Submission #164324

#	Time	Username	Problem	Language	Result	Execution time	Memory
164324		aggu_01000101	Combo (IOI18_combo)	C++14	Compilation error	0 ms	0 KiB

combo

#include <iostream>

#include <cmath>
#include <vector>
#include <algorithm>
#include <queue>
#include <fstream>
#include <set>
#include <iomanip>
#include <unordered_map>
#define INF 1e16
#define int long long
#define N (int)1e5 + 5
using namespace std;
string guess_sequence(int n){
    char lol[] = {'A', 'B', 'X', 'Y'};
    int taken = 0;
    while(press("" + lol[taken])==0) taken++;
    string s = "" + lol[taken];
    for(int i = 1;i<n;i++){
        for(int j = 0;j<4;j++){
            if(j==taken) continue;
            int rn = press(s + lol[j]);
            if(rn==(i+1)){
                s = s+lol[j];
                j = 5;
            }
        }
    }
    return s;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(long long int)':
combo.cpp:18:11: error: 'press' was not declared in this scope
   18 |     while(press("" + lol[taken])==0) taken++;
      |           ^~~~~
combo.cpp:23:22: error: 'press' was not declared in this scope
   23 |             int rn = press(s + lol[j]);
      |                      ^~~~~