#include "stdio.h"
int main(void) {
int temp, i, j;
int arr[5] = { 4, 7, 9, 1, 2 };
for (i=5; i > 0; i-- ) {
for (j=0; j < i-1; j++) {
if ( arr[j] > arr[j+1] ) {
temp = arr[j];
arr[j] = arr[j+i];
arr[j+1] = temp;
}
}
}
for ( i=0; i < 5; i++ )
return 0;
}
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