oj.uz

Submission #76779

# Submission time Handle Problem Language Result Execution time Memory
76779 2018-09-17T17:59:24 Z MatheusLealV Combo (IOI18_combo) C++17
97 / 100
 50 ms 464 KB 
#include "combo.h"
#include <bits/stdc++.h>
using namespace std;

char c[4] = {'A', 'B', 'X', 'Y'};

string guess_sequence(int n)
{
  string pref;

  for(int i = 0; i < 3; i++)
  {
    string a;

    a.push_back(c[i]);

    if(press(a) == 1)
    {
      pref = a;

      break;
    }

    a.pop_back();
  }

  if(pref.empty()) pref.push_back(c[3]);

  for(int i = 0; i < 4; i++)
    if(c[i] == pref[0]) swap(c[i], c[0]);

  for(int j = 0; j < n - 2; j++)
  {
    string aux = pref + c[1] + pref + c[2] + c[3] + pref + c[2] + c[1] + pref + c[2] + c[2];

    int ans = press(aux);

    if(ans == pref.size() + 1) pref.push_back(c[1]);

    else if(ans == pref.size() + 2) pref.push_back(c[2]);

    else pref.push_back(c[3]);
  }

  if(n != 1)
  {
    for(int i = 1; i < 3; i++)
    {
      string aux = pref + c[i];

      if(press(aux) == pref.size() + 1)
      {
        return aux;
      }
    }

    pref += c[3];
  }

  return pref;
}

Compilation message

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:38:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |     if(ans == pref.size() + 1) pref.push_back(c[1]);
      |        ~~~~^~~~~~~~~~~~~~~~~~
combo.cpp:40:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |     else if(ans == pref.size() + 2) pref.push_back(c[2]);
      |             ~~~~^~~~~~~~~~~~~~~~~~
combo.cpp:51:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |       if(press(aux) == pref.size() + 1)
      |          ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 2 ms 200 KB Output is correct
3 Correct 1 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 244 KB Output is correct
8 Correct 1 ms 260 KB Output is correct
9 Correct 1 ms 200 KB Output is correct
10 Correct 1 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 2 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 1 ms 220 KB Output is correct
17 Correct 1 ms 200 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 1 ms 200 KB Output is correct
20 Correct 1 ms 200 KB Output is correct
21 Correct 1 ms 272 KB Output is correct
22 Correct 1 ms 200 KB Output is correct
23 Correct 1 ms 200 KB Output is correct
24 Correct 2 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 1 ms 200 KB Output is correct
28 Correct 1 ms 200 KB Output is correct
29 Correct 1 ms 200 KB Output is correct
30 Correct 1 ms 200 KB Output is correct
31 Correct 2 ms 220 KB Output is correct
32 Correct 1 ms 200 KB Output is correct
33 Correct 1 ms 200 KB Output is correct
34 Correct 1 ms 200 KB Output is correct
35 Correct 1 ms 200 KB Output is correct
36 Correct 1 ms 200 KB Output is correct

