Submission #103283

#	Time	Username	Problem	Language	Result	Execution time	Memory
103283		aviroop123	Combo (IOI18_combo)	C++14	Compilation error	0 ms	0 KiB

combo

#include<bits/stdc++.h>
using namespace std;
string guess_subsequence(int N){
	string s = "";
	vector<char> v = {'A', 'B', 'X', 'Y'};
	fr(i, 1, N){
		for(char ch : v){
			s += ch;
			if(press(s) == i)
				break;
			s.pop_back();
		}
	}
	return s;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_subsequence(int)':
combo.cpp:6:5: error: 'i' was not declared in this scope
    6 |  fr(i, 1, N){
      |     ^
combo.cpp:6:2: error: 'fr' was not declared in this scope
    6 |  fr(i, 1, N){
      |  ^~