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that's a shuffle deck question
- guangsumengmianxia November 16, 2016(1) fill an array deck[n] with numbers 1 to n;
(2) for(int I=0; I<n;i++){
int ind=floor(random()*INT_MAX)%n; //gives a random index from 0 to n-1
swap(deck[i],deck[ind]);
}
that's it. There is no need to rewrite a random function. You only need to use the API random() given in the question.