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Submission #643107

# Submission time Handle Problem Language Result Execution time Memory
643107 2022-09-21T08:29:38 Z TimDee Password (RMI18_password) C++17
0 / 100
 29 ms 316 KB 
#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 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 208 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Returned early from guess() after 51 queries.
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 29 ms 316 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 208 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 208 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -