oj.uz

Submission #336926

# Submission time Handle Problem Language Result Execution time Memory
336926 2020-12-17T10:53:05 Z blue Combo (IOI18_combo) C++11
100 / 100
 64 ms 672 KB 
#include "combo.h"
#include <iostream>
#include <string>
#include <vector>
using namespace std;

/*int press(string S)
{
    cout << S << '\n';
    int res;
    cin >> res;
    return res;
}*/

string guess_sequence(int N)
{
    string res;
    if(press("AB") >= 1) res = (press("A") == 1 ? "A" : "B");
    else res = (press("X") == 1 ? "X" : "Y");

    if(N == 1) return res;

    string query;
    int query_res;

    vector<string> C;
    for(string t: {"A", "B", "X", "Y"}) if(t != res) C.push_back(t);

    while(res.size() < N-1)
    {
        query.clear();
        query = (res + C[0]) + (res + C[1] + C[0]) + (res + C[1] + C[1]) + (res + C[1] + C[2]);

        query_res = press(query);
        if(query_res == res.size()) res += C[2];
        else if(query_res == res.size() + 1) res += C[0];
        else res += C[1];
    }

    if(press(res + C[0] + res + C[1]) == res.size()) res += C[2];
    else
    {
        if(press(res + C[0]) == res.size() + 1) res += C[0];
        else res += C[1];
    }
    return res;
}

/*int main()
{
    int N;
    cin >> N;

    string S;
    cin >> S;

    cout << guess_sequence(N) << '\n';
}*/

Compilation message

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:29:22: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   29 |     while(res.size() < N-1)
      |           ~~~~~~~~~~~^~~~~
combo.cpp:35:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |         if(query_res == res.size()) res += C[2];
      |            ~~~~~~~~~~^~~~~~~~~~~~~
combo.cpp:36:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |         else if(query_res == res.size() + 1) res += C[0];
      |                 ~~~~~~~~~~^~~~~~~~~~~~~~~~~
combo.cpp:40:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |     if(press(res + C[0] + res + C[1]) == res.size()) res += C[2];
      |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
combo.cpp:43:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |         if(press(res + C[0]) == res.size() + 1) res += C[0];
      |            ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 240 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 1 ms 200 KB Output is correct
9 Correct 1 ms 200 KB Output is correct
10 Correct 0 ms 200 KB Output is correct
11 Correct 1 ms 200 KB Output is correct
12 Correct 1 ms 200 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 0 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 1 ms 200 KB Output is correct
17 Correct 1 ms 200 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 0 ms 200 KB Output is correct
20 Correct 1 ms 200 KB Output is correct
21 Correct 1 ms 200 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 1 ms 200 KB Output is correct
24 Correct 1 ms 200 KB Output is correct
25 Correct 1 ms 200 KB Output is correct
26 Correct 1 ms 200 KB Output is correct
27 Correct 0 ms 200 KB Output is correct
28 Correct 1 ms 200 KB Output is correct
29 Correct 0 ms 200 KB Output is correct
30 Correct 1 ms 200 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 0 ms 200 KB Output is correct
33 Correct 0 ms 200 KB Output is correct
34 Correct 1 ms 256 KB Output is correct
35 Correct 1 ms 200 KB Output is correct
36 Correct 1 ms 200 KB Output is correct

