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Google Technical Interviews in Management round:

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Google Technical Interviews in Management round: Three strings say A,B,C are given to you. Check weather 3rd string is interleaved from string A and B.
Ex: A="abcd" B="xyz" C="axybczd". answer is yes.

Solution: bool test(A,B,C)
while(k < C.size())
if(i < A.size() && C[k]==A[i])
else if(j < B.size() && C[k]==B[j])
return false
return (i == A.size() && j == B.size());

The above algorithm doesn't work when C[k]=A[i]=B[j], essentially throwing one in to a dilemma whether to accept the character from A or B.

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