{"id":79285,"date":"2026-03-01T16:25:21","date_gmt":"2026-03-01T08:25:21","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/79285.html"},"modified":"2026-03-01T16:25:21","modified_gmt":"2026-03-01T08:25:21","slug":"c%e4%b8%ad%e7%9a%84%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/79285.html","title":{"rendered":"c++\u4e2d\u7684\u6570\u7ec4"},"content":{"rendered":"

\u6570\u7ec4<\/h3>\n

1.\u6982\u8ff02.\u4e00\u7ef4\u6570\u7ec43.\u4e8c\u7ef4\u6570\u7ec4<\/p>\n

\u6982\u8ff0<\/h4>\n

\u6570\u7ec4 \u5c31\u662f\u4e00\u4e2a\u96c6\u5408\u91cc\u9762\u5b58\u653e\u4e86\u76f8\u540c\u7c7b\u578b\u7684\u6570\u636e\u5143\u7d20\u7279\u70b9： 1.\u6bcf\u4e2a\u6570\u636e\u5143\u7d20\u90fd\u662f\u76f8\u540c\u7684\u6570\u636e\u7c7b\u578b 2.\u6570\u7ec4\u662f\u7531\u8fde\u7eed\u7684\u5185\u5b58\u4f4d\u7f6e\u7ec4\u6210\u7684<\/p>\n

\u4e00\u7ef4\u6570\u7ec4<\/h5>\n
\u5b9a\u4e49\u65b9\u6cd5<\/h6>\n

1.\u6570\u7ec4\u7c7b\u578b \u6570\u7ec4\u540d[\u6570\u7ec4\u957f\u5ea6];2.\u6570\u636e\u7c7b\u578b \u6570\u7ec4\u540d[\u6570\u7ec4\u957f\u5ea6] = (\u503c1,\u503c2…);3.\u6570\u636e\u7c7b\u578b \u6570\u7ec4\u540d[ ] = {\u503c1，\u503c2…};<\/p>\n

\u6570\u7ec4\u7684\u4e0b\u6807<\/h6>\n

\u6570\u7ec4\u7684\u4e0b\u8868\u662f\u4ece0\u5f00\u59cb\u7684 \u8303\u56f4\u662f0~n-1（n\u4e3a\u5143\u7d20\u7684\u6570\u91cf）==\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u4e0b\u6807\u662f\u4ece\u96f6\u5f00\u59cb\u7d22\u5f15\u7684==\u5728\u6570\u7ec4\u4e2d\u53ef\u4ee5\u901a\u8fc7\u5143\u7d20\u7684\u4e0b\u6807\u8bbf\u95ee\u5143\u7d20\u8c03\u7528\u6570\u7ec4\u4e2d\u5143\u7d20：\u6570\u7ec4\u540d[\u4e0b\u6807\/\u7d22\u5f15]\u4f8b\u5982 \u5728\u6570\u7ec4 int arr[3] = {10,20,30};\u4e2d：<\/p>\n\n\u5143\u7d20102030<\/tr>\n\n\n\n
\u4e0b\u6807<\/td>\n0<\/td>\n1<\/td>\n2<\/td>\n<\/td>\n<\/tr>\n
\u8bbf\u95ee\u5143\u7d20\u7684\u65b9\u5f0f<\/td>\narr[0]<\/td>\narr[1]<\/td>\narr[2]<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u4ee3\u7801\u793a\u4f8b：<\/p>\n

