제출 #1147255

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1147255		gulmix	콤보 (IOI18_combo)	C++20	컴파일 에러	0 ms	0 KiB

combo

#include "combo.h"
#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
using ll = long long;
#define all(x) x.begin(), x.end()
#define oset tree<ll, null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update>

string guess_sequence(ll n){
    string p = "";
    if(press("AB") >= 1)p = press("A") ? "A" : "Y";
    else p = press("X") ? "X" : "Y";
    vector<char> a = {'A', 'B', 'X', 'Y'};
    a.erase(find(all(a), p[0]));
    while(p.size() <= n - 2){
        ll q = press(p + a[0] + a[0] + p + a[0] + a[1] + p + a[1] + a[0]);
        if(q == p.size()){
            p.push_back(a[2]);
        }else if(q == p.size() + 1){
            q.press(p + a[1] + a[2]);
            if(q == p.size()) p = p + a[0] + a[2];
            else if(q == p.size() + 1) p = p + a[1] + a[1];
            else p = p + a[1] + a[2];
        }else{
            q = press(p + a[0] + a[1]);
            if(q == p.size())p = p + a[1] + a[0];
            else if(q == p.size() + 1)p = p + a[0] + a[0];
            else p = p + a[0] + a[0];
        }
    }
    while(p.size() != n){
        if(press(p + a[0]) == p.size() + 1)p.push_back(a[0]);
        else if(press(p + a[1]) == p.size() + 1)p.push_back(a[1]);
        else p.push_back(a[2]);
    }
    return p;
}

//int main(){
//    ios::sync_with_stdio(false);
//    cin.tie(0);
//    //ifstream cin("cycle2.in");
//    //ofstream cout("cycle2.out");
//}

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(ll)':
combo.cpp:22:15: error: request for member 'press' in 'q', which is of non-class type 'll' {aka 'long long int'}
   22 |             q.press(p + a[1] + a[2]);
      |               ^~~~~