oj.uz

Submission #742257

# Submission time Handle Problem Language Result Execution time Memory
742257 2023-05-16T02:45:44 Z Osplei Combo (IOI18_combo) C++17
5 / 100
 1 ms 240 KB 
#include "combo.h"

using namespace std;

string guess_sequence(int N) {
  string p = "";
  
  p="AB";
  int coins = press(p);
  
  if (coins!=0) {
    p="A";
    coins = press(p);

    if (coins==0) p="B";
  } else {
    p="X";
    coins = press(p);

    if (coins==0) p="Y";
  }

  string S = p;

  if (p=="A"){

    while ((int) S.size() != N-1){
      p=S;
      p+='B';
      p+=S;
      p+="XX";
      p+=S;
      p+="XB";
      p+=S;
      p+="XY";

      coins = press(p);

      if (coins == (int) S.size()) S+='Y';
      else if (coins == (int) S.size()+1) S+='B';
      else S+='X';

    }

    p=S;

    p+='B';
    coins = press(p);
    if (coins == N) S+='B';
    else {
      p=S;
      p+='X';
      coins = press(p);
      if (coins == N) S+='X';
      else S+='Y';
    }
    
  } else if (p=="B"){

    while ((int) S.size() != N-1){
      p=S;
      p+='A';
      p+=S;
      p+="XX";
      p+=S;
      p+="XA";
      p+=S;
      p+="XY";

      coins = press(p);

      if (coins == (int) S.size()) S+='Y';
      else if (coins == (int) S.size()+1) S+='A';
      else S+='X';

    }

    p=S;

    p+='A';
    coins = press(p);
    if (coins == N) S+='A';
    else {
      p=S;
      p+='X';
      coins = press(p);
      if (coins == N) S+='X';
      else S+='Y';
    }

  } else if (p=="X"){
    
    while ((int) S.size() != N-1){
      p=S;
      p+='B';
      p+=S;
      p+="AA";
      p+=S;
      p+="AB";
      p+=S;
      p+="AY";

      coins = press(p);

      if (coins == (int) S.size()) S+='Y';
      else if (coins == (int) S.size()+1) S+='B';
      else S+='A';

    }

    p=S;

    p+='B';
    coins = press(p);
    if (coins == N) S+='B';
    else {
      p=S;
      p+='A';
      coins = press(p);
      if (coins == N) S+='A';
      else S+='Y';
    }
    
  } else {
    
    while ((int) S.size() != N-1){
      p=S;
      p+='B';
      p+=S;
      p+="XX";
      p+=S;
      p+="XB";
      p+=S;
      p+="XA";

      coins = press(p);

      if (coins == (int) S.size()) S+='A';
      else if (coins == (int) S.size()+1) S+='B';
      else S+='X';

    }

    p=S;

    p+='B';
    coins = press(p);
    if (coins == N) S+='B';
    else {
      p=S;
      p+='X';
      coins = press(p);
      if (coins == N) S+='X';
      else S+='A';
    }

  }
  
  return S;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 240 KB Output is correct
6 Correct 0 ms 220 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 0 ms 208 KB Output is correct
11 Correct 0 ms 208 KB Output is correct
12 Correct 0 ms 208 KB Output is correct
13 Correct 0 ms 208 KB Output is correct
14 Correct 0 ms 208 KB Output is correct
15 Correct 0 ms 208 KB Output is correct
16 Correct 0 ms 208 KB Output is correct
17 Correct 0 ms 208 KB Output is correct
18 Correct 0 ms 208 KB Output is correct
19 Correct 1 ms 208 KB Output is correct
20 Correct 0 ms 208 KB Output is correct
21 Correct 1 ms 208 KB Output is correct
22 Correct 0 ms 208 KB Output is correct
23 Correct 0 ms 208 KB Output is correct
24 Correct 0 ms 208 KB Output is correct
25 Correct 0 ms 208 KB Output is correct
26 Correct 0 ms 208 KB Output is correct
27 Correct 0 ms 208 KB Output is correct
28 Correct 0 ms 208 KB Output is correct
29 Correct 0 ms 208 KB Output is correct
30 Correct 1 ms 208 KB Output is correct
31 Correct 0 ms 208 KB Output is correct
32 Correct 0 ms 208 KB Output is correct
33 Correct 0 ms 208 KB Output is correct
34 Correct 0 ms 208 KB Output is correct
35 Correct 0 ms 208 KB Output is correct
36 Correct 0 ms 208 KB Output is correct

Subtask #2
0 / 95.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Wrong Answer: invalid press
2 Halted 0 ms 0 KB -