#include<\/span>\u00a0<iostream><\/span> <\/span>
\nusing<\/span>\u00a0namespace<\/span>\u00a0std;
\nint<\/span>\u00a0main<\/span>()<\/span><\/span>{
\n\u00a0\u00a0\u00a0\u00a0\/\/\u6570\u7ec4\u7c7b\u578b\u00a0\u6570\u7ec4\u540d[\u6570\u7ec4\u957f\u5ea6] <\/span>
\n\u00a0\u00a0\u00a0\u00a0int<\/span>\u00a0arr1[3<\/span>];
\n\u00a0\u00a0\u00a0\u00a0\/\/\u7ed9\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u8d4b\u503c <\/span>
\n\u00a0\u00a0\u00a0\u00a0arr1[0<\/span>]\u00a0=\u00a010<\/span>;
\n\u00a0\u00a0\u00a0\u00a0arr1[1<\/span>]\u00a0=\u00a020<\/span>;
\n\u00a0\u00a0\u00a0\u00a0arr1[2<\/span>]\u00a0=\u00a030<\/span>;
\n\u00a0\u00a0\u00a0\u00a0\/\/\u8f93\u51fa\u5143\u7d20\u4e2d\u7684\u503c <\/span>
\n\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0arr1[0<\/span>]\u00a0<<\u00a0endl;
\n\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0arr1[1<\/span>]\u00a0<<\u00a0endl;
\n\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0arr1[2<\/span>]\u00a0<<\u00a0endl;
\n\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0"—\u00a0\u6211\u662f\u5206\u5272\u7ebf\u00a0—"<\/span>\u00a0<<\u00a0endl;
\n\u00a0\u00a0\u00a0\u00a0\/\/\u6570\u636e\u7c7b\u578b\u00a0\u6570\u7ec4\u540d[\u6570\u7ec4\u957f\u5ea6]\u00a0=\u00a0(\u503c1,\u503c2…); <\/span>
\n\u00a0\u00a0\u00a0\u00a0\/\/\u5982\u679c\u5728\u521d\u59cb\u5316\u65f6\u6ca1\u6709\u5168\u90e8\u586b\u5199\u5b8c\u00a0\u90a3\u4e48\u4f1a\u75280\u6765\u586b\u8865\u5269\u4f59\u7684\u6570\u636e <\/span>
\n\u00a0\u00a0\u00a0\u00a0int<\/span>\u00a0arr2[]\u00a0=\u00a0{10<\/span>,20<\/span>,30<\/span>,40<\/span>,50<\/span>};
\n\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0arr2[0<\/span>]\u00a0<<\u00a0endl;
\n\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0arr2[1<\/span>]\u00a0<<\u00a0endl;
\n\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0arr2[2<\/span>]\u00a0<<\u00a0endl;
\n\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0arr2[3<\/span>]\u00a0<<\u00a0endl;
\n\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0arr2[4<\/span>]\u00a0<<\u00a0endl;
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0"—\u00a0\u6211\u662f\u5206\u5272\u7ebf\u00a0—"<\/span>\u00a0<<\u00a0endl; <\/p>\n

\u00a0\u00a0\u00a0\u00a0\/\/\u5229\u7528\u5faa\u73af\u00a0\u8f93\u51fa\u6570\u7ec4\u4e2d\u7684\u5143\u7d20 <\/span>
\n\u00a0\u00a0\u00a0\u00a0for<\/span>(int<\/span>\u00a0i\u00a0=\u00a00<\/span>;\u00a0i\u00a0<\u00a05<\/span>;i++){
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0arr2[i]\u00a0<<\u00a0endl;
\n\u00a0\u00a0\u00a0\u00a0}
\n\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0"—\u00a0\u6211\u662f\u5206\u5272\u7ebf\u00a0—"<\/span>\u00a0<<\u00a0endl;
\n\u00a0\u00a0\u00a0\u00a0\/\/\u6570\u636e\u7c7b\u578b\u00a0\u6570\u7ec4\u540d[\u00a0]\u00a0=\u00a0{\u503c1，\u503c2…}; <\/span>
\n\u00a0\u00a0\u00a0\u00a0\/\/\u5b9a\u4e49\u6570\u7ec4\u65f6\u00a0\u5fc5\u987b\u6709\u521d\u59cb\u957f\u5ea6 <\/span>
\n\u00a0\u00a0\u00a0\u00a0int<\/span>\u00a0arr3[]\u00a0=\u00a0{50<\/span>,40<\/span>,30<\/span>,20<\/span>,10<\/span>};
\n\u00a0\u00a0\u00a0\u00a0\/\/\u5229\u7528\u5faa\u73af\u00a0\u8f93\u51fa\u6570\u7ec4\u4e2d\u7684\u5143\u7d20 <\/span>
\n\u00a0\u00a0\u00a0\u00a0for<\/span>(int<\/span>\u00a0i\u00a0=\u00a00<\/span>;\u00a0i\u00a0<\u00a05<\/span>;i++){
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0arr3[i]\u00a0<<\u00a0endl;
\n\u00a0\u00a0\u00a0\u00a0}
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return<\/span>\u00a00<\/span>;
\n}<\/p>\n

