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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. struct Nodo {
  5.     int dato;
  6.     Nodo *izq;
  7.     Nodo *der;
  8. };
  9.  
  10. Nodo *nuevoNodo(int valor) {
  11.     Nodo *nodo = new Nodo;
  12.     nodo->dato = valor;
  13.     nodo->izq = nullptr;
  14.     nodo->der = nullptr;
  15.     return nodo;
  16. }
  17.  
  18. Nodo *insertar(Nodo *r, int valor) {
  19.     if (r == nullptr) return nuevoNodo(valor);
  20.     if (valor < r->dato) r->izq = insertar(r->izq, valor);
  21.     else r->der = insertar(r->der, valor);
  22.     return r;
  23. }
  24.  
  25. string buscar(Nodo *raiz, int x) {
  26.     string s = ""; 
  27.     Nodo *r = raiz;
  28.  
  29.     while (r != nullptr) {
  30.         if (x == r->dato) {
  31.             if (s.empty()) return "RAIZ";
  32.             else return s;
  33.         }
  34.         if (x < r->dato) {
  35.             s = s + 'L';
  36.             r = r->izq;
  37.         } else {
  38.             s = s + 'R';
  39.             r = r->der;
  40.         }
  41.     }
  42.     return "NO EXISTE";
  43. }
  44.  
  45. int main() {
  46.     int q;
  47.     if (!(cin >> q)) return 0;
  48.  
  49.     Nodo *raiz = nullptr;
  50.     char operacion;
  51.     int x;
  52.  
  53.     for (int i = 0; i < q; i++) {
  54.         cin >> operacion >> x;
  55.  
  56.         if (operacion == 'I') {
  57.             raiz = insertar(raiz, x);
  58.         } else if (operacion == 'R') {
  59.             string resultado = buscar(raiz, x);
  60.             cout << resultado << "\n";
  61.         }
  62.     }
  63.  
  64.     return 0;
  65. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin 
10

I 50

I 30

I 70

I 20

I 40

R 40

R 20

R 70

I 35

R 35
stdout 
LR
LL
R
LRL
https://ideone.com/d2g9NZ
language:
C++14 (gcc 8.3)
created:
16 hours ago
visibility:
public

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