Submission #690629

#	Time	Username	Problem	Language	Result	Execution time	Memory
690629		saayan007	Combo (IOI18_combo)	C++17	Compilation error	0 ms	0 KiB

combo

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

using ll = long long;
using pi = pair<int, int>;
using pl = pair<long long, long long>;
using vi = vector<int>;
using vl = vector<long long>;
using vpi = vector<pair<int, int>>;
using vpl = vector<pair<long long, long long>>;

#define fur(i, a, b) for(ll i = a; i <= (ll)b; ++i)
#define ruf(i, a, b) for(ll i = a; i >= (ll)b; --i)
#define fr first 
#define sc second
#define mp make_pair
#define pb emplace_back
#define nl "\n"
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()

string guess_sequence(int N) {
    char c[] = {'A', 'B', 'X', 'Y'};
    string ans, cur;
    fur(i, 0, n - 1) {
        for(auto u : c) {
            cur.push_back(u);
            if(press(cur) == i + 1) {
                ans.push_back(u);
                break;
            }
            cur.pop_back();
        }
    }
    return ans;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:26:15: error: 'n' was not declared in this scope
   26 |     fur(i, 0, n - 1) {
      |               ^
combo.cpp:13:45: note: in definition of macro 'fur'
   13 | #define fur(i, a, b) for(ll i = a; i <= (ll)b; ++i)
      |                                             ^