python输入3个数将其排序后输出。要求如下：（1）编写1个函数sort实现三个数排序。（2）另编写一个程序？ 关于Python中sort函数赋值的问题
\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\uff0c\u5bf910\u4e2a\u6574\u6570\u6309\u964d\u5e8f\u6392\u5e8f\u3002\u5728\u4e3b\u51fd\u6570\u8f93\u516510\u4e2a\u6570\uff0c\u8c03\u7528\u8be5\u51fd\u6570\uff0c\u8f93\u51fa\u6392\u5e8f\u540e\u7684\u7ed3\u679c\u3002\u4ee3\u7801\u5982\u4e0b\uff1a
\u4e00\u3001\u5934\u6587\u4ef6\uff1a
#include
#define N 10
\u4e8c\u3001\u8f93\u5165\u51fd\u6570\uff0c\u83b7\u53d6\u8f93\u5165\u503c\uff1a
void sort(int a[],int n){ int i, j; int temp = 0; for (i = 0; i < n - 1; i++) { for (j = 0; j < n - 1 - i; j++) { if (a[j] < a[j + 1]) { temp = a[j]; a[j] = a[j + 1]; a[j + 1] = temp; } }}
}
\u4e09\u3001\u9009\u62e9\u6392\u5e8f\u51fd\u6570\uff1a
void select_sort(int *a, int n){ int i, j; int temp, max; for (i = 0; i < n - 1; i++) { max = i; for (j = i + 1; j < n; j++) if (a[max] < a[j]) max = j; if (max != i) { temp = a[max]; a[max] = a[i]; a[i] = temp; } }}
\u4e09\u3001\u4e3b\u51fd\u6570\uff0c\u6267\u884c\u3002
int main(void){ int a[N], i; for (i = 0; i < N; i++) { scanf("%d", &a[i]); } //sort(a, N); select_sort(a, N); for (i = 0; i < N; i++) { printf("%d,", a[i]); } putchar(10); return 0;}
\u6269\u5c55\u8d44\u6599\uff1a
C\u8bed\u8a00\u6392\u5e8f\u76843\u79cd\u65b9\u6cd5\uff1a
1\u3001\u5192\u6ce1\u6cd5\uff1a
\u601d\u60f3:\u6bcf\u6b21\u76f8\u90bb\u4e24\u4e2a\u6570\u6bd4\u8f83,\u82e5\u5347\u5e8f,\u5219\u5c06\u5927\u7684\u6570\u653e\u5230\u540e\u9762,\u4e00\u6b21\u5faa\u73af\u8fc7\u540e\uff0c\u5c31\u4f1a\u5c06\u6700\u5927\u7684\u6570\u653e\u5728\u6700\u540e\u3002
2\u3001\u9009\u62e9\u6392\u5e8f\uff1a
\u4ece\u7b2c\u4e00\u4e2a\u6570\u5f00\u59cb,\u6bcf\u6b21\u548c\u540e\u9762\u5269\u4f59\u7684\u6570\u8fdb\u884c\u6bd4\u8f83,\u82e5\u5347\u5e8f,\u5219\u5982\u679c\u540e\u8fb9\u7684\u6570\u6bd4\u5f53\u524d\u6570\u5b57\u5c0f,\u8fdb\u884c\u4ea4\u6362,\u548c\u540e\u9762\u7684\u6240\u6709\u7684\u6570\u6bd4\u8f83\u3001\u4ea4\u6362\u540e,\u5c31\u4f1a\u5c06\u5f53\u524d\u7684\u6700\u5c0f\u503c\u653e\u5728\u5f53\u524d\u7684\u4f4d\u7f6e\u3002
3\u3001\u63d2\u5165\u6392\u5e8f\uff1a
\u7528\u6251\u514b\u7684\u65b9\u6cd5\u89e3\u91ca\uff0c\u9996\u5148\u62bd\u5230\u7b2c\u4e00\u5f20\u724c\uff0c\u5c06\u5b83\u653e\u5728\u7b2c\u4e00\u4f4d\uff0c\u6392\u5e8f\u662f\u4ece\u7b2c\u4e8c\u6b21\u62bd\u724c\u5f00\u59cb\uff0c\u7b2c\u4e8c\u6b21\u62bd\u8d77\u4e00\u5f20\u724c3\uff0c\u5b83\u6bd49\u5c0f\uff0c\u6240\u4ee5\u5c069\u5411\u540e\u79fb\u4e00\u3002\u4f4d\u7136\u540e\u628a3\u653e\u57289\u539f\u6765\u7684\u4f4d\u7f6e\u3002\u518d\u6b21\u62bd\u724c2\uff0c\u53d1\u73b0\u5b83\u5e94\u8be5\u518d3\u7684\u524d\u9762\uff0c\u6240\u4ee5\u5c063\u548c9\u5411\u540e\u79fb\uff0c\u628a2\u653e\u52303\u539f\u6765\u7684\u4f4d\u7f6e... ... \u4ee5\u6b64\u7c7b\u63a8\u7684\u601d\u7ef4\u3002
Python\u4e2d\u7684sort()\u65b9\u6cd5\u7528\u4e8e\u6570\u7ec4\u6392\u5e8f\uff0c\u672c\u6587\u4ee5\u5b9e\u4f8b\u5f62\u5f0f\u5bf9\u6b64\u52a0\u4ee5\u8be6\u7ec6\u8bf4\u660e\uff1a
\u4e00\u3001\u57fa\u672c\u5f62\u5f0f
