This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#include "combo.h"
using namespace std;
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
// typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
// find_by_order(), order_of_key()
typedef long long ll;
typedef long double dd;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<dd, dd> pdd;
typedef vector<int> vii;
typedef vector<ll> vll;
typedef vector<dd> vdd;
typedef vector<pii> vpii;
typedef vector<pll> vpll;
typedef vector<pdd> vpdd;
typedef vector<vii> vvii;
typedef vector<vll> vvll;
typedef vector<vdd> vvdd;
typedef vector<vpii> vvpii;
typedef vector<vpll> vvpll;
typedef vector<vpdd> vvpdd;
typedef vector<bool> vb;
const int inf = 1 << 30;
#define rep(i, n) for (ll i = 0; i < n; i++)
#define ffor(i, a, b) for(ll i = a; i < b; i++)
#define forin(x, a) for (auto &x: a)
#define all(x) x.begin(), x.end()
#ifdef TEST
#define dbg(x) cout << #x << ": " << x << '\n';
#define dbgc(x) cout << #x << ":"; forin(a, x) { cout << " " << a; } cout << endl;
#define tassert(x) assert(x);
#else
#define dbg(x)
#define dbgc(x)
#define tassert(x)
#endif
std::string guess_sequence_sequence(int N) {
if (N == 1) {
if (guess_sequence("A")) {
return ("A");
}
if (guess_sequence("B")) {
return ("B");
}
if (guess_sequence("X")) {
return ("X");
}
return ("Y");
}
char first;
string rem;
if (guess_sequence("AB")) {
if (guess_sequence("A")) {
first = 'A';
rem = "BCD";
} else {
first = 'A';
rem = "BCD";
}
} else {
if (guess_sequence("C")) {
first = 'A';
rem = "BCD";
} else {
first = 'A';
rem = "BCD";
}
}
string res;
res += first;
while (res.size() < N) {
if (res.size() == N - 1) {
if (guess_sequence(res + rem.at(0))) {
res += rem.at(0);
} else if (guess_sequence(res + rem.at(1))) {
res += rem.at(1);
} else {
res += rem.at(2);
}
} else {
int l = guess_sequence(res + rem.at(0) + res + rem.at(1) + rem.at(0) + res + rem.at(1) + rem.at(1) + res + rem.at(1) + rem.at(2));
if (l == res.size()) {
res += rem.at(2);
} else if (l == res.size() + 1) {
res += rem.at(0);
} else {
res += rem.at(1);
}
}
}
return res;
}
Compilation message (stderr)
combo.cpp: In function 'std::string guess_sequence_sequence(int)':
combo.cpp:51:23: error: invalid conversion from 'const char*' to 'int' [-fpermissive]
51 | if (guess_sequence("A")) {
| ^~~
| |
| const char*
In file included from combo.cpp:2:
combo.h:5:32: note: initializing argument 1 of 'std::string guess_sequence(int)'
5 | std::string guess_sequence(int N);
| ~~~~^
combo.cpp:51:22: error: could not convert 'guess_sequence(int)()' from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'bool'
51 | if (guess_sequence("A")) {
| ~~~~~~~~~~~~~~^~~~~
| |
| std::string {aka std::__cxx11::basic_string<char>}
combo.cpp:54:23: error: invalid conversion from 'const char*' to 'int' [-fpermissive]
54 | if (guess_sequence("B")) {
| ^~~
| |
| const char*
In file included from combo.cpp:2:
combo.h:5:32: note: initializing argument 1 of 'std::string guess_sequence(int)'
5 | std::string guess_sequence(int N);
| ~~~~^
combo.cpp:54:22: error: could not convert 'guess_sequence(int)()' from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'bool'
54 | if (guess_sequence("B")) {
| ~~~~~~~~~~~~~~^~~~~
| |
| std::string {aka std::__cxx11::basic_string<char>}
combo.cpp:57:23: error: invalid conversion from 'const char*' to 'int' [-fpermissive]
57 | if (guess_sequence("X")) {
| ^~~
| |
| const char*
In file included from combo.cpp:2:
combo.h:5:32: note: initializing argument 1 of 'std::string guess_sequence(int)'
5 | std::string guess_sequence(int N);
