oj.uz

Submission #1008236

# Submission time Handle Problem Language Result Execution time Memory
1008236 2024-06-26T08:33:38 Z aParrot Combo (IOI18_combo) C++14
100 / 100
 27 ms 1972 KB 
#include "bits/stdc++.h"
#include "combo.h"
using namespace std;

#define ll long long
#define vi vector<int>
#define pb push_back
#define coord pair<int, int>
const int MOD = 1e9 + 7;
const int MAXN = 1e3;
// int dp[MAXN];

string guess_sequence(int N) {
    // find first letter in 2 presses
    int res;
    res = press("AB");
    string f;
    if (res >= 1) {
        res = press("A");
        if (res == 1) {
            f = "A";
        } else {
            f = "B";
        }
    } else {
        res = press("X");
        if (res == 1) {
            f = "X";
        } else {
            f = "Y";
        }
    }

    if (N==1) {
      return f;
    }

    vector<string> chars = {"A", "B", "X", "Y"};
    chars.erase(find(chars.begin(), chars.end(), f));
    // cout << "left letters:" << endl;
    // for (string c : chars) {
    //   cout << c << endl;
    // }
    // cout << endl;

    string ans = f;
    for (int i=1; i<N-1; i++) {
        // chars has length 3
        // excluding last character from chars
        string g = ans + chars[0];
        g += ans + chars[1] + chars[0];
        g += ans + chars[1] + chars[1];
        g += ans + chars[1] + chars[2];
        res = press(g);
        if (res == (int)ans.length()) {
            ans += chars[2];
        } else if (res == (int)ans.length()+1) {
            ans += chars[0];
        } else {
            ans += chars[1];
        }
    }

    // guess last letter
    res = press(ans + chars[0] + ans + chars[1]);
    if (res == N) {
      res = press(ans + chars[0]);
      if (res == N) {
        ans += chars[0];
      } else {
        ans += chars[1];
      }
    } else {
      ans += chars[2];
    }

    // cout << "My answer: " << ans << endl;
    return ans;
}

Subtask #1
5.0 / 5.0

# 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 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 1 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 0 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 0 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 1 ms 344 KB Output is correct
36 Correct 0 ms 344 KB Output is correct

Subtask #2
95.0 / 95.0

# 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 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 596 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 16 ms 548 KB Output is correct
18 Correct 20 ms 872 KB Output is correct
19 Correct 16 ms 636 KB Output is correct
20 Correct 18 ms 1884 KB Output is correct
21 Correct 18 ms 760 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 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 456 KB Output is correct
28 Correct 1 ms 452 KB Output is correct
29 Correct 1 ms 452 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 2 ms 596 KB Output is correct
32 Correct 14 ms 668 KB Output is correct
33 Correct 15 ms 1612 KB Output is correct
34 Correct 22 ms 668 KB Output is correct
35 Correct 16 ms 528 KB Output is correct
36 Correct 22 ms 744 KB Output is correct
37 Correct 27 ms 752 KB Output is correct
38 Correct 23 ms 988 KB Output is correct
39 Correct 17 ms 860 KB Output is correct
40 Correct 18 ms 1124 KB Output is correct
41 Correct 16 ms 864 KB Output is correct
42 Correct 16 ms 748 KB Output is correct
43 Correct 17 ms 872 KB Output is correct
44 Correct 18 ms 752 KB Output is correct
45 Correct 17 ms 1544 KB Output is correct
46 Correct 19 ms 740 KB Output is correct
47 Correct 18 ms 732 KB Output is correct
48 Correct 20 ms 700 KB Output is correct
49 Correct 19 ms 752 KB Output is correct
50 Correct 15 ms 1304 KB Output is correct
51 Correct 16 ms 752 KB Output is correct
52 Correct 16 ms 700 KB Output is correct
53 Correct 16 ms 596 KB Output is correct
54 Correct 19 ms 752 KB Output is correct
55 Correct 15 ms 1420 KB Output is correct
56 Correct 16 ms 768 KB Output is correct
57 Correct 17 ms 604 KB Output is correct
58 Correct 13 ms 648 KB Output is correct
59 Correct 15 ms 772 KB Output is correct
60 Correct 17 ms 1504 KB Output is correct
61 Correct 17 ms 848 KB Output is correct
62 Correct 18 ms 800 KB Output is correct
63 Correct 19 ms 1004 KB Output is correct
64 Correct 15 ms 736 KB Output is correct
65 Correct 15 ms 1836 KB Output is correct
66 Correct 18 ms 812 KB Output is correct
67 Correct 15 ms 516 KB Output is correct
68 Correct 18 ms 720 KB Output is correct
69 Correct 14 ms 1972 KB Output is correct
70 Correct 16 ms 520 KB Output is correct
71 Correct 16 ms 980 KB Output is correct
72 Correct 14 ms 552 KB Output is correct
73 Correct 17 ms 720 KB Output is correct
74 Correct 18 ms 524 KB Output is correct
75 Correct 14 ms 748 KB Output is correct
76 Correct 13 ms 1664 KB Output is correct
77 Correct 15 ms 748 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 0 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 344 KB Output is correct
86 Correct 0 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 0 ms 344 KB Output is correct
91 Correct 0 ms 344 KB Output is correct
92 Correct 1 ms 344 KB Output is correct
93 Correct 0 ms 344 KB Output is correct
94 Correct 0 ms 344 KB Output is correct
95 Correct 0 ms 344 KB Output is correct
96 Correct 0 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 1 ms 344 KB Output is correct
100 Correct 0 ms 344 KB Output is correct
101 Correct 1 ms 344 KB Output is correct
102 Correct 0 ms 344 KB Output is correct
103 Correct 0 ms 344 KB Output is correct
104 Correct 0 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 0 ms 344 KB Output is correct
108 Correct 1 ms 344 KB Output is correct
109 Correct 0 ms 344 KB Output is correct
110 Correct 0 ms 596 KB Output is correct
111 Correct 0 ms 344 KB Output is correct
112 Correct 0 ms 344 KB Output is correct
113 Correct 0 ms 340 KB Output is correct
114 Correct 0 ms 344 KB Output is correct
115 Correct 1 ms 344 KB Output is correct
116 Correct 1 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 344 KB Output is correct
121 Correct 0 ms 432 KB Output is correct
122 Correct 1 ms 344 KB Output is correct
123 Correct 0 ms 344 KB Output is correct