\u5217\u8868\u6709\u81ea\u5df1\u7684sort\u65b9\u6cd5\uff0c\u5176\u5bf9\u5217\u8868\u8fdb\u884c\u539f\u5740\u6392\u5e8f\uff0c\u65e2\u7136\u662f\u539f\u5740\u6392\u5e8f\uff0c\u90a3\u663e\u7136\u5143\u7ec4\u4e0d\u53ef\u80fd\u62e5\u6709\u8fd9\u79cd\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5143\u7ec4\u662f\u4e0d\u53ef\u4fee\u6539\u7684\u3002
123
x = [4, 6, 2, 1, 7, 9]x.sort()print x # [1, 2, 4, 6, 7, 9]
\u5982\u679c\u9700\u8981\u4e00\u4e2a\u6392\u5e8f\u597d\u7684\u526f\u672c\uff0c\u540c\u65f6\u4fdd\u6301\u539f\u6709\u5217\u8868\u4e0d\u53d8\uff0c\u600e\u4e48\u5b9e\u73b0\u5462
12345
x =[4, 6, 2, 1, 7, 9]y = x[ : ]y.sort()print y #[1, 2, 4, 6, 7, 9]print x #[4, 6, 2, 1, 7, 9]
\u6ce8\u610f\uff1ay = x[:] \u901a\u8fc7\u5206\u7247\u64cd\u4f5c\u5c06\u5217\u8868x\u7684\u5143\u7d20\u5168\u90e8\u62f7\u8d1d\u7ed9y\uff0c\u5982\u679c\u7b80\u5355\u7684\u628ax\u8d4b\u503c\u7ed9y\uff1ay = x\uff0cy\u548cx\u8fd8\u662f\u6307\u5411\u540c\u4e00\u4e2a\u5217\u8868\uff0c\u5e76\u6ca1\u6709\u4ea7\u751f\u65b0\u7684\u526f\u672c\u3002
\u53e6\u4e00\u79cd\u83b7\u53d6\u5df2\u6392\u5e8f\u7684\u5217\u8868\u526f\u672c\u7684\u65b9\u6cd5\u662f\u4f7f\u7528sorted\u51fd\u6570\uff1a
1234
x =[4, 6, 2, 1, 7, 9]y = sorted(x)print y #[1, 2, 4, 6, 7, 9]print x #[4, 6, 2, 1, 7, 9]
sorted\u8fd4\u56de\u4e00\u4e2a\u6709\u5e8f\u7684\u526f\u672c\uff0c\u5e76\u4e14\u7c7b\u578b\u603b\u662f\u5217\u8868\uff0c\u5982\u4e0b\uff1a
1
print sorted('Python') #['P', 'h', 'n', 'o', 't', 'y']
\u4e8c\u3001\u81ea\u5b9a\u4e49\u6bd4\u8f83\u51fd\u6570
\u53ef\u4ee5\u5b9a\u4e49\u81ea\u5df1\u7684\u6bd4\u8f83\u51fd\u6570\uff0c\u7136\u540e\u901a\u8fc7\u53c2\u6570\u4f20\u9012\u7ed9sort\u65b9\u6cd5\uff1a
12345678910111213
def comp(x, y):if x y:return -1else:return 0 nums = [3, 2, 8 ,0 , 1]nums.sort(comp)print nums # \u964d\u5e8f\u6392\u5e8f[8, 3, 2, 1, 0]nums.sort(cmp) # \u8c03\u7528\u5185\u5efa\u51fd\u6570cmp \uff0c\u5347\u5e8f\u6392\u5e8fprint nums # \u964d\u5e8f\u6392\u5e8f[0, 1, 2, 3, 8]
\u4e09\u3001\u53ef\u9009\u53c2\u6570
sort\u65b9\u6cd5\u8fd8\u6709\u4e24\u4e2a\u53ef\u9009\u53c2\u6570\uff1akey\u548creverse
1\u3001key\u5728\u4f7f\u7528\u65f6\u5fc5\u987b\u63d0\u4f9b\u4e00\u4e2a\u6392\u5e8f\u8fc7\u7a0b\u603b\u8c03\u7528\u7684\u51fd\u6570\uff1a
123
x = ['mmm', 'mm', 'mm', 'm' ]x.sort(key = len)print x # ['m', 'mm', 'mm', 'mmm']
2\u3001reverse\u5b9e\u73b0\u964d\u5e8f\u6392\u5e8f\uff0c\u9700\u8981\u63d0\u4f9b\u4e00\u4e2a\u5e03\u5c14\u503c\uff1a
123
y = [3, 2, 8 ,0 , 1]y.sort(reverse = True)print y #[8, 3, 2, 1, 0]
def sort(l):
result = []
for i in range(3):
result.append(l.pop(l.index(min(l))))
return result
a = []
for i in range(3):
a.append(eval(input('请输入第{}个数：'.format(i + 1))))
print(sort(a))
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绛旓細a=[2,1,3];print("鎺掑簭鍓",a);a.sort()print("鎺掑簭鍚",a);
绛旓細浣犲彲浠ヤ娇鐢≒ython鍐呯疆鐨剆orted()鍑芥暟瀵硅緭鍏ョ殑鏁板瓧鍜屾暟缁勮繘琛屾帓搴銆俿orted()鍑芥暟鍙互鎺ュ彈涓涓彲杩唬瀵硅薄浣滀负鍙傛暟锛屽苟杩斿洖涓涓柊鐨勫凡鎺掑簭鐨勫垪琛ㄣ備緥濡傦紝濡傛灉浣犳湁涓涓寘鍚暟瀛楀拰鏁扮粍鐨勫垪琛紝浣犲彲浠ヤ娇鐢ㄤ互涓嬩唬鐮佸鍏惰繘琛屾帓搴忥細my_list = [3, 1, 4, [1, 5, 9], [2, 6, 5, 3]]sorted_list = sor...
