Submission #206461

#	Time	Username	Problem	Language	Result	Execution time	Memory
206461		vardan__02	Combo (IOI18_combo)	C++14	Compilation error	0 ms	0 KiB

combo

#include <algorithm>
#include <iostream>
#include <fstream>
#include <cstring>
#include <string>
#include <vector>
#include <cstdio>
#include <queue>
#include <deque>
#include <stack>
#include <list>
#include <set>
#include <map>
using namespace std;
typedef long long ll;
const long long N = 200005;
const long long inf = 1e18;
#define MP make_pair
#define PB push_back
string guess_sequence(int N)
{
    string ans="";
    string ban="ABXY";
    int v=0, x;
    x = press('A')
    if(x==1)
        v=0;
    x = press('B')
    if(x==1)
        v=1;
    x = press('X')
    if(x==1)
        v=2;
    x = press('Y')
    if(x==1)
        v=3;
    ans=ban[v];
    while(ans.size()!=n)
    {
        for(int i=0;i<=3;i++)
        {
            x = press(ans+ban[i]);
            if(x==ans.size()+1)
            {
                ans+=ban[i];
                break;
            }
        }
    }
    return ans;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:25:9: error: 'press' was not declared in this scope
   25 |     x = press('A')
      |         ^~~~~
combo.cpp:38:23: error: 'n' was not declared in this scope
   38 |     while(ans.size()!=n)
      |                       ^
combo.cpp:43:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |             if(x==ans.size()+1)
      |                ~^~~~~~~~~~~~~~