Submission #1124684

#	Time	Username	Problem	Language	Result	Execution time	Memory
1124684		ZyadH1	Combo (IOI18_combo)	C++20	Compilation error	0 ms	0 KiB

combo

#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
string guess_sequence(int N) {
  string p , buttons = "ABXY";
  string ans + "";
  while(1){
    for(int i = 0 ; i < 4 ;i++){
      p = ans;
      p += buttons[i];
      if(p.size() > 1 and buttons[i] == p[0]) continue;
      int coins = press(p);
      if(coins == p.size()){
        ans = p;
      }
      if(coins == N) break;
    }
  }
  return ans;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:6:14: error: expected initializer before '+' token
    6 |   string ans + "";
      |              ^
combo.cpp:9:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
    9 |       p = ans;
      |           ^~~
      |           abs
combo.cpp:19:10: error: 'ans' was not declared in this scope; did you mean 'abs'?
   19 |   return ans;
      |          ^~~
      |          abs