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C Brain Teasers: Exercise Your Mind

Calculating Nested Values

Understand how to analyze and predict outputs from nested operations in C programming puzzles. This lesson helps you develop deeper insight into code behavior and improve problem-solving strategies by interpreting complex nested expressions.

We'll cover the following...

Puzzle

...
C
#include <stdio.h>
float p(float a, float b)
{
  return((b<100.0)?a+(b*b/p(a+2.0, b+1.0)):b*b);
}
int main()
{
  printf("%.7f\n", 4.0/p(1.0, 1.0));
  return(0);
}
...