\u8f93\u51fa\u7ed3\u679c：<\/p>\n

10<\/span>
\n20<\/span>
\n30<\/span>
\n—–<\/span> \u6211\u662f\u5206\u5272\u7ebf<\/span> —–<\/span>
\n10<\/span>
\n20<\/span>
\n30<\/span>
\n40<\/span>
\n50<\/span>
\n—–<\/span> \u6211\u662f\u5206\u5272\u7ebf<\/span> —–<\/span>
\n10<\/span>
\n20<\/span>
\n30<\/span>
\n40<\/span>
\n50<\/span>
\n—–<\/span> \u6211\u662f\u5206\u5272\u7ebf<\/span> —–<\/span>
\n50<\/span>
\n40<\/span>
\n30<\/span>
\n20<\/span>
\n10<\/span><\/p>\n

\u6570\u7ec4\u540d\u79f0\u7684\u7528\u9014<\/h6>\n

1.\u53ef\u4ee5\u7edf\u8ba1\u6574\u4e2a\u6570\u7ec4\u5185\u5b58\u4e2d\u7684\u957f\u5ea6 sizeof(arr)2.\u53ef\u4ee5\u83b7\u53d6\u6570\u7ec4\u5728\u5185\u5b58\u4e2d\u7684\u9996\u5185\u5b58\u5730\u5740\u4ee3\u7801\u793a\u4f8b：<\/p>\n

#include<\/span> <iostream><\/span><\/span>
\nusing namespace std;
\nint main(){
\n int arr[10<\/span>] = {10<\/span>,20<\/span>,30<\/span>,40<\/span>,50<\/span>,60<\/span>,70<\/span>,80<\/span>,90<\/span>,100<\/span>};
\n \/\/1.\u53ef\u4ee5\u901a\u8fc7\u6570\u7ec4\u540d\u7edf\u8ba1\u6574\u4e2a\u6570\u7ec4\u5360\u7528\u7684\u5185\u5b58\u5927\u5c0f<\/span>
\n \/\/\u8f93\u51fa\u7ed3\u679c\u4e3a40 \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u5747\u4e3aint <\/span>
\n \/\/\u4e00\u4e2aint\u53604\u5b57\u8282 \u4e00\u5171\u5341\u4e2a \u6240\u4ee5\u662f40<\/span>
\n cout << "\u6574\u4e2a\u6570\u7ec4\u5360\u7528\u7684\u5185\u5b58\u7a7a\u95f4\u4e3a："<\/span> << sizeof<\/span>(arr) << endl<\/span>;
\n \/\/\u6bcf\u4e2a\u5143\u7d20\u5360\u7528\u7684\u5185\u5b58\u7a7a\u95f4<\/span>
\n cout << "\u6bcf\u4e2a\u5143\u7d20\u5360\u7528\u7684\u5185\u5b58\u7a7a\u95f4\u4e3a："<\/span> << sizeof<\/span>(arr[0<\/span>]) << endl<\/span>;
\n \/\/\u6570\u7ec4\u4e2d\u5143\u7d20\u4e2a\u6570：\u6570\u7ec4\u5360\u7528\u7684\u5185\u5b58\u7a7a\u95f4\/\u6bcf\u4e2a\u5143\u7d20\u5360\u7528\u7684\u5185\u5b58\u7a7a\u95f4<\/span>
\n cout << "\u6570\u7ec4\u4e2d\u5143\u7d20\u4e2a\u6570\u4e3a："<\/span> << sizeof<\/span>(arr) \/ sizeof<\/span>(arr[0<\/span>]) << endl<\/span>;
\n \/\/2.\u53ef\u4ee5\u901a\u8fc7\u6570\u7ec4\u540d\u67e5\u770b\u9996\u5730\u5740 <\/span>
\n \/\/\u8f93\u51fa\u7684\u5730\u5740\u4e3a16\u8fdb\u5236 <\/span>
\n cout << "\u6570\u7ec4\u7684\u9996\u5730\u5740\u4e3a："<\/span> << arr << endl<\/span>;
\n \/\/\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u5730\u5740 &\u4e3a\u5bfb\u5740\u7684\u7b26\u53f7<\/span>
\n cout << "\u6570\u7ec4\u4e2d\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u5730\u5740\u4e3a："<\/span> << &arr[0<\/span>] << endl<\/span>;
\n cout << "\u6570\u7ec4\u4e2d\u7b2c\u4e8c\u4e2a\u5143\u7d20\u7684\u5730\u5740\u4e3a："<\/span> << &arr[1<\/span>] << endl<\/span>;
\n \/\/\u6570\u7ec4\u540d\u662f\u4e00\u4e2a\u5e38\u91cf \u4e0d\u53ef\u4ee5\u8fdb\u884c\u8d4b\u503c\u64cd\u4f5c<\/span>
\n return 0<\/span>;
\n}<\/p>\n

