1=3,2=3,3=5,4=？为什么 为什么int a[]={1,2,3,4,5}是对的，而int...
1=5\uff0c2=15\uff0c3=215\uff0c4=2145\uff0c5=\u591a\u5c11\uff1f\u8bf7\u6c42\u8be6\u7ec6\u89e3\u7b54\u4ee5\u53ca\u7b97\u6cd55=21 485.
\u89e3\u7b54\u5982\u4e0b\uff1a
\u89c2\u5bdf\u7ed9\u51fa\u7684\u5f0f\u5b50\uff1a5\u662f\u516c\u6709\u7684\uff0c\u56e0\u6b64\u4e0d\u5fc5\u8003\u8651\uff1b\u76f4\u63a5\u770b5\u524d\u9762\u7684\u6570\u5b57(\u53730\uff0c1\uff0c21\uff0c214)\uff0c\u76f8\u52a0(\u5206\u522b\u5f970\uff0c1\uff0c3\uff0c7)\uff0c\u518d\u76f8\u51cf(\u5373\u5f971\uff0c2\uff0c4)\uff1b
\u5177\u4f53\u5982\u4e0b\uff1a1=5\uff0c1\uff0d0=1\uff0c20=1\uff0c2=15\uff1b3\uff0d1=2\uff0c2=21\uff1b3=215\uff0c2+1=3\uff0c7\uff0d3=4\uff0c4=22\uff1b4=2 145\uff0c2+1+4+5=7\uff0c23=8\uff0c\u6240\u4ee55=21 485
\u6269\u5c55\u8d44\u6599\uff1a
\u6570\u5b66\uff08mathematics\u6216maths\uff0c\u6765\u81ea\u5e0c\u814a\u8bed\uff0c\u201cm\u00e1th\u0113ma\u201d\uff1b\u7ecf\u5e38\u88ab\u7f29\u5199\u4e3a\u201cmath\u201d\uff09\uff0c\u662f\u7814\u7a76\u6570\u91cf\u3001\u7ed3\u6784\u3001\u53d8\u5316\u3001\u7a7a\u95f4\u4ee5\u53ca\u4fe1\u606f\u7b49\u6982\u5ff5\u7684\u4e00\u95e8\u5b66\u79d1\uff0c\u4ece\u67d0\u79cd\u89d2\u5ea6\u770b\u5c5e\u4e8e\u5f62\u5f0f\u79d1\u5b66\u7684\u4e00\u79cd\u3002\u6570\u5b66\u5bb6\u548c\u54f2\u5b66\u5bb6\u5bf9\u6570\u5b66\u7684\u786e\u5207\u8303\u56f4\u548c\u5b9a\u4e49\u6709\u4e00\u7cfb\u5217\u7684\u770b\u6cd5\u3002
\u800c\u5728\u4eba\u7c7b\u5386\u53f2\u53d1\u5c55\u548c\u793e\u4f1a\u751f\u6d3b\u4e2d\uff0c\u6570\u5b66\u4e5f\u53d1\u6325\u7740\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f5c\u7528\uff0c\u4e5f\u662f\u5b66\u4e60\u548c\u7814\u7a76\u73b0\u4ee3\u79d1\u5b66\u6280\u672f\u5fc5\u4e0d\u53ef\u5c11\u7684\u57fa\u672c\u5de5\u5177\u3002
