Submission #946518

#	Time	Username	Problem	Language	Result	Execution time	Memory
946518		vjudge1	Brunhilda’s Birthday (BOI13_brunhilda)	C++11	20 / 100	1094 ms	262144 KiB

brunhilda

#include <iostream>

using namespace std;

const int MAX = 1e5 + 1;
const int INF = 1e7 + 1;

int m, q;
int p[MAX];
int dp[INF];
int comp[INF];

int getMin(int x){
  if (x == 0) return 0;
  if (dp[x] == 0){
    dp[x] = INF;
    for (int i = 0; i < m; i++) {
      if (x % p[i] != 0) dp[x] = min(dp[x], 1 + getMin((x / p[i]) * p[i]));
    }
  }
  return dp[x];
}

void solve(){
  int n;
  cin >> n;
  int ans = getMin(n);
  if (ans == INF) cout << "oo\n";
  else cout << ans << "\n";
}

int main(){
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);
  cin >> m >> q;
  for (int i = 0; i < m; i++){
    cin >> p[i];
  }
  for (int i = 0; i < q; i++){
    solve(); 
  }
  return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 60