Submission #643107

#	Time	Username	Problem	Language	Result	Execution time	Memory
643107		TimDee	Password (RMI18_password)	C++17	0 / 100	29 ms	316 KiB

password

#include <bits/stdc++.h>
using namespace std;

int query(string s);

string guess(int n, int c) {
  int last=0;
  string s;
  while (last<n) {
    int l=0, r=c-1;
    while (l<r) {
      int mid=(l+r)>>1;
      string t=s;
      for (char i='a'; i<='a'+mid; ++i) t.push_back(i);
      int x=query(t);
      if (x>last) r=mid;
      else l=mid+1;
    }
    s+=('a'+r);
    last=s.length();
  }
  return s;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 30
• Subtask 5: 0 / 20