Submission #773862

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
773862	2023-07-05 09:12:03	parsadox2	Dabbeh (INOI20_dabbeh)	C++14	100 / 100	1452 ms	68040 KiB

Main

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#include <bits/stdc++.h>
#define pb    push_back
#define F   first
#define S     second
#define debug(x)    cout << #x << "= " << x << ", "
#define ll    long long
#define fast    ios::sync_with_stdio(false), cin.tie(0),  cout.tie(0)
#define SZ(x)         (int) x.size()
#define wall    cout << endl;
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int maxn = 3e5 + 10 , Base = 727 , maxl = 20;
int n , L , m , pw[2][maxn] , mod[2] , prehsh[2][maxn] , rr[maxn];
pair<int , int> ar[maxn] , adj[maxl][maxn];
int modit(int ty , int a)
{
  if(a >= mod[ty])  return a - mod[ty];
  return a;
}
pair<int , int> get(int l , int r)
{
  int res[2];
  if(l == 0)  return make_pair(prehsh[0][r] , prehsh[1][r]);
  for(int ty = 0 ; ty < 2 ; ty++)
  {
    res[ty] = 1LL * prehsh[ty][l - 1] * pw[ty][r - l + 1] % mod[ty];
    res[ty] = modit(ty , prehsh[ty][r] + mod[ty] - res[ty]);
  }
 
 
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• Subtask 1: 25 / 25
• Subtask 2: 25 / 25
• Subtask 3: 50 / 50