Submission #630199

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
6301992022-08-16 01:42:42chubyxdxdCombo (IOI18_combo)C++11
5 / 100
1 ms256 KiB
#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
std::string guess_sequence(int N) {
string S= "";
if(press("AB")){
if(press("A"))S+='A';
else S+='B';
}
else{
if(press("X"))S+='X';
else S+='Y';
}
string g="ABXY";
string aux;
for(int i=0;i<g.size();i++){
if(S[0]!=g[i])aux+=g[i];
}
//cout<<aux<<endl;
int ans=1;
for(int i=1;i<N-1;i++){
int pos=press(S+aux[0]+S+aux[1]+aux[1]+S+aux[1]+aux[2]+S+aux[1]+aux[0]);
if(pos==ans+1)S+=aux[0];
if(pos==ans)S+=aux[2];
if(pos==ans+2)S+=aux[1];
ans=S.size();
}
//cout<<S<<endl;
if(press(S+aux[0])>S.size())S+=aux[0];
 
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Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:17:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |   for(int i=0;i<g.size();i++){
      |               ~^~~~~~~~~
combo.cpp:30:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |   if(press(S+aux[0])>S.size())S+=aux[0];
      |      ~~~~~~~~~~~~~~~^~~~~~~~~
combo.cpp:33:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |     if(press(S+aux[1])>S.size())S+=aux[1];
      |        ~~~~~~~~~~~~~~~^~~~~~~~~
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