Submission #494808

#	Time	Username	Problem	Language	Result	Execution time	Memory
494808		Christopher_	Jetpack (COCI16_jetpack)	C++17	80 / 80	14 ms	10972 KiB

jetpack

#include <bits/stdc++.h>

using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int m;
  cin >> m;
  vector<string> g(10);
  for (int i = 0; i < 10; ++i) {
    cin >> g[i];
  }
  vector<int> res;
  function<bool(int,int)> Dfs = [&](int x, int y) {
    if (g[x][y] == 'X') return false;
    if (y == m - 1) return true;
    g[x][y] = 'X';
    if (Dfs(max(0, x - 1), y + 1)) {
      res.push_back(y);
      return true;
    }
    if (Dfs(min(9, x + 1), y + 1)) {
      return true;
    }
    return false;
  };
  if (Dfs(9, 0) == false) {
    cout << "0\n";
  }
  cout << (int) res.size() << '\n';
  for (int i = (int) res.size() - 1; ~i; --i) {
    cout << res[i] << " 1\n";
  }
}

• Subtask 1: 80 / 80