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Submission #964340

# Submission time Handle Problem Language Result Execution time Memory
964340 2024-04-16T16:37:50 Z BestCrazyNoob Combo (IOI18_combo) C++17
100 / 100
 17 ms 1760 KB 
#include "combo.h"

using namespace std;

string guess_sequence(int N) {
    char map[] = {'A', 'B', 'X', 'Y'};
    string ans = "";

    // Determine first letter
    int first_idx;
    if (press("AB")) {
        if (press("A")) first_idx = 0;
        else first_idx = 1;
    } else {
        if (press("X")) first_idx = 2;
        else first_idx = 3;
    }
    swap(map[0], map[first_idx]);
    ans += map[0];
    if (N == 1) return ans;

    // Add letters form 1 to n-2
    for (int i = 1; i < N-1; i++) {
        int res =  press(ans + map[2] + ans + map[3] + map[1] + ans + map[3] + map[2] + ans + map[3] + map[3]);
        if (res == i) ans += map[1];
        else if (res == i+1) ans += map[2];
        else if (res == i+2) ans += map[3];
        else abort();
    }
    // add last letter
    if (press(ans + map[1]) == N) ans += map[1];
    else if (press(ans + map[2]) == N) ans += map[2];
    else ans += map[3];

    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 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 340 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 1 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 1 ms 344 KB Output is correct
33 Correct 1 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 348 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 1 ms 504 KB Output is correct
3 Correct 1 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 1 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 1532 KB Output is correct
18 Correct 14 ms 1348 KB Output is correct
19 Correct 13 ms 1212 KB Output is correct
20 Correct 14 ms 1128 KB Output is correct
21 Correct 13 ms 1216 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 416 KB Output is correct
24 Correct 1 ms 420 KB Output is correct
25 Correct 1 ms 616 KB Output is correct
26 Correct 1 ms 432 KB Output is correct
27 Correct 1 ms 428 KB Output is correct
28 Correct 1 ms 452 KB Output is correct
29 Correct 1 ms 608 KB Output is correct
30 Correct 1 ms 428 KB Output is correct
31 Correct 1 ms 676 KB Output is correct
32 Correct 14 ms 1596 KB Output is correct
33 Correct 14 ms 1148 KB Output is correct
34 Correct 12 ms 1468 KB Output is correct
35 Correct 12 ms 1592 KB Output is correct
36 Correct 13 ms 1376 KB Output is correct
37 Correct 14 ms 1244 KB Output is correct
38 Correct 12 ms 1624 KB Output is correct
39 Correct 14 ms 1656 KB Output is correct
40 Correct 15 ms 1596 KB Output is correct
41 Correct 14 ms 1276 KB Output is correct
42 Correct 14 ms 1540 KB Output is correct
43 Correct 12 ms 1372 KB Output is correct
44 Correct 13 ms 1396 KB Output is correct
45 Correct 14 ms 1224 KB Output is correct
46 Correct 11 ms 1056 KB Output is correct
47 Correct 12 ms 1184 KB Output is correct
48 Correct 13 ms 1472 KB Output is correct
49 Correct 14 ms 1464 KB Output is correct
50 Correct 12 ms 1452 KB Output is correct
51 Correct 14 ms 1380 KB Output is correct
52 Correct 11 ms 1728 KB Output is correct
53 Correct 14 ms 1264 KB Output is correct
54 Correct 12 ms 1228 KB Output is correct
55 Correct 13 ms 1200 KB Output is correct
56 Correct 13 ms 1464 KB Output is correct
57 Correct 14 ms 1452 KB Output is correct
58 Correct 13 ms 1736 KB Output is correct
59 Correct 13 ms 1400 KB Output is correct
60 Correct 13 ms 1488 KB Output is correct
61 Correct 17 ms 1660 KB Output is correct
62 Correct 15 ms 1212 KB Output is correct
63 Correct 14 ms 1420 KB Output is correct
64 Correct 13 ms 1252 KB Output is correct
65 Correct 12 ms 1576 KB Output is correct
66 Correct 15 ms 1256 KB Output is correct
67 Correct 13 ms 1676 KB Output is correct
68 Correct 15 ms 1712 KB Output is correct
69 Correct 13 ms 1760 KB Output is correct
70 Correct 12 ms 1652 KB Output is correct
71 Correct 15 ms 1460 KB Output is correct
72 Correct 14 ms 1356 KB Output is correct
73 Correct 15 ms 1216 KB Output is correct
74 Correct 12 ms 1524 KB Output is correct
75 Correct 13 ms 1452 KB Output is correct
76 Correct 15 ms 1544 KB Output is correct
77 Correct 13 ms 1420 KB Output is correct
78 Correct 0 ms 344 KB Output is correct
79 Correct 0 ms 344 KB Output is correct
80 Correct 1 ms 516 KB Output is correct
81 Correct 0 ms 344 KB Output is correct
82 Correct 1 ms 344 KB Output is correct
83 Correct 1 ms 344 KB Output is correct
84 Correct 0 ms 420 KB Output is correct
85 Correct 1 ms 424 KB Output is correct
86 Correct 1 ms 520 KB Output is correct
87 Correct 1 ms 428 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 588 KB Output is correct
92 Correct 1 ms 344 KB Output is correct
93 Correct 1 ms 344 KB Output is correct
94 Correct 1 ms 428 KB Output is correct
95 Correct 1 ms 416 KB Output is correct
96 Correct 0 ms 424 KB Output is correct
97 Correct 1 ms 660 KB Output is correct
98 Correct 0 ms 420 KB Output is correct
99 Correct 1 ms 684 KB Output is correct
100 Correct 1 ms 344 KB Output is correct
101 Correct 1 ms 424 KB Output is correct
102 Correct 1 ms 424 KB Output is correct
103 Correct 1 ms 424 KB Output is correct
104 Correct 1 ms 420 KB Output is correct
105 Correct 0 ms 420 KB Output is correct
106 Correct 0 ms 344 KB Output is correct
107 Correct 0 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 344 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 596 KB Output is correct
116 Correct 1 ms 344 KB Output is correct
117 Correct 0 ms 344 KB Output is correct
118 Correct 0 ms 424 KB Output is correct
119 Correct 1 ms 428 KB Output is correct
120 Correct 0 ms 424 KB Output is correct
121 Correct 1 ms 500 KB Output is correct
122 Correct 1 ms 676 KB Output is correct
123 Correct 1 ms 428 KB Output is correct