Submission #342346

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
342346	2021-01-01 23:22:57	Gajowy	Password (RMI18_password)	C++14	100 / 100	473 ms	872 KiB

password

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#include <bits/stdc++.h>
using namespace std;
int query(string str);
void solve_positions(char c,string &res,int l,int r,int pl,int pr,vector<int> &resvec){
  int len=(l+r)/2;
  int lo=pl,hi=pr;
  string qs;
  while(lo<hi){
    qs.clear();
    int mid=(lo+hi)/2+1;
    for(int i=0;i<mid;i++)
      qs.push_back(res[i]);
    for(int i=0;i<len;i++)
      qs.push_back(c);
    int smqres=query(qs);
    if(smqres==(int)qs.size())
      lo=mid;
    else
      hi=mid-1;
  }
  resvec.push_back(lo);
  if(len-1>=l)
    solve_positions(c,res,l,len-1,lo,pr,resvec);
  if(len+1<=r)
    solve_positions(c,res,len+1,r,pl,lo,resvec);
}
string guess(int n,int s){
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 30 / 30
• Subtask 5: 20 / 20