GATE Computer Science (CS) 2011 Solved Paper

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Question Numbers: 58-59
Consider the following recursive C function that takes two arguments
 unsigned int foo(unsigned int n, unsigned int r) {  
      if (n > 0) return (n%r) + foo (n/r, r));
       else return 0;
}
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Question : 58 of 65
 
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What is the return value of the function foo when it is called as foo (345, 10)?
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