Subtask #2
95.0 / 95.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 200 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 1 ms 200 KB Output is correct
9 Correct 1 ms 200 KB Output is correct
10 Correct 0 ms 200 KB Output is correct
11 Correct 1 ms 200 KB Output is correct
12 Correct 1 ms 200 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 236 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 1 ms 200 KB Output is correct
17 Correct 23 ms 564 KB Output is correct
18 Correct 43 ms 488 KB Output is correct
19 Correct 50 ms 612 KB Output is correct
20 Correct 45 ms 548 KB Output is correct
21 Correct 39 ms 560 KB Output is correct
22 Correct 1 ms 200 KB Output is correct
23 Correct 1 ms 352 KB Output is correct
24 Correct 1 ms 288 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 2 ms 292 KB Output is correct
27 Correct 2 ms 328 KB Output is correct
28 Correct 3 ms 348 KB Output is correct
29 Correct 2 ms 344 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 2 ms 328 KB Output is correct
32 Correct 43 ms 484 KB Output is correct
33 Correct 64 ms 484 KB Output is correct
34 Correct 43 ms 556 KB Output is correct
35 Correct 39 ms 568 KB Output is correct
36 Correct 40 ms 488 KB Output is correct
37 Correct 30 ms 484 KB Output is correct
38 Correct 40 ms 496 KB Output is correct
39 Correct 41 ms 484 KB Output is correct
40 Correct 33 ms 484 KB Output is correct
41 Correct 36 ms 488 KB Output is correct
42 Correct 56 ms 492 KB Output is correct
43 Correct 57 ms 548 KB Output is correct
44 Correct 52 ms 492 KB Output is correct
45 Correct 60 ms 504 KB Output is correct
46 Correct 47 ms 488 KB Output is correct
47 Correct 26 ms 488 KB Output is correct
48 Correct 37 ms 488 KB Output is correct
49 Correct 44 ms 548 KB Output is correct
50 Correct 35 ms 672 KB Output is correct
51 Correct 47 ms 588 KB Output is correct
52 Correct 38 ms 544 KB Output is correct
53 Correct 32 ms 488 KB Output is correct
54 Correct 40 ms 576 KB Output is correct
55 Correct 31 ms 488 KB Output is correct
56 Correct 40 ms 584 KB Output is correct
57 Correct 45 ms 560 KB Output is correct
58 Correct 28 ms 584 KB Output is correct
59 Correct 42 ms 552 KB Output is correct
60 Correct 25 ms 524 KB Output is correct
61 Correct 41 ms 612 KB Output is correct
62 Correct 34 ms 496 KB Output is correct
63 Correct 30 ms 540 KB Output is correct
64 Correct 24 ms 488 KB Output is correct
65 Correct 42 ms 648 KB Output is correct
66 Correct 30 ms 488 KB Output is correct
67 Correct 39 ms 600 KB Output is correct
68 Correct 53 ms 540 KB Output is correct
69 Correct 28 ms 492 KB Output is correct
70 Correct 25 ms 496 KB Output is correct
71 Correct 33 ms 492 KB Output is correct
72 Correct 35 ms 488 KB Output is correct
73 Correct 39 ms 488 KB Output is correct
74 Correct 28 ms 576 KB Output is correct
75 Correct 40 ms 564 KB Output is correct
76 Correct 36 ms 488 KB Output is correct
77 Correct 38 ms 492 KB Output is correct
78 Correct 1 ms 200 KB Output is correct
79 Correct 1 ms 200 KB Output is correct
80 Correct 0 ms 200 KB Output is correct
81 Correct 1 ms 200 KB Output is correct
82 Correct 1 ms 200 KB Output is correct
83 Correct 1 ms 200 KB Output is correct
84 Correct 1 ms 200 KB Output is correct
85 Correct 1 ms 200 KB Output is correct
86 Correct 1 ms 200 KB Output is correct
87 Correct 1 ms 256 KB Output is correct
88 Correct 0 ms 200 KB Output is correct
89 Correct 1 ms 200 KB Output is correct
90 Correct 0 ms 200 KB Output is correct
91 Correct 1 ms 200 KB Output is correct
92 Correct 1 ms 288 KB Output is correct
93 Correct 1 ms 256 KB Output is correct
94 Correct 1 ms 200 KB Output is correct
95 Correct 1 ms 200 KB Output is correct
96 Correct 1 ms 200 KB Output is correct
97 Correct 1 ms 200 KB Output is correct
98 Correct 2 ms 328 KB Output is correct
99 Correct 1 ms 200 KB Output is correct
100 Correct 1 ms 296 KB Output is correct
101 Correct 1 ms 200 KB Output is correct
102 Correct 1 ms 200 KB Output is correct
103 Correct 1 ms 292 KB Output is correct
104 Correct 2 ms 200 KB Output is correct
105 Correct 1 ms 200 KB Output is correct
106 Correct 1 ms 352 KB Output is correct
107 Correct 1 ms 200 KB Output is correct
108 Correct 1 ms 200 KB Output is correct
109 Correct 1 ms 200 KB Output is correct
110 Correct 1 ms 200 KB Output is correct
111 Correct 0 ms 200 KB Output is correct
112 Correct 1 ms 200 KB Output is correct
113 Correct 2 ms 200 KB Output is correct
114 Correct 1 ms 200 KB Output is correct
115 Correct 1 ms 200 KB Output is correct
116 Correct 1 ms 200 KB Output is correct
117 Correct 1 ms 200 KB Output is correct
118 Correct 1 ms 200 KB Output is correct
119 Correct 1 ms 296 KB Output is correct
120 Correct 1 ms 296 KB Output is correct
121 Correct 1 ms 256 KB Output is correct
122 Correct 1 ms 200 KB Output is correct
123 Correct 1 ms 292 KB Output is correct