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1. 鏁扮粍 H[ 1錛?/span>1000] 涓瓨鏀劇潃1000涓ぇ灝忎笉鍚岀殑姝ｆ暣鏁?/span>;

銆€銆€錛?/span>1錛?/span> 閫夋嫨涓€鍒嗙被綆楁硶浣胯兘鏈€蹇湴寰楀埌鍏朵腑10涓渶澶х殑鏁幫紝綆€瑕佽鏄庣悊鐢憋紱

銆€銆€錛?/span>2錛?/span> 緙栧啓涓€紼嬪簭seek() 錛屾墽琛岃紼嬪簭鏃訛紝鍦ㄥ懡浠よ涓彁渚涗簩涓弬鏁幫紱

銆€銆€seek a n<enter> 琛ㄧず闇€鎵撳嵃H[ ]涓?/span>n涓渶澶ф暟銆?/span>

銆€銆€seek I n<enter> 琛ㄧず闇€鎵撳嵃H[ ]涓?/span>n涓渶灝忔暟銆?/span> 銆?a target="_blank">嫻欐睙澶у 1994 鍏?/span> (18鍒?/span>)銆?/span>

銆€銆€銆愬弬鑰冪瓟妗堛€?/span>

銆€銆€錛?/span>1錛夊湪n涓鏁存暟涓紝閫夊嚭k(k<<m錛変釜鏈€澶х殑鏁幫紝搴斾嬌鐢ㄥ爢鎺掑簭鏂規(guī)硶銆傚娣卞害涓?/span>h鐨勫爢錛岀瓫閫夌畻娉曚腑鍏抽敭瀛楃殑姣旇緝嬈℃暟鑷沖涓?/span>2錛?/span>h-1錛夋銆傚緩鍫嗘€誨叡榪涜鐨勫叧閿瓧姣旇緝嬈℃暟涓嶈秴榪?/span>4n錛屽爢鎺掑簭鍦ㄦ渶鍧忔儏鍐典笅鐨勬椂闂村鏉傚害鏄?/span>O(nlogn錛夈€?/span>

銆€銆€int r[1000]; // r[1000]鏄暣鍨嬫暟緇?/span>

銆€銆€錛?/span>2錛?/span>void sift(int r[],int k,m,tag)

銆€銆€//宸茬煡r[k+1..m]鏄爢錛屾湰綆楁硶灝?/span>r[k..m]璋冩暣鎴愬爢錛?/span>tag=1寤虹珛澶ф牴鍫?/span>,tag=2寤虹珛灝忔牴鍫?/span>

銆€銆€{i=k;j=2*i;x=r[k];

銆€銆€while (j<=m)

銆€銆€{if (tag==2) //寤虹珛灝忔牴鍫?/span>

銆€銆€{if (j<m && r[j]>r[j+1]) j++;//娌垮叧閿瓧灝忕殑鏂瑰悜絳涢€?/span>

銆€銆€if(r[j]<x)) {r[i]=r[j];i=j;j=2*i;}

銆€銆€else break;}

銆€銆€else //寤虹珛澶ф牴鍫?/span>

銆€銆€{if (j<m && r[j]<r[j+1]) j++;//娌垮叧閿瓧灝忕殑鏂瑰悜絳涢€?/span>

銆€銆€if(r[j]>x) {r[i]=r[j];i=j;j=2*i;}

銆€銆€else break;}

銆€銆€}

銆€銆€r[i]=x;

}//sift

main(int argc,char *argv[])

銆€銆€//鏍規(guī)嵁鍛戒護琛屼腑鐨勮緭鍏ワ紝浠?/span>1000涓暟涓€夊彇n涓渶澶ф暟鎴?/span>n涓渶灝忔暟

銆€銆€{int m=1000,i,j;

銆€銆€n=augv[2]; //浠庡懡浠よ杈撳叆鐨勭浜屼釜鍙傛暟鏄渶瑕佽緭鍑虹殑鏁扮殑涓暟

銆€銆€if(n>m){printf(鈥滃弬鏁伴敊璇?/span>\n鈥?/span>);exit(0);}

銆€銆€for(i=0;i<m;i++) scanf(鈥?/span>%d鈥?/span>,&r[i]); //杈撳叆1000涓ぇ灝忎笉鍚岀殑姝ｆ暣鏁?/span>

銆€銆€if (augv[1]==鈥?/span>a鈥?/span>) //杈撳嚭n涓渶澶ф暟錛岃姹傚緩绔嬪ぇ鏍瑰爢

銆€銆€{for(i=m/2;i>0;i--) sift(r,i,m,1)

銆€銆€printf(鈥?/span>%d涓渶澶ф暟渚濇涓?/span>\n鈥?/span>,n);

銆€銆€for(i=m;i>m-n+1;i--) //杈撳嚭n涓渶澶ф暟

銆€銆€{printf(鈥?/span>%5d鈥?/span>,r[i]); j++; if((j+1)%5==0) printf(鈥?/span>\n鈥?/span>);//涓€琛屾墦鍗?/span>5涓暟

銆€銆€sift(r,1,i-1,1); } //璋冨爢

銆€銆€}

銆€銆€else //(augv[1]==鈥?/span>i鈥?/span>) //杈撳嚭n涓渶灝忔暟錛岃姹傚緩绔嬪皬鏍瑰爢

銆€銆€{for(i=m/2;i>0;i--) sift(r,i,m,2)

銆€銆€printf(鈥?/span>%d涓渶灝忔暟渚濇涓?/span>\n鈥?/span>,n);

銆€銆€for(i=m;i>m-n+1;i--) //杈撳嚭n涓渶灝忔暟

銆€銆€{printf(鈥?/span>%5d鈥?/span>,r[i]); j++; if((j+1)%5==0) printf(鈥?/span>\n鈥?/span>);//涓€琛屾墦鍗?/span>5涓暟

銆€銆€sift(r,1,i-1,2); } //璋冨爢

銆€銆€}

銆€銆€}//main

銆€銆€[綆楁硶璁ㄨ]綆楁硶璁ㄨ浜嗗緩鍫嗭紝騫惰緭鍑?/span>n錛?/span>n灝忎簬絳変簬m錛変釜鏈€澶?/span>(灝?/span>)鏁扮殑鎯呭喌錛岀敱浜庤姹傝緭鍑?/span>n涓渶澶ф暟鎴栨渶灝忔暟錛屽繀欏誨緩绔嬫瀬澶у寲鍫嗗拰鏋佸皬鍖栧爢銆傛敞鎰忚緭鍑烘椂鐨?/span>for寰幆鎺у埗鍒板彉閲?/span>i浠?/span>m鍙樺寲鍒?/span>m-n+1錛岃繖鏄爢鐨勬€ц川鍐沖畾鐨勶紝鍙湁鍫嗛《鍏冪礌鎵嶆槸鏈€澶?/span>(灝?/span>)鐨勩€傝閬垮厤浣?/span>i浠?/span>1鍒?/span>n鏉ヨ緭鍑?/span>n涓渶澶?/span>(灝?/span>)鏁扮殑閿欒銆?/span>