Submission #19488

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
19488	2016-02-24 14:08:43	algoshipda	Ω (kriii4_P3)	C++14	100 / 100	18 ms	1724 KiB

P3

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#include <bits/stdc++.h>
using namespace std;
typedef long long lld;
const int MOD = 1e9 + 7;
int fpow(int n, int k)
{
  if(k == 0) return 1;
  if(k % 2){
    return 1ll * n * fpow(n, k - 1) % MOD;
  }
  int h = fpow(n, k / 2);
  return 1ll * h * h % MOD;
}
int inv(int n)
{
  return 1ll * fpow(n, MOD - 2) % MOD;
}
inline void mult(int& a, int b)
{
  a = 1ll * a * b % MOD;
}
int mult2(int a, int b)
{
  return 1ll * a * b % MOD;
}
 
 
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• Subtask 1: 100 / 100