Submission #1348562

#	Time	Username	Problem	Language	Result	Execution time	Memory
1348562		faqinyeager	콤보 (IOI18_combo)	C++20	Compilation error	0 ms	0 KiB

combo

#include "combo.h"
using namespace std;
string guess_sequence(int n)
{
	string s;
	if(press("AB") > 0){
		if(press["A"] > 0) s = "A";
		else s = "B";
	}else{
		if(press["X"] > 0)) s = "X";
		else s = "Y";
	}
	string a, b, c;
	if(s == "A") a = "B", b = "X", c = "Y";
	else if(s == "B") a = "A", b = "X", c = "Y";
	else if(s == "X") a = "A", b = "B", c = "Y";
	else a = "A", b = "B", c = "X";
	
	for(int i = 1; i < n; i++){
		int cnt = press(s + a + s + b + a + s + b + b + s + b + c);
		if(cnt == i - 1){
			s += c;
		}else if(cnt == i){
			s += b;
		}else{
			s += a;
		}
	}
	return s;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:7:25: error: invalid types 'int(std::string) {aka int(std::__cxx11::basic_string<char>)}[const char [2]]' for array subscript
    7 |                 if(press["A"] > 0) s = "A";
      |                         ^
combo.cpp:10:25: error: invalid types 'int(std::string) {aka int(std::__cxx11::basic_string<char>)}[const char [2]]' for array subscript
   10 |                 if(press["X"] > 0)) s = "X";
      |                         ^
combo.cpp:10:35: error: expected primary-expression before ')' token
   10 |                 if(press["X"] > 0)) s = "X";
      |                                   ^