Submission #491898

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
491898	2021-12-04 23:22:13	Hegdahl	Sequence (BOI14_sequence)	C++17	0 / 100	1 ms	204 KiB

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#include <iostream>
#include <vector>
int main() {
  std::cin.tie(0)->sync_with_stdio(0);
  int k;
  std::cin >> k;
  std::vector<int> a(k);
  for (int &x : a)
    std::cin >> x;
  int x = a[0];
  if (x == 9) {
    int v = 9;
    int cnt = 1;
    while (cnt < k) {
      v = 10*v - 1;
      cnt = 10*cnt + 1;
    }
    std::cout << v << '\n';
  } else {
    int v = x;
    int cnt = 1;
    while (cnt < k) {
      v = 10*v;
      cnt = 10*cnt;
    }
 
 
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• Subtask 1: 0 / 9
• Subtask 2: 0 / 33
• Subtask 3: 0 / 25
• Subtask 4: 0 / 33