Submission #980517

#	Time	Username	Problem	Language	Result	Execution time	Memory
980517		vjudge1	Hexagonal Territory (APIO21_hexagon)	C++17	0 / 100	1 ms	348 KiB

hexagon

#include <bits/stdc++.h>
using namespace std;
#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, vector<int> D, vector<int> L){
    int mod = 1e9+7;
    long long a;
    if(N==3){
        int length = L[0];
        a = ((((length*(2*length-1)*(length+1)/6)*B)%mod) + ((length*(length+1))/2 * (A-B))%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};
    }
    int ans = a%mod;
    return ans;
}

Compilation message (stderr)

hexagon.cpp: In function 'int draw_territory(int, int, int, std::vector<int>, std::vector<int>)':
hexagon.cpp:16:13: warning: unused variable 'totalsq' [-Wunused-variable]
   16 |         int totalsq = 4000*4000;
      |             ^~~~~~~
hexagon.cpp:17:13: warning: unused variable 'dx' [-Wunused-variable]
   17 |         int dx[6] = {0, 1, 1, 0, -1, -1};
      |             ^~
hexagon.cpp:18:13: warning: unused variable 'dy' [-Wunused-variable]
   18 |         int dy[6] = {2, 1 ,-1, -2, -1, 1};
      |             ^~
hexagon.cpp:20:9: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized]
   20 |     int ans = a%mod;
      |         ^~~

• Subtask 1: 0 / 3
• Subtask 2: 0 / 6
• Subtask 3: 0 / 11
• Subtask 4: 0 / 12
• Subtask 5: 0 / 15
• Subtask 6: 0 / 19
• Subtask 7: 0 / 18
• Subtask 8: 0 / 16