsq = 4000*4000;
        int dx[6] = {0, 1, 1, 0, -1, -1};
        int dy[6] = {2, 1 ,-1, -2, -1, 1};
    }
    return ans;
}

Compilation message (stderr)

hexagon.cpp: In function 'long long int draw_territory(long long int, long long int, long long int, long long int*, long long int*)':
hexagon.cpp:17:13: warning: unused variable 'totalsq' [-Wunused-variable]
   17 |         int totalsq = 4000*4000;
      |             ^~~~~~~
hexagon.cpp:18:13: warning: unused variable 'dx' [-Wunused-variable]
   18 |         int dx[6] = {0, 1, 1, 0, -1, -1};
      |             ^~
hexagon.cpp:19:13: warning: unused variable 'dy' [-Wunused-variable]
   19 |         int dy[6] = {2, 1 ,-1, -2, -1, 1};
      |             ^~
hexagon.cpp:21:12: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   21 |     return ans;
      |            ^~~
/usr/bin/ld: /tmp/ccj1qBb7.o: in function `main':
grader.cpp:(.text.startup+0x228): 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