Submission #15963

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
15963	2015-08-02 14:15:42	myungwoo	Sequence (BOI14_sequence)	C++14	100 / 100	223 ms	2884 KiB

sequence

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#include <bits/stdc++.h>
using namespace std;
#define MAXN 100005
#define pb push_back
#define sz(v) ((int)(v).size())
#define all(v) (v).begin(), (v).end()
typedef long long lld;
int N;
int A[MAXN];
lld dfs(vector<int> &arr, bool last_zero)
{
  if (sz(arr) == 1){
    lld ret = 0;
    for (int i=1;i<10;i++) if (arr[0] & (1 << i)){
      ret = ret*10 + i;
      if ((arr[0] & 1) && ret) ret *= 10, arr[0] ^= 1;
    }
    if (arr[0] & 1) ret = ret ? ret*10 : 10;
    return ret ? ret : last_zero;
  }
  lld ret = 123456789000000L;
  for (int i=0;i<10;i++){
    vector <int> nxt = {0};
    int k = i;
    for (int t: arr){
      if (k == 10) k = 0, nxt.pb(0);
      int &b = nxt[sz(nxt)-1];
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 33 / 33
• Subtask 3: 25 / 25
• Subtask 4: 33 / 33