| ~~~~^
combo.cpp:57:22: error: could not convert 'guess_sequence(int)()' from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'bool'
57 | if (guess_sequence("X")) {
| ~~~~~~~~~~~~~~^~~~~
| |
| std::string {aka std::__cxx11::basic_string<char>}
combo.cpp:64:22: error: invalid conversion from 'const char*' to 'int' [-fpermissive]
64 | if (guess_sequence("AB")) {
| ^~~~
| |
| const char*
In file included from combo.cpp:2:
combo.h:5:32: note: initializing argument 1 of 'std::string guess_sequence(int)'
5 | std::string guess_sequence(int N);
| ~~~~^
combo.cpp:64:21: error: could not convert 'guess_sequence(int)()' from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'bool'
64 | if (guess_sequence("AB")) {
| ~~~~~~~~~~~~~~^~~~~~
| |
| std::string {aka std::__cxx11::basic_string<char>}
combo.cpp:65:23: error: invalid conversion from 'const char*' to 'int' [-fpermissive]
65 | if (guess_sequence("A")) {
| ^~~
| |
| const char*
In file included from combo.cpp:2:
combo.h:5:32: note: initializing argument 1 of 'std::string guess_sequence(int)'
5 | std::string guess_sequence(int N);
| ~~~~^
combo.cpp:65:22: error: could not convert 'guess_sequence(int)()' from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'bool'
65 | if (guess_sequence("A")) {
| ~~~~~~~~~~~~~~^~~~~
| |
| std::string {aka std::__cxx11::basic_string<char>}
combo.cpp:73:23: error: invalid conversion from 'const char*' to 'int' [-fpermissive]
73 | if (guess_sequence("C")) {
| ^~~
| |
| const char*
In file included from combo.cpp:2:
combo.h:5:32: note: initializing argument 1 of 'std::string guess_sequence(int)'
5 | std::string guess_sequence(int N);
| ~~~~^
combo.cpp:73:22: error: could not convert 'guess_sequence(int)()' from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'bool'
73 | if (guess_sequence("C")) {
| ~~~~~~~~~~~~~~^~~~~
| |
| std::string {aka std::__cxx11::basic_string<char>}
combo.cpp:83:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
83 | while (res.size() < N) {
| ~~~~~~~~~~~^~~
combo.cpp:84:19: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
84 | if (res.size() == N - 1) {
| ~~~~~~~~~~~^~~~~~~~
combo.cpp:85:28: error: cannot convert 'std::__cxx11::basic_string<char>' to 'int'
85 | if (guess_sequence(res + rem.at(0))) {
| ~~~~^~~~~~~~~~~
| |
| std::__cxx11::basic_string<char>
In file included from combo.cpp:2:
combo.h:5:32: note: initializing argument 1 of 'std::string guess_sequence(int)'
5 | std::string guess_sequence(int N);
| ~~~~^
combo.cpp:87:35: error: cannot convert 'std::__cxx11::basic_string<char>' to 'int'
87 | } else if (guess_sequence(res + rem.at(1))) {
| ~~~~^~~~~~~~~~~
| |
| std::__cxx11::basic_string<char>
In file included from combo.cpp:2:
combo.h:5:32: note: initializing argument 1 of 'std::string guess_sequence(int)'
5 | std::string guess_sequence(int N);
| ~~~~^
combo.cpp:93:122: error: cannot convert 'std::__cxx11::basic_string<char>' to 'int'
93 | int l = guess_sequence(res + rem.at(0) + res + rem.at(1) + rem.at(0) + res + rem.at(1) + rem.at(1) + res + rem.at(1) + rem.at(2));
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
| |
| std::__cxx11::basic_string<char>
In file included from combo.cpp:2:
combo.h:5:32: note: initializing argument 1 of 'std::string guess_sequence(int)'
5 | std::string guess_sequence(int N);
| ~~~~^
combo.cpp:94:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
94 | if (l == res.size()) {
| ~~^~~~~~~~~~~~~
combo.cpp:96:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
96 | } else if (l == res.size() + 1) {
| ~~^~~~~~~~~~~~~~~~~