Submission #903575

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
903575	2024-01-11 08:51:31	pcc	Cryptography (NOI20_crypto)	C++14	100 / 100	401 ms	21196 KiB

Crypto

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#include <bits/stdc++.h>
#include <bits/extc++.h>
using namespace __gnu_pbds;
using namespace std;
#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>
tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> st;
const ll mod = 1e9+7;
const ll mxn = 3e5+10;
ll fac[mxn];
int arr[mxn];
inline ll mad(ll a,ll b){
   a += b;
   return a>=mod?a-mod:a;
}
inline ll mub(ll a,ll b){
  return mad(a,mod-b);
}
int main(){
  ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
  fac[0] = 1;
 
 
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