Submission #1322206

#	Time	Username	Problem	Language	Result	Execution time	Memory
1322206		aritro_	Combo (IOI18_combo)	C++20	Compilation error	0 ms	0 KiB

combo

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

int press(string p);

string guess_sequence(int n){
    string ans="";
    int cur=1;
    if(press("A")==1) ans+="A";
    else if(press("B")==1) ans+="B";
    else if(press("X")==1) ans+="X";
    else ans+="Y";
    while(cur<n){
        if(ans[0]!='A'&&press(ans+'A')>cur){
            cur++;
            ans+='A';
        }else if(ans[0]!='B'&&press(ans+'B')>cur){
            cur++;
            ans+='B';
        }else if(ans[0]!='X'&&press(ans+'X')>cur){
            cur++;
            ans+='X';
        }else if(ans[0]!='Y'){
            cur++;
            ans+='Y';
        }
    }
    return ans;
}

int call=0;
string s;

int press(string p){
    call++;
    int ans=0;
    for(int i=0;i<min(s.size(),p.size());i++){
        if(s[i]!=p[i]) break;
        ans++;
    }
    return ans;
}

void solve(){
    cin>>s;
    cout<<guess_sequence(s.size())<<endl;
    cout<<call<<endl;
    return;
}

int32_t main(){
    solve();
    return 0; 
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccQkF9sS.o: in function `press(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)':
grader.cpp:(.text+0x0): multiple definition of `press(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)'; /tmp/cccbreD8.o:combo.cpp:(.text+0x0): first defined here
/usr/bin/ld: /tmp/ccQkF9sS.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cccbreD8.o:combo.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status