unsigned int A[N] (is global variable)
l - is left index
r - is right index
swap(unsigned int l , unsigned int r) {
tmp = A [ r ];
A [ r ] = A [ l ];
A[ l ] = tmp;
}
void reverse ( unsigned int l , unsigned int r ) {
if ( l + 1 >= r )
return;
reverse( l + 1 , r - 1 );
swap( l , r );
}
Call it by:
reverse ( 0 , N - 1 );
1
Anónimo
6 jul 2015
#include
#define ARRAY_SIZE 20
void reverse( int *array, unsigned int l, unsigned int r );
int main(int argc, char** argv) {
int array[ARRAY_SIZE];
int i;
printf("Before: ");
for( i = 0; i = r ) {
return;
}
int tmp = array[l];
array[l] = array[r];
array[r] = tmp;
reverse( array, l+1, r-1);
}