Submission #1006805

#	Time	Username	Problem	Language	Result	Execution time	Memory
1006805		GTA	Combo (IOI18_combo)	C++17	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>
#include "combo.h"
using namespace std;
#define fr(m,n,k) for(int m=n;m<=k;m++)

int n;
string guess_sequence(int N) {
  vector<char> v{'A', 'B', 'X', 'Y'};
  fr(i, 0, 3) {
    fr(j, 0, 3) {
      fr(l, 0, 3) {
        string p = v[i] + v[j] + v[l];
        int x = press(p);
        if (x == 3) {
          return p;
        }
      }
    }
  }
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:12:32: error: conversion from 'int' to non-scalar type 'std::string' {aka 'std::__cxx11::basic_string<char>'} requested
   12 |         string p = v[i] + v[j] + v[l];
combo.cpp:8:36: warning: control reaches end of non-void function [-Wreturn-type]
    8 |   vector<char> v{'A', 'B', 'X', 'Y'};
      |                                    ^