oj.uz

Submission #939381

# Submission time Handle Problem Language Result Execution time Memory
939381 2024-03-06T10:11:05 Z ifateen Combo (IOI18_combo) C++14
97 / 100
 13 ms 1956 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"};
    int a = press("A");
    if (a) {
        possible = {"B", "X", "Y", "A"};
        ans += 'A';
    } else {
        int b = press("B");
        if (b) {
            possible = {"A", "X", "Y", "B"};
            ans += 'B';
        } else {
            int x = press("X");
            if (x) {
                possible = {"A", "B", "Y", "X"};
                ans += '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:27:23: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   27 |     while (ans.size() < N - 1) {
      |            ~~~~~~~~~~~^~~~~~~
combo.cpp:30:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |         if (ret == ans.size()) {
      |             ~~~~^~~~~~~~~~~~~
combo.cpp:32:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |         } else if (ret == ans.size() + 1) {
      |                    ~~~~^~~~~~~~~~~~~~~~~
combo.cpp:38:20: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   38 |     if (ans.size() == N) return ans;
      |         ~~~~~~~~~~~^~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 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 1 ms 344 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 1 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 0 ms 344 KB Output is correct
36 Correct 0 ms 344 KB Output is correct

Subtask #2
92.0 / 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 412 KB Output is correct
5 Correct 0 ms 596 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 412 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 Partially correct 0 ms 344 KB Output is partially correct
13 Partially correct 0 ms 344 KB Output is partially correct
14 Correct 0 ms 344 KB Output is correct
15 Partially correct 0 ms 344 KB Output is partially correct
16 Partially correct 0 ms 344 KB Output is partially correct
17 Correct 11 ms 1700 KB Output is correct
18 Correct 10 ms 1468 KB Output is correct
19 Correct 11 ms 1588 KB Output is correct
20 Partially correct 11 ms 1324 KB Output is partially correct
21 Partially correct 11 ms 1228 KB Output is partially correct
22 Correct 0 ms 344 KB Output is correct
23 Partially correct 0 ms 436 KB Output is partially correct
24 Correct 1 ms 436 KB Output is correct
25 Correct 1 ms 444 KB Output is correct
26 Correct 1 ms 448 KB Output is correct
27 Correct 1 ms 456 KB Output is correct
28 Correct 1 ms 696 KB Output is correct
29 Partially correct 1 ms 696 KB Output is partially correct
30 Correct 1 ms 440 KB Output is correct
31 Partially correct 1 ms 440 KB Output is partially correct
32 Partially correct 11 ms 1564 KB Output is partially correct
33 Correct 10 ms 1032 KB Output is correct
34 Correct 10 ms 1156 KB Output is correct
35 Partially correct 11 ms 1732 KB Output is partially correct
36 Partially correct 11 ms 1092 KB Output is partially correct
37 Correct 10 ms 1956 KB Output is correct
38 Partially correct 11 ms 1136 KB Output is partially correct
39 Correct 11 ms 1576 KB Output is correct
40 Correct 10 ms 1040 KB Output is correct
41 Partially correct 11 ms 1200 KB Output is partially correct
42 Correct 10 ms 972 KB Output is correct
43 Correct 10 ms 1716 KB Output is correct
44 Correct 11 ms 1656 KB Output is correct
45 Correct 11 ms 1628 KB Output is correct
46 Correct 11 ms 1000 KB Output is correct
47 Correct 10 ms 1324 KB Output is correct
48 Partially correct 10 ms 1284 KB Output is partially correct
49 Partially correct 11 ms 1356 KB Output is partially correct
50 Correct 12 ms 1476 KB Output is correct
51 Correct 11 ms 1476 KB Output is correct
52 Partially correct 10 ms 1496 KB Output is partially correct
53 Partially correct 12 ms 1784 KB Output is partially correct
54 Correct 11 ms 1240 KB Output is correct
55 Correct 11 ms 1412 KB Output is correct
56 Correct 11 ms 1452 KB Output is correct
57 Correct 11 ms 1640 KB Output is correct
58 Correct 11 ms 1292 KB Output is correct
59 Correct 11 ms 1476 KB Output is correct
60 Partially correct 10 ms 1428 KB Output is partially correct
61 Partially correct 11 ms 1220 KB Output is partially correct
62 Correct 10 ms 1140 KB Output is correct
63 Correct 10 ms 1308 KB Output is correct
64 Partially correct 13 ms 1568 KB Output is partially correct
65 Partially correct 10 ms 936 KB Output is partially correct
66 Correct 12 ms 1460 KB Output is correct
67 Correct 10 ms 1232 KB Output is correct
68 Partially correct 12 ms 1220 KB Output is partially correct
69 Correct 13 ms 1224 KB Output is correct
70 Correct 12 ms 1472 KB Output is correct
71 Correct 10 ms 968 KB Output is correct
72 Correct 13 ms 1192 KB Output is correct
73 Partially correct 12 ms 1220 KB Output is partially correct
74 Correct 11 ms 1348 KB Output is correct
75 Correct 11 ms 1100 KB Output is correct
76 Partially correct 10 ms 1364 KB Output is partially correct
77 Correct 12 ms 1520 KB Output is correct
78 Correct 0 ms 344 KB Output is correct
79 Partially correct 0 ms 344 KB Output is partially correct
80 Correct 0 ms 344 KB Output is correct
81 Partially correct 1 ms 344 KB Output is partially correct
82 Partially correct 0 ms 344 KB Output is partially correct
83 Correct 0 ms 428 KB Output is correct
84 Correct 0 ms 436 KB Output is correct
85 Partially correct 0 ms 436 KB Output is partially correct
86 Correct 0 ms 436 KB Output is correct
87 Partially correct 1 ms 600 KB Output is partially 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 436 KB Output is correct
94 Partially correct 0 ms 436 KB Output is partially correct
95 Partially correct 1 ms 684 KB Output is partially correct
96 Correct 1 ms 600 KB Output is correct
97 Correct 0 ms 436 KB Output is correct
98 Partially correct 1 ms 436 KB Output is partially correct
99 Partially correct 1 ms 440 KB Output is partially correct
100 Correct 1 ms 432 KB Output is correct
101 Correct 1 ms 432 KB Output is correct
102 Correct 0 ms 436 KB Output is correct
103 Correct 1 ms 436 KB Output is correct
104 Correct 1 ms 596 KB Output is correct
105 Correct 1 ms 440 KB Output is correct
106 Partially correct 1 ms 432 KB Output is partially correct
107 Partially correct 1 ms 344 KB Output is partially correct
108 Correct 0 ms 344 KB Output is correct
109 Correct 0 ms 344 KB Output is correct
110 Partially correct 0 ms 384 KB Output is partially correct
111 Partially correct 0 ms 344 KB Output is partially correct
112 Correct 0 ms 344 KB Output is correct
113 Correct 0 ms 344 KB Output is correct
114 Partially correct 0 ms 344 KB Output is partially correct
115 Partially correct 1 ms 344 KB Output is partially correct
116 Correct 0 ms 344 KB Output is correct
117 Correct 1 ms 436 KB Output is correct
118 Correct 0 ms 432 KB Output is correct
119 Partially correct 0 ms 436 KB Output is partially correct
120 Correct 0 ms 436 KB Output is correct
121 Correct 0 ms 432 KB Output is correct
122 Partially correct 1 ms 696 KB Output is partially correct
123 Partially correct 1 ms 436 KB Output is partially correct