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Q&A What does the greater than 0 indicate in the case of this statement 'if (compare(A[j], A[j+1]) > 0)' ? Thank you.

Question: There is a list of integers in an array (3,2,1,5,6,4), sort this list in both ASCENDING & DESCENDING order. Create a sort function. #include<stdio.h> #include<stdlib.h> ...

1 answer · posted 3y ago by dumplings‭ · last activity 3y ago by Lundin‭

Question c pointers function-pointers

#2: Post edited by

Alexei‭ · 2021-12-06T05:56:16Z (about 3 years ago)
properly formatted the code

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~~Question: There are a list of integers in an array (3,2,1,5,6,4), sort this list in both ASCENDING & DESSCENDING order. Create a sort function.*/~~
#include<stdio.h>
#include<stdlib.h>
void BubbleSort (int A[], int n, int (*compare)(int, int)){
~~int i,j,temp;~~
~~for (i=0; i<n; i++){~~
~~for(j=0; j<n-1; j++){~~
~~if (compare(A[j], A[j+1]) > 0){ //regarding this line of code~~
~~temp = A[j];~~
~~A[j] = A[j+1];~~
~~A[j+1] = temp;~~
}
}
}
}
`
int main (){
int i, A[] = {3,2,1,5,6,4};
BubbleSort(A,6);
for (i=0; i<6; i++){
printf("%d", A[i]);
}
}`

Question: There is a list of integers in an array (3,2,1,5,6,4), sort this list in both ASCENDING & DESCENDING order. Create a sort function.
```c
#include<stdio.h>
#include<stdlib.h>
void BubbleSort (int A[], int n, int (*compare)(int, int)){
int i,j,temp;
for (i=0; i<n; i++){
for(j=0; j<n-1; j++){
if (compare(A[j], A[j+1]) > 0){ //regarding this line of code
temp = A[j];
A[j] = A[j+1];
A[j+1] = temp;
}
}
}
}
int main (){
int i, A[] = {3,2,1,5,6,4};
BubbleSort(A,6);
for (i=0; i<6; i++){
printf("%d", A[i]);
}
}
```

#1: Initial revision by

dumplings‭ · 2021-12-06T03:15:16Z (about 3 years ago)

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What does the greater than 0 indicate in the case of this statement 'if (compare(A[j], A[j+1]) > 0)' ? Thank you.

Question: There are a list of integers in an array (3,2,1,5,6,4), sort this list in both ASCENDING & DESSCENDING order. Create a sort function.*/


#include<stdio.h>

#include<stdlib.h>



void BubbleSort (int A[], int n, int (*compare)(int, int)){

     int i,j,temp;        
     for (i=0; i<n; i++){  
       for(j=0; j<n-1; j++){ 
        if (compare(A[j], A[j+1]) > 0){ //regarding this line of code
            temp = A[j];
            A[j] = A[j+1];
            A[j+1] = temp;
        }
     }
}
}


`
int main (){

    int i, A[] = {3,2,1,5,6,4};
    BubbleSort(A,6);     
    for (i=0; i<6; i++){
        printf("%d", A[i]);
    }
}`

c pointers function-pointers

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