Submission #234538

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
234538	2020-05-24 12:36:30	shayan_p	Ljetopica (COI19_ljetopica)	C++14	100 / 100	37 ms	8440 KiB

ljetopica

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// Never let them see you bleed...
#include<bits/stdc++.h>
#define F first
#define S second
#define PB push_back
#define sz(s) int((s).size())
#define bit(n,k) (((n)>>(k))&1)
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
const int maxn = 1010 , mod = 1e9 + 7, inf = 1e9 + 10;
int fac[maxn], ifac[maxn];
int Pow(int a, int b){
    int ans = 1;
    for(; b; b>>=1, a = 1ll * a * a % mod)
  if(b & 1)
      ans = 1ll * ans * a % mod;
    return ans;
}
int C(int n, int k){
    if(n < 0 || k < 0 || n < k)
  return 0;
    return 1ll * fac[n] * ifac[k] %mod * ifac[n-k] % mod;
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 14 / 14
• Subtask 3: 17 / 17
• Subtask 4: 61 / 61