oj.uz

Submission #79832

# Submission time Handle Problem Language Result Execution time Memory
79832 2018-10-16T17:17:37 Z muradeyn Combo (IOI18_combo) C++14
5 / 100
 2 ms 276 KB 
#include "combo.h"
#include <bits/stdc++.h>

using namespace std;

string guess_sequence(int N) {
    string res;
    vector<char>v;
    if (press("AB") >= 1) {
        if (press("A") == 1)res = "A";
        else res = "B";
    }
    else {
        if (press("X") == 1)res = "X";
        else res = "Y";
    }
    if (res[0] != 'X')v.push_back('X');
    if (res[0] != 'Y')v.push_back('Y');
    if (res[0] != 'A')v.push_back('A');
    if (res[0] != 'B')v.push_back('B');
    while (res.length() < N - 1) {
        string query = res + v[0] + res + v[1] + v[0] + res + v[1] + v[1] + res + v[1] + v[2];
        //cout<<query<<endl;
        int val = press(query);
        //cout<<val<<endl;
        if (val == res.length()+2)res += v[1];
        else if (val == res.length()+1)res += v[0];
        else res += v[2];
    }
    if (press(res + v[0]) == N)res += v[0];
    else if (press(res + v[1]) == N)res += v[1];
    else if (press(res + v[2]) == N)res += v[2];
    return res;
}

Compilation message

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:21:25: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   21 |     while (res.length() < N - 1) {
      |            ~~~~~~~~~~~~~^~~~~~~
combo.cpp:26:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |         if (val == res.length()+2)res += v[1];
      |             ~~~~^~~~~~~~~~~~~~~~~
combo.cpp:27:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |         else if (val == res.length()+1)res += v[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 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 260 KB Output is correct
9 Correct 1 ms 228 KB Output is correct
10 Correct 1 ms 200 KB Output is correct
11 Correct 1 ms 276 KB Output is correct
12 Correct 2 ms 248 KB Output is correct
13 Correct 1 ms 248 KB Output is correct
14 Correct 1 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 1 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 200 KB Output is correct
23 Correct 1 ms 200 KB Output is correct
24 Correct 1 ms 240 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 1 ms 200 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
0 / 95.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Wrong Answer: wrong guess.
2 Halted 0 ms 0 KB -