Question

The following program sorts the array of numbers entered by the user and prints out the elements in descending order. It has many errors. Debug the code and show the output. #include <stdio.h> #define N 4 void desc(float *a, float *b) float tp; tp=a;
$a=b; b=tp; int main() int i, j, ii, mark[N] ; for (ii==0;ii<N;ii++) printf(Enter the %d th element of your array: \n,ii); s$

Answer 1

#include <stdio.h>
#define N 4

// it should integer pointers as array is integer
void desc(int *a, int *b) {
   float tp;
   tp=*a;
   *a=*b;
   *b=tp;
}

int main() {

   int i, j, ii, mark[N] ;

   for (ii==0;ii<N;ii++) {
       printf("Enter the %d th element of your array: \n",ii);
       // we should have & to read values
       scanf("%d", &mark[ii]);
   }

   printf("You have entered the following array: \n");
   // ; missed in the loop
   for (ii=0;ii<N;ii++)
       printf("%d ", mark[ii]);
   printf("\n ");

   for(j=1; j < N; j++){
       for (i=0; i< N-j; i++)
           if ( mark[i]< mark[i+1])
               desc(&mark[i], &mark[i+1]);
       }
   printf("The descending order of the array is \n");
   for(i=0;i<N; i++)
   // we should not use & for printing
       printf("%d ", mark[i]);
   printf("\n");

   return 0;
}

1 2 #include <stdio.h> #define N 4 4 5 // it should integer pointers as array is integer void desc(int *a, int b) { float tp; tp= a; ab; b tp; 12. int main() { int i, j, ii, mark[N] ; for (ii==0;ii<N;ii++) { print("Enter the %d th element of your array: \n", ii); // we should have & to read values Scan ("%d", &mark[ii]); print("You have entered the following array: \n"); Il; missed in the Loop for (ii=0;ii N;ii++) print("%d ", mark[ii]); print("\n"); for(j=1; j < N; j++){ for (i=0; i< N-j; i++) if (mark[i]<mark[i+1]) desc(mark[i], mark[i+1]); int"The descending order of the array is \n"); for(i=0;i<N; i++) // we should not use & for printing print("%d ", mark[i]); print("\n"); return; 40 } 41 42 | Enter the 2 th element of your array: Enter the 3 th element of your array: You have entered the following array: 5 2 84 The descending order of the array is 8 5 4 2

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