# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
956287 |
2024-04-01T14:10:17 Z |
mostafa133 |
Combo (IOI18_combo) |
C++14 |
|
1 ms |
596 KB |
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include "combo.h"
typedef long long ll;
typedef long double ld;
using namespace std;
using namespace __gnu_pbds;
using ordered_set = tree<ll, null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update>;
#define all(x) x.begin(), x.end()
#define fast ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0)
const ll mod = 998244353;
std::string guess_sequence(int N)
{
string x = "ABXY", y;
char z;
string ans;
ll b = press("AB");
if (b)
{
if (press("A"))
{
ans.push_back('A');
y = "BXBXXXY";
z = 'Y';
}
else
{
ans.push_back('B');
y = "AXAXYXX";
z = 'Y';
}
}
else
{
if (press("X"))
{
ans.push_back('X');
y = "ABABYBB";
z = 'Y';
}
else
{
ans.push_back('Y');
y = "ABABXBB";
z = 'X';
}
}
// cout << ans << ' ';
for (int i = 1; i < N - 1; i++)
{
ll m = ans.size();
b = press(ans + y.substr(0, 1) + ans + y.substr(1, 2) + ans + y.substr(3, 2) + ans + y.substr(5, 2));
if (b == m + 1)
{
ans.push_back(y[0]);
}
else if (b == m + 2)
{
ans.push_back(y[1]);
}
else
{
ans.push_back(z);
}
}
if (press(ans + 'A' + ans + 'B') != ans.size())
{
if (press(ans + 'A') != ans.size())
{
ans.push_back('A');
}
else
{
ans.push_back('B');
}
}
else
{
if (press(ans + 'X') != ans.size())
{
ans.push_back('X');
}
else
{
ans.push_back('Y');
}
}
// cout << ans<<' ';
return ans;
}
Compilation message
combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:67:38: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
67 | if (press(ans + 'A' + ans + 'B') != ans.size())
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
combo.cpp:69:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
69 | if (press(ans + 'A') != ans.size())
| ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
combo.cpp:80:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
80 | if (press(ans + 'X') != ans.size())
| ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
# |
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 |
1 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 |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
0 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
596 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 |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
344 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
1 ms |
504 KB |
Output is correct |
32 |
Correct |
0 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
348 KB |
Output is correct |
34 |
Correct |
0 ms |
348 KB |
Output is correct |
35 |
Correct |
1 ms |
356 KB |
Output is correct |
36 |
Correct |
0 ms |
356 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
344 KB |
Wrong Answer: wrong guess. |
2 |
Halted |
0 ms |
0 KB |
- |