Submission #759606

#	Time	Username	Problem	Language	Result	Execution time	Memory
759606		aykhn	Crayfish scrivener (IOI12_scrivener)	C++17	Compilation error	0 ms	0 KiB

scrivener

#include <bits/stdc++.h>
using namespace std;
#define mpr make_pair
string s;
vector<pair<int, char>> calls;
int x;

string f(int i)
{
    if (i < 0) return "";
    
    if (calls[i].fi == 1) return f(i - 1) + calls[i].se;
    
    return f(i - 1 - calls[i].se);
}

void Init() 
{
    s = "";
}

void TypeLetter(char L) 
{
    calls.pb(mpr(1, L));
}

void UndoCommands(int U) 
{
    calls.pb(mpr(2, U));
}

char GetLetter(int P) 
{
    x++;
    if (x == 1)
    {
        s = f(calls.size() - 1);
    }
    
    return s[P];
}

Compilation message (stderr)

scrivener.cpp: In function 'std::string f(int)':
scrivener.cpp:12:18: error: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, char> >, std::pair<int, char> >::value_type' {aka 'struct std::pair<int, char>'} has no member named 'fi'
   12 |     if (calls[i].fi == 1) return f(i - 1) + calls[i].se;
      |                  ^~
scrivener.cpp:12:54: error: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, char> >, std::pair<int, char> >::value_type' {aka 'struct std::pair<int, char>'} has no member named 'se'
   12 |     if (calls[i].fi == 1) return f(i - 1) + calls[i].se;
      |                                                      ^~
scrivener.cpp:14:31: error: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, char> >, std::pair<int, char> >::value_type' {aka 'struct std::pair<int, char>'} has no member named 'se'
   14 |     return f(i - 1 - calls[i].se);
      |                               ^~
scrivener.cpp: In function 'void TypeLetter(char)':
scrivener.cpp:24:11: error: 'class std::vector<std::pair<int, char> >' has no member named 'pb'
   24 |     calls.pb(mpr(1, L));
      |           ^~
scrivener.cpp: In function 'void UndoCommands(int)':
scrivener.cpp:29:11: error: 'class std::vector<std::pair<int, char> >' has no member named 'pb'
   29 |     calls.pb(mpr(2, U));
      |           ^~