numero sottostringhe

#include <iostream>
#include <string.h>
using namespace std;

int main()
{

  int vet[23]={23,45,21,33,12,33,22,44,66,45,21,33,12,11,8,7,6,11,45,21,33,12,13};
  int s1[4]={45,21,33,12};
  int n=23;
  int m=4;
  int i=0;
  int j=0;
  int cont=0;
  bool trovato=true;
  while(i<n){
      if(vet[i]==s1[j]){
          while(j<m && trovato==true){
              if(vet[i]!=s1[j]){
                  trovato=false;
              }
              j++;
              i++;
            }
        if(trovato==true)
              cont++;
        j=0;
        trovato=true;
      }
    i++;
  }
 cout<<cont;
}