Submission #1002842

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1002842	2024-06-19 20:30:20	Tob	Linear Garden (IOI08_linear_garden)	C++14	100 / 100	11 ms	10300 KiB

linear_garden

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#include <bits/stdc++.h>
#define ll long long
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define pb push_back
#define FIO ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
using namespace std;
typedef pair <ll, ll> pii;
const int N = 1e6 + 7;
int n, mod;
string s;
ll ps[N];
int main () {
  FIO;
  cin >> n >> mod >> s;
  
  ps[n] = ps[n-1] = 1;
  for (int i = n-2; i >= 0; i--) {
    ps[i] = 2*ps[i+2] % mod;
  }
  
  ll res = 1;
  
 
 
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