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Identify the error in the following C statement

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Identify the error in the following C statement

 int x[8], i; for (i = 0; i < = 8; ++i) x[i] = i; 

Will the error be defected? If so when?

Ans. Error.

After the 8th iteration the following code will generate an error. This is because, the array x can store only 8 element which is the maximum size of it (in this example). But the for loop will execute for 9 times. Thus at the 9th iteration, code inside the loop will try to store the value of i into the 9th position of array x, which violates the array rule and will generate an error (Array index out of bounds error).


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{ 1 comment… add one }
  • Amrendra Lal July 22, 2011, 5:04 pm

    As above c code written, in this situation C compiler never shows any error message but it will forcely write and prints from 0 to 8, means total 9 values, even size of the array is 8.

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