Submission #787048

#	Time	Username	Problem	Language	Result	Execution time	Memory
787048		APROHACK	Mechanical Doll (IOI18_doll)	C++17	Compilation error	0 ms	0 KiB

doll

#include <bits/stdc++.h>
#include "doll.h"
#define ll long long
#define pb push_back
#define ff first
#define ss second
using namespace std;
ll n, m, cur;

vector<ll>c, x, y;
vector<ll>a;

ll generar(ll desde, ll cada, ll div, bool lastt){
	if(div == 0){
		return a[desde];
	}
	if(a[desde] == -1 and ! lastt){
		return a[desde];
	}
	ll posi = cur;
	ll real = -(cur + 1);
	x.pb(0);
	y.pb(0);
	cur ++ ;
	x[posi] = generar(desde, cada*2, div-1, false);
	y[posi] = generar(desde + cada, cada*2, div-1, lastt);
	
	return real;
}

void create_circuit(int M, std::vector<int> A) {
	cur = 0;
	a = A;
	n = A.size();
	m = M;
	c.pb(A[0]);
	for(int i = 1 ; i <= M ; i ++)c.pb(-1);
	ll k = 1, pot = 0;
	while(k <= a.size()-1 ){
		k *= 2;
		pot ++;
	}
	while(a.size()-1 < k)a.pb(-1);
	a.pop_back();
	a.push_back(0);
	c[A[0]] = generar(1, 1, pot, true);
	answer(c, x, y);
	
}

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:33:6: error: no match for 'operator=' (operand types are 'std::vector<long long int>' and 'std::vector<int>')
   33 |  a = A;
      |      ^
In file included from /usr/include/c++/10/vector:72,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from doll.cpp:1:
/usr/include/c++/10/bits/vector.tcc:198:5: note: candidate: 'std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(const std::vector<_Tp, _Alloc>&) [with _Tp = long long int; _Alloc = std::allocator<long long int>]'
  198 |     vector<_Tp, _Alloc>::
      |     ^~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/vector.tcc:199:42: note:   no known conversion for argument 1 from 'std::vector<int>' to 'const std::vector<long long int>&'
  199 |     operator=(const vector<_Tp, _Alloc>& __x)
      |               ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from doll.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:709:7: note: candidate: 'std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::vector<_Tp, _Alloc>&&) [with _Tp = long long int; _Alloc = std::allocator<long long int>]'
  709 |       operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
      |       ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:709:26: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<long long int>&&'
  709 |       operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
      |                 ~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:730:7: note: candidate: 'std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::initializer_list<_Tp>) [with _Tp = long long int; _Alloc = std::allocator<long long int>]'
  730 |       operator=(initializer_list<value_type> __l)
      |       ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:730:46: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::initializer_list<long long int>'
  730 |       operator=(initializer_list<value_type> __l)
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
doll.cpp:39:10: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |  while(k <= a.size()-1 ){
      |        ~~^~~~~~~~~~~~~
doll.cpp:43:19: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   43 |  while(a.size()-1 < k)a.pb(-1);
      |        ~~~~~~~~~~~^~~
doll.cpp:47:9: error: could not convert 'c' from 'vector<long long int>' to 'vector<int>'
   47 |  answer(c, x, y);
      |         ^
      |         |
      |         vector<long long int>