oj.uz

Submission #939399

# Submission time Handle Problem Language Result Execution time Memory
939399 2024-03-06T10:27:05 Z ifateen Combo (IOI18_combo) C++14
100 / 100
 15 ms 1772 KB 
#include <bits/stdc++.h>
#include "combo.h"
using namespace std;

string guess_sequence(int N) {
    string ans;
    vector<string> possible = {"A", "B", "X", "Y"};
    // A
    if (press("AB")) {
        if (press("A")) ans += 'A', possible = {"B", "X", "Y", "A"};
        else ans += 'B', possible = {"A", "X", "Y", "B"};
    } else {
        if (press("X")) ans += 'X', possible = {"A", "B", "Y", "X"};
        else ans += 'Y';
    }
    while (ans.size() < N - 1) {
        string query = ans + possible[1] + ans + possible[2] + possible[0] + ans + possible[2] + possible[1] + ans + possible[2] + possible[2];
        int ret = press(query);
        if (ret == ans.size()) {
            ans += possible[0];
        } else if (ret == ans.size() + 1) {
            ans += possible[1];
        } else {
            ans += possible[2];
        }
    }
    if (ans.size() == N) return ans;
    int zero = press(ans + possible[0]);
    if (zero == N) return (ans += possible[0]);
    int one = press(ans + possible[1]);
    if (one == N) return (ans += possible[1]);
    return (ans += possible[2]);
}

Compilation message

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:16:23: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   16 |     while (ans.size() < N - 1) {
      |            ~~~~~~~~~~~^~~~~~~
combo.cpp:19:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |         if (ret == ans.size()) {
      |             ~~~~^~~~~~~~~~~~~
combo.cpp:21:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |         } else if (ret == ans.size() + 1) {
      |                    ~~~~^~~~~~~~~~~~~~~~~
combo.cpp:27:20: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   27 |     if (ans.size() == N) 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 1 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 1 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 1 ms 344 KB Output is correct
28 Correct 1 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 1 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

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 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 540 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 1 ms 344 KB Output is correct
17 Correct 12 ms 1224 KB Output is correct
18 Correct 10 ms 1580 KB Output is correct
19 Correct 10 ms 1180 KB Output is correct
20 Correct 11 ms 1384 KB Output is correct
21 Correct 10 ms 1352 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 440 KB Output is correct
24 Correct 1 ms 432 KB Output is correct
25 Correct 1 ms 676 KB Output is correct
26 Correct 1 ms 696 KB Output is correct
27 Correct 1 ms 444 KB Output is correct
28 Correct 1 ms 672 KB Output is correct
29 Correct 1 ms 952 KB Output is correct
30 Correct 1 ms 696 KB Output is correct
31 Correct 1 ms 696 KB Output is correct
32 Correct 10 ms 1220 KB Output is correct
33 Correct 10 ms 1212 KB Output is correct
34 Correct 11 ms 1612 KB Output is correct
35 Correct 10 ms 1232 KB Output is correct
36 Correct 11 ms 1348 KB Output is correct
37 Correct 12 ms 1100 KB Output is correct
38 Correct 10 ms 1224 KB Output is correct
39 Correct 12 ms 1160 KB Output is correct
40 Correct 11 ms 1088 KB Output is correct
41 Correct 11 ms 1040 KB Output is correct
42 Correct 10 ms 1576 KB Output is correct
43 Correct 11 ms 1588 KB Output is correct
44 Correct 10 ms 856 KB Output is correct
45 Correct 12 ms 1260 KB Output is correct
46 Correct 11 ms 1368 KB Output is correct
47 Correct 10 ms 1592 KB Output is correct
48 Correct 13 ms 1428 KB Output is correct
49 Correct 11 ms 1772 KB Output is correct
50 Correct 11 ms 1748 KB Output is correct
51 Correct 11 ms 1224 KB Output is correct
52 Correct 11 ms 932 KB Output is correct
53 Correct 11 ms 1360 KB Output is correct
54 Correct 11 ms 1176 KB Output is correct
55 Correct 11 ms 1764 KB Output is correct
56 Correct 14 ms 1320 KB Output is correct
57 Correct 10 ms 976 KB Output is correct
58 Correct 13 ms 1128 KB Output is correct
59 Correct 15 ms 1208 KB Output is correct
60 Correct 14 ms 1380 KB Output is correct
61 Correct 11 ms 1544 KB Output is correct
62 Correct 12 ms 1220 KB Output is correct
63 Correct 10 ms 972 KB Output is correct
64 Correct 10 ms 1504 KB Output is correct
65 Correct 11 ms 1720 KB Output is correct
66 Correct 10 ms 1652 KB Output is correct
67 Correct 12 ms 1084 KB Output is correct
68 Correct 10 ms 1220 KB Output is correct
69 Correct 10 ms 1168 KB Output is correct
70 Correct 12 ms 1228 KB Output is correct
71 Correct 11 ms 1432 KB Output is correct
72 Correct 12 ms 1324 KB Output is correct
73 Correct 11 ms 1448 KB Output is correct
74 Correct 11 ms 1348 KB Output is correct
75 Correct 12 ms 1536 KB Output is correct
76 Correct 11 ms 1220 KB Output is correct
77 Correct 10 ms 1252 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 344 KB Output is correct
81 Correct 1 ms 344 KB Output is correct
82 Correct 1 ms 344 KB Output is correct
83 Correct 0 ms 436 KB Output is correct
84 Correct 1 ms 440 KB Output is correct
85 Correct 1 ms 432 KB Output is correct
86 Correct 0 ms 440 KB Output is correct
87 Correct 0 ms 436 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 0 ms 344 KB Output is correct
93 Correct 1 ms 436 KB Output is correct
94 Correct 0 ms 436 KB Output is correct
95 Correct 1 ms 436 KB Output is correct
96 Correct 1 ms 436 KB Output is correct
97 Correct 1 ms 432 KB Output is correct
98 Correct 0 ms 432 KB Output is correct
99 Correct 1 ms 440 KB Output is correct
100 Correct 1 ms 688 KB Output is correct
101 Correct 1 ms 436 KB Output is correct
102 Correct 1 ms 436 KB Output is correct
103 Correct 0 ms 440 KB Output is correct
104 Correct 1 ms 440 KB Output is correct
105 Correct 1 ms 432 KB Output is correct
106 Correct 1 ms 432 KB Output is correct
107 Correct 0 ms 344 KB Output is correct
108 Correct 1 ms 344 KB Output is correct
109 Correct 1 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 1 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 0 ms 344 KB Output is correct
116 Correct 0 ms 344 KB Output is correct
117 Correct 0 ms 440 KB Output is correct
118 Correct 0 ms 440 KB Output is correct
119 Correct 1 ms 432 KB Output is correct
120 Correct 1 ms 436 KB Output is correct
121 Correct 0 ms 440 KB Output is correct
122 Correct 1 ms 440 KB Output is correct
123 Correct 1 ms 692 KB Output is correct