Segmentation fault in playing with cards

help me figure out why am i getting Segmentation fault

Hey @dhruvprashar
collect vector v by reference in sieve
Replace line 6 by :

void primesieve(int arr[],vector<int> &v)

ohh yes,but still its showing segmentation fault :frowning:

Hey @dhruvprashar
Also replace line13 by :

for(int i=3;i*i<1000000;i+=2) // i*i<1000000

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