\u6574\u4e2a\u6570\u7ec4\u5360\u7528\u7684\u5185\u5b58\u7a7a\u95f4\u4e3a：40<\/span>
\n\u6bcf\u4e2a\u5143\u7d20\u5360\u7528\u7684\u5185\u5b58\u7a7a\u95f4\u4e3a：4<\/span>
\n\u6570\u7ec4\u4e2d\u5143\u7d20\u4e2a\u6570\u4e3a：10<\/span>
\n\u6570\u7ec4\u7684\u9996\u5730\u5740\u4e3a：0x547abff760<\/span>
\n\u6570\u7ec4\u4e2d\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u5730\u5740\u4e3a：0x547abff760<\/span>
\n\u6570\u7ec4\u4e2d\u7b2c\u4e8c\u4e2a\u5143\u7d20\u7684\u5730\u5740\u4e3a：0x547abff764<\/span><\/p>\n

\u5192\u6ce1\u6392\u5e8f<\/h4>\n

1.\u6bd4\u8f83\u76f8\u90bb\u7684\u4e24\u4e2a\u5143\u7d20 \u5982\u679c\u7b2c\u4e00\u4e2a\u6bd4\u7b2c\u4e8c\u4e2a\u5927\u5c31\u4ea4\u6362\u4f4d\u7f6e2.\u5bf9\u6bcf\u4e00\u5bf9\u76f8\u90bb\u5143\u7d20\u505a\u540c\u6837\u7684\u5de5\u4f5c \u6267\u884c\u5b8c\u6bd5\u540e \u627e\u5230\u7b2c\u4e00\u4e2a\u6700\u5927\u503c3.\u91cd\u590d\u4ee5\u4e0a\u6b65\u9aa4 \u6bcf\u6b21\u6bd4\u8f83\u6b21\u6570-1 \u76f4\u5230\u4e0d\u9700\u8981\u6bd4\u8f83<\/p>\n

\u793a\u4f8b<\/h4>\n

\u7b2c\u4e00\u8f6e\u6392\u5e8f<\/h6>\n

1.\u6bd4\u8f83\u7b2c\u4e00\u4e2a\u548c\u7b2c\u4e8c\u4e2a\u5143\u7d20 4 > 2 \u4ea4\u6362\u4f4d\u7f6e \u6307\u9488\u53f3\u79fb<\/p>\n

