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1¡¢ ²åÈëÅÅÐò
±È½ÏºÍ½»»»µÄʱ¼ä¸´ÔÓ¶ÈΪO(n^2)£¬Ëã·¨×ÔÊÊÓ¦£¬¶ÔÓÚÊý¾ÝÒÑ»ù±¾ÓÐÐòµÄÇé¿ö£¬Ê±¼ä¸´ÔÓ¶ÈΪO(n)£¬Ëã·¨Îȶ¨£¬¿ªÏúºÜµÍ£¬ÊʺÏÓÚÊý¾ÝÒÑ»ù±¾ÓÐÐò»òÕßÊý¾ÝÁ¿Ð¡µÄÇé¿ö¡£
public void insertionSort() {// ²åÈëÅÅÐò

int out, in;

int count1 = 0, count2 = 0;// ¸´ÖÆ´ÎÊý£¬±È½Ï´ÎÊý

for (out = 1; out < nElems; out++) {

long temp = a[out];

in = out;

boolean flag=in>0&&a[in-1]>=temp;

while(flag){

if(a[in-1]>=temp){

if(in>0){

a[in]=a[in-1];

count1++;

--in;

}

}

count2++;

flag=in>0&&a[in-1]>=temp;

}

a[in] = temp;

}

System.out.println("¸´ÖÆ´ÎÊýΪ£º" + count1 + " ±È½Ï´ÎÊýΪ£º" + count2);

}

2¡¢ Ñ¡ÔñÅÅÐò
Ëã·¨²»Îȶ¨£¬O(1)µÄ¶îÍâµÄ¿Õ¼ä£¬±È½ÏµÄʱ¼ä¸´ÔÓ¶ÈΪO(n^2)£¬½»»»µÄʱ¼ä¸´ÔÓ¶ÈΪO(n)£¬²¢²»ÊÇ×ÔÊÊÓ¦µÄ¡£ÔÚ´ó¶àÊýÇé¿ö϶¼²»ÍƼöʹÓá£Ö»ÓÐÔÚÏ£Íû¼õÉÙ½»»»´ÎÊýµÄÇé¿öÏ¿ÉÒÔÓá£
public void selectionSort(){//Ñ¡ÔñÅÅÐò

int out, in, min;

for(out=0;out<nElems-1;out++){

min=out;

for(in=out+1;in<nElems;in++){

if(a[in]<a[min]){

min=in;

}

swap(out,min);

}

}

}

3¡¢ ðÅÝÅÅÐò
Ëã·¨Îȶ¨£¬O(1)µÄ¶îÍâµÄ¿Õ¼ä£¬±È½ÏºÍ½»»»µÄʱ¼ä¸´ÔӶȶ¼ÊÇO(n^2)£¬×ÔÊÊÓ¦£¬¶ÔÓÚÒÑ»ù±¾ÅÅÐòµÄËã·¨£¬Ê±¼ä¸´ÔÓ¶ÈΪO(n)¡£Ã°ÅÝËã·¨µÄÐí¶àÐÔÖʺͲåÈëËã·¨ÏàËÆ£¬µ«¶ÔÓÚϵͳ¿ªÏú¸ßÒ»µãµã¡£
public void bubbleSort() {// ðÅÝÅÅÐò£¬µ¥Ïî

int out, in;



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