Submission #908738

#	Time	Username	Problem	Language	Result	Execution time	Memory
908738		Aiperiii	Combo (IOI18_combo)	C++14	0 / 100	1 ms	344 KiB

combo

#include <bits/stdc++.h>
#include "combo.h"
using namespace std;
string guess_sequence(int N) {
    string s="";
    string x="";
    x=s;
    x+='A';x+=s;x+='B';
    int res1=press(x);
    if(res1==1){
        x=s;x+='A';
        if(press(x)==1)s+='A';
        else s+='B';
    }
    else{
        x=s;x+='X';
        if(press(x)==1)s+='X';
        else s+='Y';
    }
    string t="ABXY";
    string d="";
    for(int i=0;i<t.size();i++){
        if(t[i]!=s[0])d+=t[i];
    }
    for(int j=1;j<N;j++){
        x=s;
        x+=d[0];x+=s;x+=d[1];
        int res1=press(x);
        if(res1==j+1){
            x=s;x+=d[0];
            if(press(x)==j+1)s+=d[0];
            else s+=d[1];
        }
        else{
            s+=d[2];
        }
    }
    return s;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:22:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |     for(int i=0;i<t.size();i++){
      |                 ~^~~~~~~~~

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