Submission #1322331

#	Time	Username	Problem	Language	Result	Execution time	Memory
1322331		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";
    char f=ans[0];
    string op;
    if(f=='A') op="BXY";
    if(f=='B') op="AXY";
    if(f=='X') op="ABY";
    if(f=='Y') op="ABX";
    while(cur+1!=n){
        int tem=press(ans+op[0]+ans+op[1]+op[0]+ans+op[1]+op[1]+ans+op[1]+op[2]);
        if(tem==cur) ans+=op[2];
        if(tem==cur+1) ans+=op[0];
        if(tem==cur+2) ans+=op[1];
        cur++;
    }
    if(press(ans+op[0])==n) ans+=op[0];
    else if(press(ans+op[1])==n) ans+=op[1];
    else ans+=op[2];
    return ans;
}

int call=0;
string s;

int press(string p){
    call++;
    int ans=0;
    for(int i=1;i<=(int)s.size();i++){
        string pref=s.substr(0,i);
        if(p.find(pref)!=string::npos) ans=i;
        else break;
    }
    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/ccREq7h3.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/ccCvybV7.o:combo.cpp:(.text+0x160): first defined here
/usr/bin/ld: /tmp/ccREq7h3.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccCvybV7.o:combo.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status