Submission #1038817

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1038817	2024-07-30 07:57:32	vjudge1	Binaria (CCO23_day1problem1)	C++17	25 / 25	106 ms	20948 KiB

Main

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// Dit me fryingduc
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define fore(i, a, b) for (int i = (a); i <= (b); i++)
#define pb emplace_back
const int mod = 1e6 + 3;
int binpow(int a, int b)
{
  if (b == 0) return 1ll;
  int ans = binpow(a, b / 2ll);
  return ans * ans % mod * (b & 1ll ? a : 1ll) % mod;
}
int nCk(int n, int k)
{
  int ans = 1;
  if (k > n || n < 0 || k < 0) return 0;
  fore(i, k + 1, n) ans = ans * i % mod;
  fore(i, 1, n - k) ans = ans * binpow(i, mod - 2) % mod;
  return ans;
}
signed main()
{
  cin.tie(0)->sync_with_stdio(0);
  int n, k;
 
 
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• Subtask 1: 3 / 3
• Subtask 2: 3 / 3
• Subtask 3: 4 / 4
• Subtask 4: 4 / 4
• Subtask 5: 4 / 4
• Subtask 6: 7 / 7