제출 #600614

#제출 시각아이디문제언어결과실행 시간메모리
600614enerelt14콤보 (IOI18_combo)C++17
5 / 100
1 ms208 KiB
#include "combo.h" #include<bits/stdc++.h> #define pb push_back using namespace std; int n; string guess_sequence(int N){ string ans; n=N; string p, x; if (n!=3)return ans; for (int i=0;i<n;i++){ p.clear(); if (i==0){ p+='A'; for (int j=1;j<4*n;j++)p+='B'; if (press(p)>0){ p.clear(); for (int j=0;j<4*n;j++)p+='A'; if (press(p)>0){ ans+='A'; x+='B';x+='X';x+='Y'; } else{ ans+='B'; x+='A';x+='X';x+='Y'; } p.clear(); continue; } p.clear(); for (int j=0;j<4*n;j++)p+='X'; if (press(p)>0){ ans+='X'; x+='B';x+='A';x+='Y'; } else{ ans+='Y'; x+='B';x+='X';x+='A'; } p.clear(); continue; } if (i==n-1){ p+=ans; for (int j=ans.size();j<4*n;j++)p+=x[0]; if (press(p)==n){ ans+=x[0]; return ans; } p.clear(); p+=ans; for (int j=ans.size();j<4*n;j++)p+=x[1]; if (press(p)==n){ ans+=x[1]; return ans; } ans+=x[2]; return ans; } for (int q=0;q<4;q++){ p+=ans; if (q==3){ p+=x[0]; for (int j=ans.size()+1;j<n;j++)p+=ans[0]; break; } p+=x[1]; p+=x[q]; for (int j=ans.size()+2;j<n;j++)p+=ans[0]; } int y=press(p); if (y==ans.size())ans+=x[2]; if (y==ans.size()+1)ans+=x[0]; if (y==ans.size()+2)ans+=x[1]; p.clear(); } }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:72:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   72 |         if (y==ans.size())ans+=x[2];
      |             ~^~~~~~~~~~~~
combo.cpp:73:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |         if (y==ans.size()+1)ans+=x[0];
      |             ~^~~~~~~~~~~~~~
combo.cpp:74:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   74 |         if (y==ans.size()+2)ans+=x[1];
      |             ~^~~~~~~~~~~~~~
combo.cpp:9:12: warning: control reaches end of non-void function [-Wreturn-type]
    9 |     string p, x;
      |            ^
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