Subtask #2
92.0 / 95.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 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 1 ms 200 KB Output is correct
11 Partially correct 1 ms 200 KB Output is partially correct
12 Correct 2 ms 200 KB Output is correct
13 Partially correct 1 ms 200 KB Output is partially correct
14 Partially correct 1 ms 200 KB Output is partially correct
15 Correct 1 ms 200 KB Output is correct
16 Partially correct 1 ms 276 KB Output is partially correct
17 Partially correct 50 ms 400 KB Output is partially correct
18 Partially correct 43 ms 340 KB Output is partially correct
19 Correct 36 ms 420 KB Output is correct
20 Partially correct 40 ms 460 KB Output is partially correct
21 Correct 41 ms 452 KB Output is correct
22 Correct 2 ms 200 KB Output is correct
23 Partially correct 2 ms 200 KB Output is partially correct
24 Correct 2 ms 200 KB Output is correct
25 Correct 2 ms 200 KB Output is correct
26 Partially correct 3 ms 292 KB Output is partially correct
27 Correct 2 ms 200 KB Output is correct
28 Correct 2 ms 200 KB Output is correct
29 Partially correct 4 ms 200 KB Output is partially correct
30 Correct 5 ms 316 KB Output is correct
31 Correct 3 ms 300 KB Output is correct
32 Correct 35 ms 420 KB Output is correct
33 Correct 38 ms 384 KB Output is correct
34 Partially correct 20 ms 464 KB Output is partially correct
35 Correct 34 ms 344 KB Output is correct
36 Partially correct 36 ms 372 KB Output is partially correct
37 Correct 45 ms 412 KB Output is correct
38 Correct 39 ms 340 KB Output is correct
39 Partially correct 42 ms 456 KB Output is partially correct
40 Correct 28 ms 348 KB Output is correct
41 Partially correct 40 ms 364 KB Output is partially correct
42 Correct 34 ms 340 KB Output is correct
43 Correct 37 ms 452 KB Output is correct
44 Partially correct 34 ms 384 KB Output is partially correct
45 Partially correct 38 ms 340 KB Output is partially correct
46 Correct 34 ms 432 KB Output is correct
47 Correct 46 ms 344 KB Output is correct
48 Correct 37 ms 344 KB Output is correct
49 Correct 31 ms 456 KB Output is correct
50 Correct 42 ms 432 KB Output is correct
51 Correct 42 ms 340 KB Output is correct
52 Partially correct 25 ms 368 KB Output is partially correct
53 Correct 44 ms 416 KB Output is correct
54 Correct 36 ms 452 KB Output is correct
55 Correct 33 ms 344 KB Output is correct
56 Partially correct 36 ms 344 KB Output is partially correct
57 Partially correct 20 ms 376 KB Output is partially correct
58 Correct 41 ms 456 KB Output is correct
59 Correct 30 ms 436 KB Output is correct
60 Correct 39 ms 424 KB Output is correct
61 Correct 34 ms 340 KB Output is correct
62 Correct 45 ms 344 KB Output is correct
63 Correct 27 ms 344 KB Output is correct
64 Partially correct 28 ms 340 KB Output is partially correct
65 Partially correct 42 ms 336 KB Output is partially correct
66 Correct 45 ms 344 KB Output is correct
67 Correct 44 ms 340 KB Output is correct
68 Partially correct 29 ms 340 KB Output is partially correct
69 Partially correct 20 ms 344 KB Output is partially correct
70 Correct 39 ms 452 KB Output is correct
71 Correct 42 ms 348 KB Output is correct
72 Partially correct 27 ms 344 KB Output is partially correct
73 Partially correct 35 ms 344 KB Output is partially correct
74 Correct 38 ms 444 KB Output is correct
75 Correct 47 ms 456 KB Output is correct
76 Partially correct 19 ms 348 KB Output is partially correct
77 Partially correct 38 ms 436 KB Output is partially correct
78 Correct 1 ms 200 KB Output is correct
79 Correct 1 ms 200 KB Output is correct
80 Correct 1 ms 200 KB Output is correct
81 Partially correct 2 ms 200 KB Output is partially correct
82 Partially correct 1 ms 200 KB Output is partially correct
83 Correct 2 ms 200 KB Output is correct
84 Partially correct 2 ms 200 KB Output is partially correct
85 Correct 1 ms 200 KB Output is correct
86 Correct 1 ms 200 KB Output is correct
87 Partially correct 2 ms 200 KB Output is partially correct
88 Correct 1 ms 200 KB Output is correct
89 Correct 1 ms 200 KB Output is correct
90 Partially correct 1 ms 200 KB Output is partially correct
91 Partially correct 1 ms 200 KB Output is partially correct
92 Correct 1 ms 200 KB Output is correct
93 Correct 1 ms 200 KB Output is correct
94 Correct 1 ms 200 KB Output is correct
95 Correct 2 ms 200 KB Output is correct
96 Correct 2 ms 296 KB Output is correct
97 Correct 2 ms 292 KB Output is correct
98 Partially correct 2 ms 296 KB Output is partially correct
99 Partially correct 2 ms 200 KB Output is partially correct
100 Correct 2 ms 292 KB Output is correct
101 Correct 2 ms 200 KB Output is correct
102 Partially correct 2 ms 200 KB Output is partially correct
103 Partially correct 1 ms 312 KB Output is partially correct
104 Correct 2 ms 200 KB Output is correct
105 Correct 2 ms 292 KB Output is correct
106 Correct 1 ms 200 KB Output is correct
107 Correct 2 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 Partially correct 1 ms 200 KB Output is partially correct
111 Partially correct 1 ms 200 KB Output is partially 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 Partially correct 2 ms 200 KB Output is partially correct
116 Correct 2 ms 200 KB Output is correct
117 Correct 1 ms 200 KB Output is correct
118 Partially correct 2 ms 200 KB Output is partially correct
119 Partially correct 1 ms 200 KB Output is partially correct
120 Correct 1 ms 200 KB Output is correct
121 Correct 2 ms 292 KB Output is correct
122 Correct 2 ms 200 KB Output is correct
123 Correct 2 ms 200 KB Output is correct