Answer Posted / vaibhav nigam

// missing number= diff in sum of 2 arrays

int missing_number(int A[], int B[], int n)
{
int sum1=0;
for(int i=0; i<n; i++) {
sum1+=A[i];
}

int sum2=0;
for(int i=0; i<n-1; i++) {
sum2+=B[i];
}

return (sum1-sum2);
}

#include int main(){ int i=10; int *ptr=&i; *ptr=(int *)20; printf("%d",i); return 0; } Output: 20 can anyone explain how came the output is 20

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