Submission #981369

#	Time	Username	Problem	Language	Result	Execution time	Memory
981369		Unforgettablepl	Hexagonal Territory (APIO21_hexagon)	C++17	9 / 100	1 ms	500 KiB

hexagon

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

const __int128 modulo = 1e9+7;
const __int128 inverse2 = 500000004;
const __int128 inverse3 = 333333336;

int draw_territory(int N, int A, int B,
                   std::vector<int> D, std::vector<int> L) {
    __int128 len = L[0]+1ll;
    return (int)((len*(len+1)*inverse2*__int128(A) + (((len-1)*len*(len+1))%modulo)*inverse3*__int128(B))%modulo);
}

• 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