Submission #555477

#	Time	Username	Problem	Language	Result	Execution time	Memory
555477		joelau	Hexagonal Territory (APIO21_hexagon)	C++14	9 / 100	1 ms	340 KiB

hexagon

#include "hexagon.h"
#include <bits/stdc++.h>
using namespace std;

long long m = 1000000007;

long long fastexp (long long a, long long b) {
    long long ans = 1;
    while (b) {
        if (b & 1) ans = ans * a % m;
        a = a * a % m;
        b >>= 1;
    }
    return ans;
}

int draw_territory(int N, int A, int B, vector<int> D, vector<int> L) {
    return ((long long) (A-B+m) * (L[0]+1) % m * (L[0]+2) % m * fastexp(2,m-2) + (long long) B * (L[0]+1) % m * (L[0]+2) % m * (L[0]*2+3) % m * fastexp(6,m-2)) % m;
}

• Subtask 1: 3 / 3
• Subtask 2: 6 / 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