Submission #1010644

#	Time	Username	Problem	Language	Result	Execution time	Memory
1010644		Muaath_5	Type Printer (IOI08_printer)	C++17	0 / 100	64 ms	38740 KiB

printer

#include <bits/stdc++.h>
#define ll long long
 
const int N = 5001, MOD = 1e9+7;
using namespace std;
 
struct trie {
	char ch = 0;
    bool end = false;
    trie* chrs[26];
    int mxdep = 0;
};

int n; 
trie* root = new trie();
void add(string& x) {
    trie* cur = root;
    for (int i = 0; i < x.size(); i++) {
        if (!cur->chrs[x[i] - 'a'])
            cur->chrs[x[i] - 'a'] = new trie();
        cur = cur->chrs[x[i] - 'a'];
        cur->ch = x[i];
    }
    cur->end = true;
}


void dfs(trie* cur) {
	cur->mxdep = 1;
	for (trie* c : cur->chrs) {
		if (c) {
			dfs(c);
			cur->mxdep = max(cur->mxdep, c->mxdep+1);	
		}
	}
}
int cnt = 0;
void dfs2(trie* cur) {
	if (cur == nullptr) return;
	sort(cur->chrs, cur->chrs+26, [](trie* x, trie* y){
		return (x ? x->mxdep : 0) < (y ? y->mxdep : 0);
	});
	
	if (cur->ch != 0)
		cout << cur->ch << '\n';
	
	if (cur->end) {
		cout << "P\n";
		cnt++;
		if (cnt == n) exit(0);	
	}
	
	for (int i = 0; i < 26; i++) {
		if (cur->chrs[i]) {
			dfs2(cur->chrs[i]);
		}
	}
	cout << "-\n";
	
}
 
int main()
{
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    cin >> n;
    for (int i = 0; i < n; i++) {
    	string w;
        cin >> w;
        add(w);
    }
 	dfs(root);
 	dfs2(root);
}

Compilation message (stderr)

printer.cpp: In function 'void add(std::string&)':
printer.cpp:18:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |     for (int i = 0; i < x.size(); i++) {
      |                     ~~^~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10