Submission #937010

#	Time	Username	Problem	Language	Result	Execution time	Memory
937010		Yazan_SA	Combo (IOI18_combo)	C++14	Compilation error	0 ms	0 KiB

combo

#include<bits/stdc++.h>
#include<combo.h>
using namespace std;
//int press(string p)
//{
//
//}
string guess_sequence(int N)
{
    string ans="";
    string bts="ABXY";
    int mx=0,mxp=0;
    while(mx!=N)
    {
        if(ans!="" && (int)bts.size()==4) {
            bts.erase(bts.begin()+bts.find(ans[0]));
        }

        mx=press(ans+bts[0]+ans+bts[1]);
        if(mx>mxp)
        {
            if(mxp != press(ans+bts[0]))ans+=bts[0];
            else ans+=bts[1];
            }
        }
        else if(ans=="")
        {
            if(mxp+1==press(ans+bts[2]))ans+=bts[2];
            else ans+=bts[3];
        }
        else ans+=bts[2];
        mxp=ans.size();
    }
    return ans;
}
//int main()
//{
//    string s="abcd";
//    s.erase(s.begin()+s.find('a'));
//    cout<<s;
//}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:26:9: error: 'else' without a previous 'if'
   26 |         else if(ans=="")
      |         ^~~~
combo.cpp:33:5: warning: no return statement in function returning non-void [-Wreturn-type]
   33 |     }
      |     ^
combo.cpp: At global scope:
combo.cpp:34:5: error: expected unqualified-id before 'return'
   34 |     return ans;
      |     ^~~~~~
combo.cpp:35:1: error: expected declaration before '}' token
   35 | }
      | ^