| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 991088 |
2024-06-01T09:04:34 Z |
fv3 |
Combo (IOI18_combo) |
C++14 |
|
20 ms |
2036 KB |
#include <bits/stdc++.h>
#include "combo.h"
using namespace std;
typedef long long ll;
string guess_sequence(int N)
{
char first;
string sequence = "";
if (press("AB"))
first = (press("A") ? 'A' : 'B');
else
first = (press("X") ? 'X' : 'Y');
sequence += first;
// q = 2
if (N == 1)
return sequence;
char c[3] = {'A', 'B', 'X'};
if (first == 'A') c[0] = 'Y';
else if (first == 'B') c[1] = 'Y';
else if (first == 'X') c[2] = 'Y';
for (int i = 1; i < N - 1; i++)
{
string s = sequence + c[0] + c[0] + sequence + c[0] + c[1] + sequence + c[0] + c[2] + sequence + c[1];
int n = press(s);
if (n == (int)sequence.size()) sequence += c[2];
else if (n == (int)sequence.size() + 1) sequence += c[1];
else sequence += c[0];
}
// q = N
if (press(sequence + c[0] + sequence + c[1]) == N)
sequence += (press(sequence + c[0]) == N ? c[0] : c[1]);
else
sequence += c[2];
return sequence;
}
// Let A be the first letter
// Guess the following:
// AXB AXX AXY AY
// N = 3 -> X
// N = 2 -> Y
// N = 1 -> B
//
// Using this strategy I can find all letters in sequence up to N - 1 in N guesses:
// I can find the last value in 2 guesses
//
// Why doesn't it go through?
// It passes all my test cases
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
0 ms |
344 KB |
Output is correct |
| 4 |
Correct |
1 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
0 ms |
344 KB |
Output is correct |
| 8 |
Correct |
0 ms |
344 KB |
Output is correct |
| 9 |
Correct |
0 ms |
344 KB |
Output is correct |
| 10 |
Correct |
0 ms |
344 KB |
Output is correct |
| 11 |
Correct |
0 ms |
380 KB |
Output is correct |
| 12 |
Correct |
0 ms |
344 KB |
Output is correct |
| 13 |
Correct |
0 ms |
344 KB |
Output is correct |
| 14 |
Correct |
0 ms |
344 KB |
Output is correct |
| 15 |
Correct |
0 ms |
344 KB |
Output is correct |
| 16 |
Correct |
0 ms |
344 KB |
Output is correct |
| 17 |
Correct |
0 ms |
344 KB |
Output is correct |
| 18 |
Correct |
1 ms |
344 KB |
Output is correct |
| 19 |
Correct |
0 ms |
344 KB |
Output is correct |
| 20 |
Correct |
0 ms |
344 KB |
Output is correct |
| 21 |
Correct |
0 ms |
344 KB |
Output is correct |
| 22 |
Correct |
0 ms |
344 KB |
Output is correct |
| 23 |
Correct |
0 ms |
344 KB |
Output is correct |
| 24 |
Correct |
1 ms |
344 KB |
Output is correct |
| 25 |
Correct |
0 ms |
344 KB |
Output is correct |
| 26 |
Correct |
0 ms |
344 KB |
Output is correct |
| 27 |
Correct |
0 ms |
344 KB |
Output is correct |
| 28 |
Correct |
0 ms |
344 KB |
Output is correct |
| 29 |
Correct |
0 ms |
344 KB |
Output is correct |
| 30 |
Correct |
0 ms |
344 KB |
Output is correct |
| 31 |
Correct |
0 ms |
344 KB |
Output is correct |
| 32 |
Correct |
0 ms |
344 KB |
Output is correct |
| 33 |
Correct |
0 ms |
344 KB |
Output is correct |
| 34 |
Correct |
0 ms |
344 KB |
Output is correct |
| 35 |
Correct |
0 ms |
344 KB |
Output is correct |
| 36 |
Correct |
0 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
0 ms |
344 KB |
Output is correct |
| 4 |
Correct |