int a[]={1,2,3,4,5}\u5b9e\u9645\u4e0a\u662f\u7528{1,2,3,4,5}\u521d\u59cb\u5316\u7a7a\u95f4\u540e\uff0c\u5206\u914d\u7ed9a \uff1bint*p\u8fd9\u4e2a\u5b9a\u4e49\u6839\u636eANSI C++\u7684\u89c4\u5b9ap\u4e3a\u6307\u9488\uff0c\u5fc5\u987b\u663e\u5f0f\u4e3a\u5176\u5206\u914d\u7a7a\u95f4\uff0c\u5426\u5219p\u6307\u5411\u7684\u672a\u77e5\u4e0d\u5b9a\u3002
\u4e8c\u8005\u7684\u5dee\u5f02\u662fAnsi/ISO C++\u89c4\u8303\u51b3\u5b9a\u7684\u3002
2的英语是two 3个字母
剩下不用多说了吧
3
因为1=3 2=3 3=3（没错吧）5=3
所以中间的4也是等于3
绛旓細鍔犳暟鍔犲嚑锛屽拰灏卞姞鍑
绛旓細4-1=3 5-2=3 6-3=3 鎵浠4=7 寰堥珮鍏翠负浣犺В绛旓紝甯屾湜鑳藉甯姪鍒颁綘銆傜浣犲涔犺繘姝ワ紒濡傛湁鐤戦棶璇疯拷闂紝鎰挎剰瑙ｇ枒绛旀儜銆傚鏋滄槑鐧斤紝骞朵笖瑙ｅ喅浜嗕綘鐨勯棶棰橈紝璇峰強鏃堕噰绾充负鏈浣崇瓟妗堬紒O(鈭鈭)O
绛旓細1銆1=5锛2=10锛3=15锛4=20锛屾寜鐓ф甯镐汉鐨勬濈淮閫昏緫锛5浼氫緷娆″湪绛夊彿鍚庨潰鍔犱笂5锛屼篃灏辨槸25銆備絾鏄繖鏄竴閬撹剳绛嬫ヨ浆寮殑棰橈紝鍓嶉潰宸茬粡缁欏嚭浜1=5锛屾墍浠ュ悗闈㈢殑5鑷劧灏辩瓑浜1浜嗐傛壘瑙勫緥鐨勬柟娉曪細1銆佹爣鍑哄簭鍒楀彿锛氭壘瑙勫緥鐨勯鐩紝閫氬父鎸夌収涓瀹氱殑椤哄簭缁欏嚭涓绯诲垪閲忥紝瑕佹眰鎴戜滑鏍规嵁杩欎簺宸茬煡鐨勯噺鎵惧嚭涓鑸寰嬨傛壘鍑...
绛旓細绛変簬42銆1=1锛2=2锛1+2=3锛3=4锛1+3=5锛2+3=6锛1+2+3=7锛岄偅涔4=8 浠ユ绫绘帹1+4=9锛2+4=10锛1+2+4=11锛3+4=12锛1+3+4=13锛2+3+4=14锛1+2+3+4=15锛5=16锛屸︹︿緥濡傦細32=16+16=锛1脳4锛夊钩鏂+锛1脳4锛夊钩鏂=銆1+1銆128=64+64=锛2脳4锛夊钩鏂+锛2脳4锛夊钩鏂...
绛旓細閫氶」寮忥細A(n) = (n-1)*A(n-1)A(1) = 3 A(2) = 1*3 = 3 A(3) = 2*3 = 6 A(4) = 3*6 = 18 A(5) = 4*18 = 72 鍗筹細2 绛変簬 3
绛旓細3涓7鍗5=1锛(3鍗7)梅5=2锛(3骞虫柟涓7鐨0娆℃柟锛変竴5=3锛(3鐨3娆℃柟涓7)梅5=4锛3鍗7涓5浜鐗5锛3脳(7涓5)=6锛3骞虫柟涓7鍗5=7锛3骞虫柟涓(7涓5)鐨0娆℃柟浜8锛3鍗7鐨0娆℃柟鍗5浜9锛(3鐨0娆℃柟鍗7鐨0娆℃柟)x5=10銆傝绠楃鍙锋槸璁＄畻鏁板鏃舵墍鐢ㄧ殑绗﹀彿锛岃绠楃鍙锋湁鍔犲彿銆佸噺鍙枫佷箻鍙枫侀櫎鍙...
绛旓細1=3锛1+1^2+1^3=3---1+1骞虫柟+1绔嬫柟=3 锛2=14锛2+2^2+2^3=14---2+2骞虫柟+2绔嬫柟=14 浠ヤ笅绫绘帹锛3=39锛3+3^2+3^3锛4=84锛4+4^2+4^3=84锛
绛旓細杩欎釜鏁板垪鐨勮寰嬫槸闅涓涓暟閮藉姞涓銆1鍜2涓棿闅斾簡涓涓3,2鍜3涓棿闅斾簡涓涓4锛屾墍浠ユ嫭鍙烽噷搴斿～4.1锛3锛2锛4锛3锛5锛岋紙4锛夛紝6锛5 鍦ㄥ鍒楁暟鎸変笅琛ㄦ柟寮忔帓鍒楋細1锛2锛3锛3锛4锛5锛4锛5锛6锛7锛5锛6锛7锛8锛9锛...姝ゆ暟涓100琛屼笂鍚勬暟涔嬪拰鏄紙600 锛夌鍗佽鐨勫悇鏁板拰鏄100+101+102+...
绛旓細5=1銆傚墠闈㈢殑棰樺共涓凡缁忕粰鍑轰簡瑕佹眰1=5锛岀瓑鍙鐨勪袱杈规槸鐩哥瓑鐨勶紝鍥犳5=1銆
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