Submission #980569

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
980569	2024-05-12 08:46:07	fcmalkcin	Hexagonal Territory (APIO21_hexagon)	C++17	3 / 100	1 ms	600 KiB

hexagon

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#include <bits/stdc++.h>
using namespace std;
#define fastio ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define nl "\n"
#define ll long long
const int maxn = 2e5+5;
const ll mod = 1e9+7;
ll mul(ll a, ll n) {
  if (n == 0) return 1;
  ll t= mul(a, n / 2);
  if (n%2==0) return (t*t)%mod;
  else return ((t*t)%mod*a)%mod;
}
int draw_territory(int N, int A, int B, vector<int> D, vector<int> L){
    long long a;
    if(N==3){
        long long length = L[0] + 1;
        a = ((length * (length+1))%mod*mul(2, mod - 2)) %mod;
        a = (a * A) %mod;
    }
    else{
        int totalsq = 4000*4000;
        int dx[6] = {0, 1, 1, 0, -1, -1};
        int dy[6] = {2, 1 ,-1, -2, -1, 1};
    }
    int ans = a%mod;
 
 
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Compilation message (stderr)

hexagon.cpp: In function 'int draw_territory(int, int, int, std::vector<int>, std::vector<int>)':
hexagon.cpp:26:13: warning: unused variable 'totalsq' [-Wunused-variable]
   26 |         int totalsq = 4000*4000;
      |             ^~~~~~~
hexagon.cpp:27:13: warning: unused variable 'dx' [-Wunused-variable]
   27 |         int dx[6] = {0, 1, 1, 0, -1, -1};
      |             ^~
hexagon.cpp:28:13: warning: unused variable 'dy' [-Wunused-variable]
   28 |         int dy[6] = {2, 1 ,-1, -2, -1, 1};
      |             ^~
hexagon.cpp:30:9: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized]
   30 |     int ans = a%mod;
      |         ^~~

• Subtask 1: 3 / 3
• Subtask 2: 0 / 6
• Subtask 3: 0 / 11
• Subtask 4: 0 / 12
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• Subtask 8: 0 / 16