0 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
0 ms |
344 KB |
Output is correct |
| 8 |
Correct |
0 ms |
344 KB |
Output is correct |
| 9 |
Correct |
0 ms |
344 KB |
Output is correct |
| 10 |
Correct |
0 ms |
344 KB |
Output is correct |
| 11 |
Correct |
0 ms |
344 KB |
Output is correct |
| 12 |
Correct |
0 ms |
344 KB |
Output is correct |
| 13 |
Correct |
0 ms |
344 KB |
Output is correct |
| 14 |
Correct |
0 ms |
344 KB |
Output is correct |
| 15 |
Correct |
0 ms |
344 KB |
Output is correct |
| 16 |
Correct |
0 ms |
344 KB |
Output is correct |
| 17 |
Correct |
13 ms |
716 KB |
Output is correct |
| 18 |
Correct |
14 ms |
484 KB |
Output is correct |
| 19 |
Correct |
14 ms |
484 KB |
Output is correct |
| 20 |
Correct |
20 ms |
1888 KB |
Output is correct |
| 21 |
Correct |
14 ms |
652 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
0 ms |
344 KB |
Output is correct |
| 24 |
Correct |
1 ms |
344 KB |
Output is correct |
| 25 |
Correct |
1 ms |
344 KB |
Output is correct |
| 26 |
Correct |
1 ms |
344 KB |
Output is correct |
| 27 |
Correct |
1 ms |
344 KB |
Output is correct |
| 28 |
Correct |
1 ms |
344 KB |
Output is correct |
| 29 |
Correct |
1 ms |
344 KB |
Output is correct |
| 30 |
Correct |
2 ms |
344 KB |
Output is correct |
| 31 |
Correct |
2 ms |
600 KB |
Output is correct |
| 32 |
Correct |
15 ms |
592 KB |
Output is correct |
| 33 |
Correct |
17 ms |
1564 KB |
Output is correct |
| 34 |
Correct |
15 ms |
620 KB |
Output is correct |
| 35 |
Correct |
20 ms |
692 KB |
Output is correct |
| 36 |
Correct |
14 ms |
712 KB |
Output is correct |
| 37 |
Correct |
14 ms |
584 KB |
Output is correct |
| 38 |
Correct |
14 ms |
1712 KB |
Output is correct |
| 39 |
Correct |
16 ms |
924 KB |
Output is correct |
| 40 |
Correct |
19 ms |
512 KB |
Output is correct |
| 41 |
Correct |
17 ms |
628 KB |
Output is correct |
| 42 |
Correct |
14 ms |
600 KB |
Output is correct |
| 43 |
Correct |
14 ms |
2036 KB |
Output is correct |
| 44 |
Correct |
16 ms |
812 KB |
Output is correct |
| 45 |
Correct |
14 ms |
1532 KB |
Output is correct |
| 46 |
Correct |
13 ms |
720 KB |
Output is correct |
| 47 |
Correct |
15 ms |
692 KB |
Output is correct |
| 48 |
Correct |
16 ms |
1224 KB |
Output is correct |
| 49 |
Correct |
17 ms |
600 KB |
Output is correct |
| 50 |
Correct |
16 ms |
1712 KB |
Output is correct |
| 51 |
Correct |
19 ms |
528 KB |
Output is correct |
| 52 |
Correct |
16 ms |
696 KB |
Output is correct |
| 53 |
Correct |
19 ms |
480 KB |
Output is correct |
| 54 |
Correct |
17 ms |
720 KB |
Output is correct |
| 55 |
Correct |
16 ms |
636 KB |
Output is correct |
| 56 |
Correct |
14 ms |
680 KB |
Output is correct |
| 57 |
Correct |
17 ms |
888 KB |
Output is correct |
| 58 |
Correct |
14 ms |
600 KB |
Output is correct |
| 59 |
Correct |
14 ms |
648 KB |
Output is correct |
| 60 |
Correct |
14 ms |
748 KB |
Output is correct |
| 61 |
Correct |
14 ms |
696 KB |
Output is correct |
| 62 |
Correct |
15 ms |
1364 KB |
Output is correct |
| 63 |
Correct |
16 ms |
724 KB |
Output is correct |
| 64 |
Correct |
16 ms |
484 KB |
Output is correct |
| 65 |
Correct |
12 ms |
