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- // Generare in modo casuale una sequenza di 5 caratteri con la seguente distribuzione:
- // ''a'' al 27%, ''b'' al 5%, ''c'' al 23%, ''d'' al 45%;
- #include <iostream>
- #include <cstdlib>
- using namespace std;
- int main()
- {
- int a,b,c,d,i,j,k;
- a=27;
- b=5;
- c=23;
- d=45;
- i=0;
- k=5;
- while (i<k)
- {
- j=rand()%100+1;
- if ((j>=1) && (j<=a)) cout << "a"; else
- if ((j>=(a+1)) && (j<=(a+b))) cout << "b"; else
- if ((j>=(a+b+1)) && (j<=(a+b+c))) cout << "c"; else
- cout << "d";
- i++;
- }
- cout << "\n";
- return 0;
- }
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