what is the purpose of the following code, and is there any problem with the code? void fn(long* p1, long* p2) { register int x = *p1; register int y = *p2; x ^= y; y ^= x; x ^= y; *p1 = x; *p2 = y; }

1 Answers   Google,

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What is C++

4 Answers  

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What will the preprocessor do for a program?

0 Answers   Aspire, Infogain,

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what does ‘Bus Error’ mean?

1 Answers   ABC,

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What are the three constants used in c?

0 Answers  

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print a "hello" word without using printf n puts in c language

6 Answers  

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what is the defrenece between structure and union

5 Answers   Aloha Technology,

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program to find the second largest word in a paragraph amongst all words that repeat more thn twice

4 Answers   CTS, iGate,

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What is pointer to pointer in c language?

0 Answers  

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How is actual parameter different from the formal parameter?

0 Answers  

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what is the c source code for the below output? 10 10 10 10 10 10 10 10 10 10 9 9 7 6 6 6 6 6 6 9 7 5 9 7 3 2 2 5 9 7 3 1 5 9 7 3 5 9 7 4 4 4 4 5 9 7 8 8 8 8 8 8 8 8 9

0 Answers  

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find the output? void r(int a[],int c, int n) { if(c>n) { a[c]=a[c]+c; r(a,++c,n); r(a,++c,n); } } int main() { int i,a[5]={0}; r(a,0,5); for(i=0;i<5;i++) printf("\n %d",a[i]); getch(); }

0 Answers   Microsoft,

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