584 KB |
Output is correct |
| 66 |
Correct |
17 ms |
668 KB |
Output is correct |
| 67 |
Correct |
13 ms |
1208 KB |
Output is correct |
| 68 |
Correct |
14 ms |
568 KB |
Output is correct |
| 69 |
Correct |
17 ms |
600 KB |
Output is correct |
| 70 |
Correct |
18 ms |
492 KB |
Output is correct |
| 71 |
Correct |
18 ms |
668 KB |
Output is correct |
| 72 |
Correct |
15 ms |
768 KB |
Output is correct |
| 73 |
Correct |
16 ms |
616 KB |
Output is correct |
| 74 |
Correct |
14 ms |
1216 KB |
Output is correct |
| 75 |
Correct |
18 ms |
748 KB |
Output is correct |
| 76 |
Correct |
13 ms |
712 KB |
Output is correct |
| 77 |
Correct |
16 ms |
728 KB |
Output is correct |
| 78 |
Correct |
0 ms |
344 KB |
Output is correct |
| 79 |
Correct |
0 ms |
344 KB |
Output is correct |
| 80 |
Correct |
0 ms |
344 KB |
Output is correct |
| 81 |
Correct |
0 ms |
344 KB |
Output is correct |
| 82 |
Correct |
1 ms |
344 KB |
Output is correct |
| 83 |
Correct |
0 ms |
344 KB |
Output is correct |
| 84 |
Correct |
0 ms |
344 KB |
Output is correct |
| 85 |
Correct |
1 ms |
340 KB |
Output is correct |
| 86 |
Correct |
1 ms |
344 KB |
Output is correct |
| 87 |
Correct |
1 ms |
344 KB |
Output is correct |
| 88 |
Correct |
0 ms |
344 KB |
Output is correct |
| 89 |
Correct |
0 ms |
344 KB |
Output is correct |
| 90 |
Correct |
1 ms |
344 KB |
Output is correct |
| 91 |
Correct |
0 ms |
344 KB |
Output is correct |
| 92 |
Correct |
0 ms |
344 KB |
Output is correct |
| 93 |
Correct |
1 ms |
344 KB |
Output is correct |
| 94 |
Correct |
1 ms |
344 KB |
Output is correct |
| 95 |
Correct |
0 ms |
344 KB |
Output is correct |
| 96 |
Correct |
1 ms |
344 KB |
Output is correct |
| 97 |
Correct |
0 ms |
344 KB |
Output is correct |
| 98 |
Correct |
1 ms |
344 KB |
Output is correct |
| 99 |
Correct |
0 ms |
344 KB |
Output is correct |
| 100 |
Correct |
1 ms |
344 KB |
Output is correct |
| 101 |
Correct |
1 ms |
344 KB |
Output is correct |
| 102 |
Correct |
1 ms |
440 KB |
Output is correct |
| 103 |
Correct |
0 ms |
344 KB |
Output is correct |
| 104 |
Correct |
1 ms |
344 KB |
Output is correct |
| 105 |
Correct |
0 ms |
344 KB |
Output is correct |
| 106 |
Correct |
0 ms |
344 KB |
Output is correct |
| 107 |
Correct |
1 ms |
344 KB |
Output is correct |
| 108 |
Correct |
0 ms |
344 KB |
Output is correct |
| 109 |
Correct |
0 ms |
344 KB |
Output is correct |
| 110 |
Correct |
0 ms |
344 KB |
Output is correct |
| 111 |
Correct |
0 ms |
340 KB |
Output is correct |
| 112 |
Correct |
0 ms |
344 KB |
Output is correct |
| 113 |
Correct |
0 ms |
344 KB |
Output is correct |
| 114 |
Correct |
0 ms |
344 KB |
Output is correct |
| 115 |
Correct |
1 ms |
344 KB |
Output is correct |
| 116 |
Correct |
0 ms |
344 KB |
Output is correct |
| 117 |
Correct |
1 ms |
344 KB |
Output is correct |
| 118 |
Correct |
0 ms |
344 KB |
Output is correct |
| 119 |
Correct |
0 ms |
344 KB |
Output is correct |
| 120 |
Correct |
1 ms |
340 KB |
Output is correct |
| 121 |
Correct |
1 ms |
344 KB |
Output is correct |
| 122 |
Correct |
0 ms |
344 KB |
Output is correct |
| 123 |
Correct |
0 ms |
344 KB |
Output is correct |
