제출 #109663

#제출 시각아이디문제언어결과실행 시간메모리
109663youssefbou62콤보 (IOI18_combo)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; #define mp make_pair #define fi first #define se second #define all(v) v.begin(),v.end() #define allarr(a) a , a + n #define pb push_back int press (string s ){cout<<"query "<<s<<endl; int x ; cin>> x ; return x ; } string guess_sequence (int n){ string buttons ,s2,s; int ans ; if( n == 1 ){ if( press("A") ) return "A" ; if( press("B") ) return "B" ; if( press("X"))return "X" ; return "Y" ; } ans = press("ABABXBY") ; if( ans ){ if( ans == 1 ) s.pb('A') , buttons = "BXY"; if( ans == 2 ) s.pb('B') , buttons = "AXY" ; } else { ans = press ( "XYAYBYX" ) ; if( ans == 1 ) s.pb('X') , buttons = "ABY" ; if( ans == 2 ) s.pb( 'Y' ) , buttons = "ABX" ; } while ( (int)s.length() != n ){ if( (int) s.length() == n-1 ) { s2 = s + buttons[0] + s + buttons[1]; if( press ( s2 ) == (int)s.length() ){ s.pb(buttons[2]) ; break ; } s2 = s + buttons[1] ; if( press ( s2 ) == (int)s.length() + 1 ){ s.pb(buttons[1]) ; break ; } s += buttons[0] ; break ; } else s2 = s + buttons[0] + s + buttons[1] + buttons[0] + s + buttons[1] + buttons[1] + s + buttons[1] + buttons[2] ; ans = press ( s2 ) ; if( ans == (int)s.length() ){ s.pb(buttons[2]) ; }else if( ans == (int)s.length() + 1 ){ s.pb(buttons[0]) ; }else if( ans == (int)s.length() + 2 ){ s.pb(buttons[1]); } } assert( (int)s.length() == n) ; return s ; } int main(){int n ; cin>> n ; cout<<"answer is "<<guess_sequence(n)<<endl; }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccUosA1Q.o: in function `press(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)':
grader.cpp:(.text+0x0): multiple definition of `press(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)'; /tmp/ccJuHiVQ.o:combo.cpp:(.text+0xc0): first defined here
/usr/bin/ld: /tmp/ccUosA1Q.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccJuHiVQ.o:combo.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status