Submission #940090

#	Time	Username	Problem	Language	Result	Execution time	Memory
940090		vjudge1	Sequence (BOI14_sequence)	C++17	9 / 100	632 ms	2776 KiB

sequence

#include <bits/stdc++.h>
#define file_io freopen("input.txt", "r", stdin);freopen("output.txt", "w", stdout);
#define fast_io ios::sync_with_stdio(false);cin.tie(0);
#define what(x) cerr << #x << " is " << x << '\n';
#define kill(x) {cout << x << '\n'; return 0;}
#define all(x) (x).begin(), (x).end()
#define pii pair<int, int>
#define pb push_back
#define ll long long
#define F first
#define S second
const ll inf = 1e16, mod = 1e9 + 7, delta = 1e9 + 9, SQ = 450, P = 6065621;

using namespace std;

const int N = 5e5 + 10, LG = 20;
vector<string> v;
int a[N];

bool check(string &s, int x) {
  for (auto u: s) 
    if (u - '0' == x) 
      return true;
  return false;
}

bool check (vector<string> &v) {
  for (int i = 0; i < v.size(); i++)
    if (!check(v[i], a[i + 1])) return false;
  return true;
}

int main () {
  fast_io;
  int n;
  cin >> n;
  for (int i = 1; i <= n; i++)
    cin >> a[i];
  for (int i = 1; i <= 1000; i++) {
    v.clear();
    for (int j = i; j <= n + i - 1; j++)
      v.pb(to_string(j));
    if (check(v)) kill(i);
  } 
  return 0;
}

Compilation message (stderr)

sequence.cpp: In function 'bool check(std::vector<std::__cxx11::basic_string<char> >&)':
sequence.cpp:28:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |   for (int i = 0; i < v.size(); i++)
      |                   ~~^~~~~~~~~~

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