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Nov 21st, 2017
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C++ 0.60 KB | None | 0 0
  1. #include <iostream>
  2. #include <time.h>
  3. #include <Windows.h>
  4. using namespace std;
  5.  
  6. void generar(char *msj, int n) {
  7.     for (int i = 0; i < n; i++)
  8.         msj[i] = 'A' + rand() % ('Z' - 'A' + 1);
  9.     msj[n] = '\0';
  10. }
  11.  
  12. int buscar_upc(char *msj, int n) {
  13.     for (int i = 0; i < (n-2); i++) {
  14.         if (msj[i] == 'U' &&
  15.             msj[i + 1] == 'P' &&
  16.             msj[i + 2] == 'C') {
  17.             return i;
  18.         }
  19.     }
  20.     return -1;
  21.  
  22. }
  23. void main() {
  24.     srand(time(NULL));
  25.     char * msj;
  26.     msj = new char[30 + 1];
  27.     while (true) {
  28.         generar(msj, 20);
  29.         if (buscar_upc(msj, 20) != -1) {
  30.             cout << msj << endl;
  31.             system("pause");
  32.         }
  33.     }
  34.    
  35. }
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