Submission #737361

#	Time	Username	Problem	Language	Result	Execution time	Memory
737361		keisuke6	Hexagonal Territory (APIO21_hexagon)	C++14	3 / 100	1 ms	384 KiB

hexagon

#include "hexagon.h"
#include <vector>
long long mod = 1000000007;
int draw_territory(int N, int A, int B, std::vector<int> D, std::vector<int> L){
  long long a = ((long long)(L[0]+1)*(L[0]+2)/2%mod)*A%mod;
  long long b = (long long)(L[0]-1)*L[0]%mod*(L[0]+1)%mod;
  while(b%3) b += mod;
  b /= 3;
  b = (b*B)%mod;
  long long ans = a+b;
  ans = (ans+20*mod)%mod;
  return (int)(ans);
}

• Subtask 1: 3 / 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