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- #include <iostream>
- #include <time.h>
- #include <Windows.h>
- using namespace std;
- void generar(char *msj, int n) {
- for (int i = 0; i < n; i++)
- msj[i] = 'A' + rand() % ('Z' - 'A' + 1);
- msj[n] = '\0';
- }
- int buscar_upc(char *msj, int n) {
- for (int i = 0; i < (n-2); i++) {
- if (msj[i] == 'U' &&
- msj[i + 1] == 'P' &&
- msj[i + 2] == 'C') {
- return i;
- }
- }
- return -1;
- }
- void main() {
- srand(time(NULL));
- char * msj;
- msj = new char[30 + 1];
- while (true) {
- generar(msj, 20);
- if (buscar_upc(msj, 20) != -1) {
- cout << msj << endl;
- system("pause");
- }
- }
- }
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