int a[]={-1,34,23,9,24,31};
void main(void){int i,j,tmp;int k=(sizeof(a)/sizeof(int));for(i=0;i<k-1;i++){for(j=0;j<k-i-1;j++){if(a[j]>a[j+1]){tmp=a[j];a[j]=a[j+1];a[j+1]=tmp;}}}while(1){
}