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Hello everyone, Here's my code for making a dynamic array(the user inputs the size of the array). It's working fine but I think that I've not made the best code. Is there any suggestion for improvement or optimization? [code] #include <stdio.h> #include <stdlib.h> int main(void) { int *p; int n,i; …

Here is a code: [CODE] #include<stdio.h> #include<string.h> int main(void) { char *s1="hello"; char *s2="world"; char *s3; s3=strcat(s1,s2); printf("%s",s3); } [/CODE] What does strcat returns? Why does this code results in run time error? And one more question : Are "hello" and "world" terminated with '\0' in case of char pointers? …

here is a code [CODE] #include<stdio.h> int main(void) { int b[10][5] ; int (*q)[10][5] = &b ; printf("%d", (char*)(q+1) -(char*)q); } [/CODE] the output it produces is 200 while if I change the typecast to (int *)(q+1)-(int *)q, the output is 50. I know that q is a pointer to …

Here is a code [CODE] #include<stdio.h> int main(void) { int a; a=f(10,3.14); printf("%d",a); } int f(int aa,float bb) { return (aa+bb); } [/CODE] If I run the code it produces garbage value, but if I declare the prototype of the function before main it produces the correct output as 13. …