2.\u6bd4\u8f83\u4e8c\u4e09\u4e24\u4e2a\u5143\u7d20 4 < 8 \u4e0d\u4ea4\u6362 \u6307\u9488\u5411\u53f3\u79fb<\/p>\n

3.\u6bd4\u8f83\u4e09\u56db\u4e24\u4e2a\u5143\u7d20 8 > 0 \u4ea4\u6362\u4f4d\u7f6e \u5e76\u4e14\u6307\u53f3\u79fb<\/p>\n

4.\u6bd4\u8f83\u56db\u4e94\u4e24\u4e2a\u5143\u7d20 8 > 5\u4ea4\u6362\u4f4d\u7f6e \u5e76\u4e14\u6307\u53f3\u79fb<\/p>\n

5.\u6bd4\u8f83\u56db\u4e94\u4e24\u4e2a\u5143\u7d20 8 > 7 \u4ea4\u6362\u4f4d\u7f6e \u5e76\u4e14\u6307\u53f3\u79fb<\/p>\n

6.\u6bd4\u8f83\u4e94\u516d\u4e24\u4e2a\u5143\u7d20 8 > 1 \u4ea4\u6362\u4f4d\u7f6e \u5e76\u4e14\u6307\u53f3\u79fb<\/p>\n

7.\u6bd4\u8f83\u516d\u4e03\u4e24\u4e2a\u5143\u7d20 8 > 3 \u4ea4\u6362\u4f4d\u7f6e \u5e76\u4e14\u6307\u53f3\u79fb<\/p>\n

8..\u6bd4\u8f83\u516b\u4e5d\u4e24\u4e2a\u5143\u7d20 8 < 9 \u4ea4\u6362\u4f4d\u7f6e \u5e76\u4e14\u6307\u53f3\u79fb <\/p>\n

\u7b2c\u4e8c，\u7b2c\u4e09，…，\u7b2cn\u8f6e\u540c\u7406\u4ee3\u7801\u793a\u4f8b：<\/p>\n

#include<\/span><iostream><\/span><\/span>
\nusing<\/span> namespace<\/span> std;
\nint<\/span> main<\/span>()<\/span> <\/span>{
\n int<\/span> arr[9<\/span>] = {4<\/span>,2<\/span>,8<\/span>,0<\/span>,5<\/span>,7<\/span>,1<\/span>,3<\/span>,6<\/span>};
\n cout << "\u6392\u5e8f\u524d："<\/span> << endl;
\n for<\/span>(int<\/span> i = 0<\/span>; i < 9<\/span>; i++){
\n cout << arr[i] << " "<\/span>;
\n }
\n cout << endl;
\n \/\/\u5f00\u59cb\u5192\u6ce1\u6392\u5e8f<\/span>
\n \/\/\u6392\u5e8f\u603b\u8f6e\u6570 \u4e3a\u5143\u7d20\u4e2a\u6570\u51cf\u4e00<\/span>
\n for<\/span>(int<\/span> i = 0<\/span>; i < 9<\/span> – 1<\/span>; i++){
\n \/\/\u5185\u5c42\u5faa\u73af\u5bf9\u6bd4 \u5bf9\u6bd4\u6b21\u6570 = \u5143\u7d20\u4e2a\u6570 – \u5f53\u524d\u7684\u8f6e\u6570 – 1<\/span>
\n for<\/span>(int<\/span> j = 0<\/span>; j < 9<\/span> – i – 1<\/span>; j++){
\n \/\/\u5982\u679c\u7b2c\u4e00\u4e2a\u6570\u5b57\u6bd4\u7b2c\u4e8c\u4e2a \u5219\u4ea4\u6362\u8fd9\u4e24\u4e2a\u6570\u5b57<\/span>
\n if<\/span>(arr[j] > arr[j+1<\/span>]){
\n int<\/span> temp = arr[j];
\n arr[j] = arr[j +1<\/span>];
\n arr[j + 1<\/span>] = temp;
\n }
\n }
\n }
\n \/\/\u6392\u5e8f\u540e\u7ed3\u679c<\/span>
\n cout << "\u6392\u5e8f\u540e："<\/span> << endl;
\n for<\/span>(int<\/span> i = 0<\/span>; i < 9<\/span>; i++){
\n cout << arr[i] << " "<\/span>;
\n }
\n}<\/p>\n

