# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
951111 |
2024-03-21T07:08:34 Z |
star |
Combo (IOI18_combo) |
C++14 |
|
0 ms |
0 KB |
#include <bits/stdc++.h>
using namespace std;
string guess_sequence( int n) {
string p = "" , ans = "" ;
char a, b, c, d;
if (press( " AB " ) > 0 ) {
c = 'X' , d = 'Y' ;
press( "A" )? (a = 'A' , b = 'B' ) : (a = 'B' , b = 'A' );
} else {
c = 'A' , d = 'B' ;
press( "X" )? (a = 'X' , b = 'Y' ) : (a = 'Y' , b = 'X' );
}
ans = a;
if (n == 1 ) return ans;
for ( int i = 1 ; i < n - 1 ; ++ i) {
p = ans + b + b + ans + b + c + ans + b + d + ans + c;
int bk = press(p);
if (bk == i + 0 ) ans += d;
if (bk = = i + 1 ) ans += c;
if (bk == i + 2 ) ans += b;
}
if (press(ans + b) == n) ans += b;
else if (press(ans + c) == n) ans += c;
else ans += d;
return ans;
}
Compilation message
combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:7:8: error: 'press' was not declared in this scope
7 | if (press( " AB " ) > 0 ) {
| ^~~~~
combo.cpp:18:15: error: 'press' was not declared in this scope
18 | int bk = press(p);
| ^~~~~
combo.cpp:20:15: error: expected primary-expression before '=' token
20 | if (bk = = i + 1 ) ans += c;
| ^
combo.cpp:23:7: error: 'press' was not declared in this scope
23 | if (press(ans + b) == n) ans += b;
| ^~~~~