Submission #676660

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
676660	2022-12-31T15:54:28 Z	QwertyPi	Type Printer (IOI08_printer)	C++14	Compilation error	0 ms	0 KB

printer

#include <bits/stdc++.h>
 
using namespace std;
 
const int SIGMA = 26; 
struct node{
	node* nxt[SIGMA];
	bool word = false;
	int heavy = -1; 
	node() {
		fill(nxt, nxt + SIGMA, 0);
	}
	node* extend(int c){
		if(!nxt[c]) nxt[c] = new node;
		return nxt[c];
	}
	node* extend_heavy(int c){
		heavy = c;
		return nxt[c];
	}
};
 
string ans;
void dfs(node *root){
	if(root->word) ans.push_back('P');
	for(int c = 0; c < SIGMA; c++){
		if(root->nxt[c] && root->heavy != c){
			ans.push_back('a' + c);
			dfs(root->nxt[c]);
			ans.push_back('-');
		}
	}
	if(root->heavy != -1){
		ans.push_back('a' + root->heavy);
		dfs(root->nxt[root->heavy]);
		ans.push_back('-');
	}
}
 
node *root = new node;
int main(){
	int n; cin >> n;
	vector<string> vs;
	for(int i = 0; i < n; i++){
		string s; cin >> s;
		vs.push_back(s);
		node *x = root;
		for(auto c : s){
			x = x->extend(c - 'a');
		}
		x->word = true;
	}
	sort(vs.begin(), vs.end(), [](string a, string b){
		return a.size() < b.size();
	});
	{
		node *x = root;
		for(auto c : vs.back()){
			x = x->extend_heavy(c - 'a');
		}
	}
	dfs(root);
	while(ans.back() == '-') ans.pop_back();
	cout << ans.size() << '\n';
	for(auto c : ans) cout << c << '\n';
}

Compilation message

In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from printer.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h: In instantiation of 'typename __gnu_cxx::__enable_if<std::__is_scalar<_Tp>::__value, void>::__type std::__fill_a1(_ForwardIterator, _ForwardIterator, const _Tp&) [with _ForwardIterator = node**; _Tp = int; typename __gnu_cxx::__enable_if<std::__is_scalar<_Tp>::__value, void>::__type = void]':
/usr/include/c++/10/bits/stl_algobase.h:914:21:   required from 'void std::__fill_a(_FIte, _FIte, const _Tp&) [with _FIte = node**; _Tp = int]'
/usr/include/c++/10/bits/stl_algobase.h:944:20:   required from 'void std::fill(_ForwardIterator, _ForwardIterator, const _Tp&) [with _ForwardIterator = node**; _Tp = int]'
printer.cpp:11:27:   required from here
/usr/include/c++/10/bits/stl_algobase.h:873:13: error: invalid conversion from 'int' to 'node*' [-fpermissive]
  873 |  *__first = __tmp;
      |             ^~~~~
      |             |
      |             int