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鍋氳嚜宸辨兂鍋氱殑浜嬶紝鍚屾椂涓轟粬浜哄甫鏉ヨ帿澶х殑鐩婂錛屽氨鏄嫢鏈夌湡姝ｇ殑璐㈠瘜
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浜х敓鎸囧畾鑼冨洿鍐呯殑闅忔満鍏冪礌闆嗙殑鏈浣蟲柟娉曟槸鍒涘緩涓涓『搴忓簭鍒楋紙涔熷氨鏄悜閲忔垨鑰呭唴緗暟緇勶級錛屽湪榪欎釜欏哄簭搴忓垪涓惈鏈夋寚瀹氳寖鍥寸殑鎵鏈夊箋備緥濡傦紝濡備綍浣犻渶瑕佷駭鐢?00涓?-99涔嬮棿鐨勬暟錛岄偅涔堝氨鍒涘緩涓涓悜閲忓茍鐢?00涓寜鍗囧簭鎺掑垪鐨勬暟濉厖鍚戦噺錛?
#include <vector>
using std::vector;
int main()
{
vector<int> vi;
for (int i = 0; i < 10; i++)
vi.push_back(i);
/*鐜板湪鍚戦噺鍖呭惈浜?100 涓?0-99 涔嬮棿鐨勬暣鏁板茍涓旀寜鍗囧簭鎺掑垪*/
}
濉厖瀹屽悜閲忎箣鍚庯紝鐢╮andom_shuffle()綆楁硶鎵撲貢鍏冪礌鎺掑垪欏哄簭銆俽andom_shuffle()瀹氫箟鍦ㄦ爣鍑嗙殑澶存枃浠?lt;algorithm.h>涓傚洜涓?br>鎵鏈夌殑STL綆楁硶閮芥槸鍦ㄥ悕瀛楃┖闂磗td::涓０鏄庣殑錛屾墍浠ヤ綘瑕佹敞鎰忔紜湴澹版槑鏁版嵁綾誨瀷銆俽andom_shuffle()鏈変袱涓弬鏁幫紝絎竴涓弬鏁版槸鎸囧悜搴忓垪棣栧厓绱犵殑榪唬鍣紝絎簩涓弬鏁板垯鎸囧悜搴忓垪鏈鍚庝竴涓厓绱犵殑涓嬩竴涓綅緗備笅鍒椾唬鐮佹鐢╮andom_shuffle()綆楁硶鎵撲貢浜嗗厛鍓嶅～鍏呭埌鍚戦噺涓殑鍏冪礌錛?
include <algorithm>
using std::random_shuffle;
random_shuffle(vi.begin(), vi.end()); /* 鎵撲貢鍏冪礌 */
for (int i = 0; i < 100; i++) cout<<vi[i]; /* 鏄劇ず琚墦涔遍『搴忕殑鍏冪礌 */random_shuffle()鏄釜瀹屽叏閫氱敤鐨勭畻娉?閫傜敤浜庡唴寤虹殑鏁版嵁綾誨瀷鍜岀敤鎴瘋嚜瀹氫箟綾誨瀷銆備笅闈㈢殑渚嬪瓙鍒涘緩浜嗕竴涓湁7涓瓧絎︿覆瀵硅薄鐨勫悜閲忥紝瀹冨寘鍚竴鍛ㄧ殑澶╂暟騫朵嬌鐢╮andom_shuffle()鎵撲貢浠栦滑鐨勬帓鍒楅『搴忥細
#include <string>
#include <vector>
#include <algorithm>
#include <iostream>
using namespace std;
int main()
{
vector<string> vs;
vs.push_back(string ("Sunday"));
vs.push_back (string ("Monday"));
...
vs.push_back (string ("Saturday"));
random_shuffle(vs.begin(), vs.end()); /* 鎵撲貢欏哄簭 */
for (int i = 0; i << 7; i++)
cout<<vs[i]; /* 鏄劇ず鎵撲貢欏哄簭鍚庣殑鍏冪礌 */
}
濡備綍浣跨敤random_shuffle()澶勭悊鍐呯疆鏁扮粍鍦ㄤ嬌鐢ㄥ鍣ㄤ唬鏇垮唴緗暟緇勬椂錛屼綘涓嶈鏈変粈涔堣礋鎷呫傛墍鏈塖TL綆楁硶涓嶄粎閫傜敤浜庡鍣紝涔熼傜敤浜庡簭鍒椼傚洜姝わ紝浣犱篃鑳藉皢random_shuffle()綆楁硶搴旂敤浜庡唴緗暟緇勩傚彧鏄娉ㄦ剰random_shuffle()鐨勭浜屼釜鍙傛暟瑕佹寚鍚戞暟緇勪笂鐣岀殑涓嬩竴涓厓绱犱綅緗細
char carr[4] = {'a', 'b', 'c', 'd'};
/*carr+4 鎸囧悜鏁扮粍涓婄晫鐨勪笅涓涓厓绱犱綅緗?/
random_shuffle(carr, carr+4);
for (int i = 0; i < 4; i++)
cout<<carr[i]; /* 鏄劇ず琚墦涔遍『搴忕殑鍏冪礌 */
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