int bucket[NUMBUKS], key[NUMKEYS], key2[NUMKEYS]

for(i=0; i<NUMBUKS; i++){  bucket[i] = 0; }
for(i=0; i<NUMKEYS; i++){  bucket[key[i]] = bucket[key[i]] +1 ; }
for(i=0; i<NUMBUKS; i++){  bucket[i] = bucket[i]  + bucket[i-1] ; }
for(i=0; i<NUMKEYS; i++){  key2[bucket[key[i]]] = key[i];  
         bucket[key[i]] = bucket[key[i]] -1;
}