void main () { int x = 10; printf ("x = %d, y = %d", x,--x++); } - Ans: Lvalue required.. it will print first value .but in second value it will perform preincrement operater which will result as a int value but we can't postincrement that value,we can postincrement variable.so it requires a variable to store that value so it gives Lvalue required error.

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Question: void main ()
{
int x = 10;
printf ("x = %d, y = %d", x,--x++);
}

Answer: Ans: Lvalue required..

it will print first value .but in second value it will perform preincrement operater which will result as a int value but we can't postincrement that value,we can postincrement variable.so it requires a variable to store that value so it gives Lvalue required error.

Category	C Interview Questions & Answers - Exam Mode / Learning Mode
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Question: void main ()
{
int x = 10;
printf ("x = %d, y = %d", x,--x++);
}

Answer:

Ans: Lvalue required..

it will print first value .but in second value it will perform preincrement operater which will result as a int value but we can't postincrement that value,we can postincrement variable.so it requires a variable to store that value so it gives Lvalue required error.
Source: CoolInterview.com

This snippet will print x=11,y=10 because the arguments passed to a function are calculated first and the order is from right to left. So value of x and y is 11 and 10 Source: CoolInterview.com

Answered by: Anish | Date: 12/5/2009 |

Contact Anish

Lvalue is required
because we firest the order will solving is right to left, then firest solve the post increament then the value will change then x will be 11 after pri decreament so this is run time error coz we cant change the value of constant then errer is Lvalue requread.... Source: CoolInterview.com

Answered by: vijay kumar cet bikaner | Date: 3/24/2010 |

Contact vijay kumar cet bikaner

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