Submission #940367

#	Time	Username	Problem	Language	Result	Execution time	Memory
940367		vjudge1	Sequence (BOI14_sequence)	C++17	9 / 100	1096 ms	2908 KiB

sequence

/// ITNOG
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

#define F first
#define S second
#define pb push_back
#define ppb pop_back
#define fast_io ios::sync_with_stdio(false);cin.tie(NULL);
#define file_io freopen("input.txt","r",stdin);freopen("output.txt","w",stdout);
#define FOR(i,k,n) for(int i = k; i < n; ++ i)
#define debf cout<<"(0-0)\n";
#define all(x) x.begin(), x.end()
#define dec(x) cout << fixed << setprecision(x);
#define pf push_front
#define ppf pop_front
#define dash " ------- "
#define what(x) cerr << #x << " is " << x << endl;
#define eb emplace_back
//#define int short int
//#define int long long
#define sz(s) (int) (s.size())
#define fl cout.flush()

using namespace std;
//using namespace __gnu_pbds;

typedef long long ll;
typedef pair <int, int> pii;
typedef pair <int, pii> pip;
typedef pair <pii, int> ppi;
typedef pair <ll, ll> pll;
typedef unsigned long long ull;
typedef long double ld;

template <class T> using max_heap = priority_queue <T, vector <T>, less <T> >;
template <class T> using min_heap = priority_queue <T, vector <T>, greater <T> >;
//template <class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

constexpr int MOD = 1e9 + 7, N = 5e5 + 8, M = 1e6, SQ = 600, INF = 1e9 + 8, LGN = 22, mod = 998244353, P = 131113;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

bitset <N*10> mark;
int n, a[N];

int32_t main(){
  fast_io;
  cin >> n;
  FOR (i, 0, n){
    cin >> a[i];
  }
  FOR (i, 1, N - 1){
    int x = i;
    while (x){
      mark[i*10+x%10] = 1;
      x /= 10;
    }
  }
  for (int i = 1; i < N; ++ i){
    bool ok = true;
    for (int j = 0; j < n; ++ j){
      if (!mark[(i+j)*10+(a[j])]){
        ok = false;
      }
    }
    if (ok){
      cout << i;
      return 0;
    }
  }
  return 0;
}

// Yesterday is history
// Tomorrow is a mystery
// but today is a gift
// That is why it is called the present

• Subtask 1: 9 / 9
• Subtask 2: 0 / 33
• Subtask 3: 0 / 25
• Subtask 4: 0 / 33