绛旓細for i in range(3):a.append(eval(input('璇杈撳叆绗瑊}涓暟锛'.format(i + 1)))print(sort(a))
绛旓細python data = [1, 1, 2, 2, 3, 3]鏋氫妇鎵鏈夊彲鑳界殑鎺掑垪缁勫悎 for i in range(len(data)):for j in range(i+1, len(data)):for k in range(j+1, len(data)):print(data[i], data[j], data[k])杩欐浠ｇ爜棣栧厛瀹氫箟浜嗕竴涓寘鍚1銆1銆2銆2銆3銆3鐨勫垪琛╠ata銆傜劧鍚庯紝瀹冧娇鐢涓変釜...
绛旓細L = [3, 1, 2]L.sort()print(L)
绛旓細a.isdigit(): a = int(a) elif a=='#': print('杈撳叆缁撴潫') break else: print('璇杈撳叆鏁板瓧') continue lt.append(a)#鎵撳嵃婧愬簭鍒梡rint('婧愬簭鍒楋細',lt)# 鎺掑簭lt.sort()# 鎵撳嵃鎺掑簭鍚庡簭鍒梡rint('鎺掑簭鍚庯細', lt)...
绛旓細python姣旇緝涓変釜鏁鐨勫ぇ灏鎺掑簭鐨勬柟娉曪細杩欐槸鏈瀹规槗鐞嗚В鐨勬柟娉曞湪涔嬪墠鍒ゆ柇涓や釜鏁板ぇ灏忕殑鍩虹涓婏紝鍦╥f璇彞涓祵濂椾竴涓猧f璇彞锛岀粡杩囧娆″垽鏂緱鍑烘渶澶ф暟銆傝繖鏍峰彲浠ュ啀寮曠敤鍑芥暟涓皢寮曠敤鐨勫嚱鏁板彉涓簃ax锛坅,b,c锛夋垨鑰呭湪姣旇緝涓や釜鏁扮殑鍑芥暟鍦ㄤ富绋嬪簭閲屽彉涓簃ax=max锛坢ax锛坅,b锛,c锛変笅闈粙缁嶄竴涓笁鍏冭繍绠楃锛岃繖涓繍绠楃...
绛旓細鐩村埌鍒嗘垚涓缁勶紝鎺掑簭瀹屾垚 鍏朵腑浠ユ彃鍏ユ帓搴+鍒嗙粍瀹炵幇 鏃堕棿澶嶆潅搴(n^1.3)5.鍐掓场鎺掑簭 涓娆℃瘮杈冧袱涓厓绱狅紝鏃堕棿澶嶆潅搴(n)6.蹇熸帓搴 low=left;high=right;灏嗗熀鍑嗘暟鎸栧嚭褰㈡垚绗竴涓潙key銆俽ight--鐢卞悗鍚戝墠鎵炬瘮瀹冨皬鐨勬暟锛屾壘鍒板悗鎸栧嚭姝ゆ暟濉墠涓涓潙key涓俵eft++鐢卞墠鍚戝悗鎵炬瘮瀹冨ぇ鐨勬暟锛屾壘鍒板悗涔熸寲鍑...
绛旓細濡傛灉涓嶅湪锛岄娆″嚭鐜扮粺璁″鍔犳柊key锛岀粺璁℃暟鍒濆鍖栦负1 dic[line]= 1 fp.close()璇诲畬鏂囦欢锛屽叧闂枃浠 鎸塿alue鎺掑簭锛岃繑鍥炴槸涓涓厓缁勭殑鍒楄〃 aftersort = sorted(dic.items(),key=lambda dic:dic[1])print aftersort 鎵撳嵃鎺掑簭鍚庡垪琛紝鍙寜鐓ц嚜宸遍渶姹傛彁鍙栨墦鍗 缁撴灉锛歞ata.txt閲屽瓨鏈 qiang song wan qiang...
