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Zoho Interview | Set 1 Question 5

Given a two dimensional array of string like

<”luke”, “shaw”> 

 <”wayne”, “rooney”>

 <”rooney”, “ronaldo”> 

<”shaw”, “rooney”>

Where the first string is “child”, second string is “Father”. And given “ronaldo” we have to find his no of grandchildren Here “ronaldo” has 2 grandchildren.


 So our output should be 2..


My solution ::

#include <iostream>
using namespace std;
int count=0;
string a[4][2]={
   {"luke", "shaw"},
   {"wayne", "rooney"},
   {"rooney", "ronaldo"},
   {"shaw", "rooney"}
void grandchi(string x){
  for(int i=0;i<4;i++){
int main() {
 string s,s1;
 for(int i=0;i<4;i++){
  for(int j=0;j<2;j++){
 cout<<"enter string"<<"\n";
 for(int i=0;i<4;i++){
 cout<<"grand children:"<<count;
 return 0;



  1. Hi, in line 5, is "string" a data type in C++? I tried running on Borland C++ and it shows error.
    Also, what is the use of "using namespace std" ?

    Thanks in advance !!!

    1. When you use "using namespace std" Then you don't need to scope resolute every c++ object you are using in your program like std::

      If you still have a doubt refer this link:


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Given a City table, whose fields are described as +-------------+----------+ | Field       | Type     | +-------------+----------+ | ID          | int(11)  | | Name        | char(35) | | CountryCode | char(3)  | | District    | char(20) | | Population  | int(11)  | +-------------+----------+
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