제출 #309716

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
309716		wildturtle	콤보 (IOI18_combo)	C++14	0 / 100	1 ms	200 KiB

combo

#include "combo.h"
#include<bits/stdc++.h>
using namespace std;

std::string guess_sequence(int N) {
	string ans,s,s1;
	long long a,n;
	n=N;
	if(press("AB")>=1) {
	  	if(press("A")==1) { ans="A"; s1='BXY'; }
	  	else { s1="AXY"; ans="B"; }
	}
	else if(press("X")==1) { ans="X"; s1="ABY"; }
	else { s1="ABX"; ans="Y"; }
	for(long long i=2;i<n;i++) {
		s=ans+s1[0]+ans+s1[1]+s1[0]+ans+s1[1]+s1[1]+ans+s1[1]+s1[2];
		long long a=press(s);
		if(a==i-1) ans+=s1[2];
		else if(a==i) ans+=s1[0];
		else ans+=s1[1];
	}
	s1=ans+s1[0]+ans+s1[1];
	if(press(s1)==n) {
		s1=ans+s1[0];
		if(press(s1)==n) ans=ans+s1[0];
		else ans=ans+s1[1];
	}
	else ans=ans+s1[2];
	return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp:10:37: warning: multi-character character constant [-Wmultichar]
   10 |     if(press("A")==1) { ans="A"; s1='BXY'; }
      |                                     ^~~~~
combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:10:37: warning: overflow in conversion from 'int' to 'char' changes value from '4347993' to ''Y'' [-Woverflow]
combo.cpp:7:12: warning: unused variable 'a' [-Wunused-variable]
    7 |  long long a,n;
      |            ^

• Subtask 1: 0 / 5
• Subtask 2: 0 / 95