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array contains zeros and ones as elements.we need to bring
zeros one side and one other side in single parse.
ex:a[]={0,0,1,0,1,1,0,0}
o/p={0,0,0,0,0,1,1,1}
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Answer Posted / asdf
/* Here is a solution for the above problem using
* pointers.Please add on your comments.
*/
#include<stdio.h>
void swap(int *x,int *y);
void array_shift(int *a,int n);
int main() {
/* A sample array of 8 elements taken */
int a[] = {0,0,1,0,1,1,0,0};
int i;
printf("Before shift array\n");
/* Number of elements in the array is 8 */
for (i = 0;i < 8;++i) {
printf("%d\t",a[i]);
}
/* Number of elements in the array is 8 */
array_shift(a,8);
printf("\nafter shift array\n");
for (i = 0;i < 8;++i) {
printf("%d\t",a[i]);
}
return 0;
}
void swap(int *x,int *y) {
int temp;
temp = *x;
*x = *y;
*y = temp;
}
void array_shift(int *a,int n) {
int *ptr_beg = &a[0];
int *ptr_end = &a[n-1];
while(ptr_beg <= ptr_end) {
if(*ptr_beg) {
if(!(*ptr_end)) {
swap(ptr_beg,ptr_end);
} else {
ptr_end--;
}
} else {
ptr_beg++;
}
}
}
| Is This Answer Correct ? | 3 Yes | 0 No |
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