\u8f93\u51fa\u7ed3\u679c：<\/p>\n

\u6392\u5e8f\u524d：
\n4 2 <\/span>8 0 <\/span>5 7 <\/span>1 3 <\/span>6
\n\u6392\u5e8f\u540e：
\n0 1 <\/span>2 3 <\/span>4 5 <\/span>6 7 <\/span>8<\/p>\n

\u4e8c\u7ef4\u6570\u7ec4<\/h5>\n

\u4e8c\u7ef4\u6570\u7ec4\u662f\u5728\u4e00\u7ef4\u6570\u7ec4\u7684\u57fa\u7840\u4e0a\u591a\u52a0\u4e86\u4e00\u4e2a\u7ef4\u5ea6<\/p>\n

\u4e8c\u7ef4\u6570\u7ec4\u5b9a\u4e49\u65b9\u5f0f<\/h6>\n

1.\u6570\u636e\u7c7b\u578b \u6570\u7ec4\u540d[\u884c\u6570][\u5217\u6570];2.\u6570\u636e\u7c7b\u578b \u6570\u7ec4\u540d[\u884c\u6570][\u5217\u6570] = {{\u6570\u636e1,\u6570\u636e2} , {\u6570\u636e3,\u6570\u636e4}};3.\u6570\u636e\u7c7b\u578b \u6570\u636e\u540d[\u884c\u6570][\u5217\u6570] = {\u6570\u636e1，\u6570\u636e2，\u6570\u636e3,\u6570\u636e4};4.\u6570\u636e\u7c7b\u578b \u6570\u636e\u540d[][\u5217\u6570] = {\u6570\u636e1，\u6570\u636e2，\u6570\u636e3,\u6570\u636e4};<\/p>\n

\u4ee5\u4e0a4\u79cd\u5b9a\u4e49\u65b9\u5f0f \u5229\u7528\u7b2c\u4e8c\u79cd\u66f4\u52a0\u76f4\u89c2 \u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027<\/p>\n\n(0,0)(0,1)(0,2)<\/tr>\n\n\n
(1,0)<\/td>\n(1,1)<\/td>\n(2,2)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u4ee3\u7801\u793a\u4f8b：<\/p>\n

#include<iostream> <\/p>\n

using\u00a0namespace\u00a0std;
\nint\u00a0main()\u00a0{
\n\u00a0\u00a0\u00a0\u00a0\/\/\u4e8c\u7ef4\u6570\u7ec4\u5b9a\u4e49\u65b9\u5f0f
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/1.<\/span>\u6570\u636e\u7c7b\u578b\u00a0\u6570\u7ec4\u540d[\u884c\u6570][\u5217\u6570];
\n\u00a0\u00a0\u00a0\u00a0int\u00a0arr1[2<\/span>][3<\/span>];
\n\u00a0\u00a0\u00a0\u00a0arr1[0<\/span>][0<\/span>]\u00a0=\u00a01<\/span>;
\n\u00a0\u00a0\u00a0\u00a0arr1[0<\/span>][1<\/span>]\u00a0=\u00a02<\/span>;
\n\u00a0\u00a0\u00a0\u00a0arr1[0<\/span>][2<\/span>]\u00a0=\u00a03<\/span>;
\n\u00a0\u00a0\u00a0\u00a0arr1[1<\/span>][0<\/span>]\u00a0=\u00a04<\/span>;
\n\u00a0\u00a0\u00a0\u00a0arr1[1<\/span>][1<\/span>]\u00a0=\u00a05<\/span>;
\n\u00a0\u00a0\u00a0\u00a0arr1[1<\/span>][2<\/span>]\u00a0=\u00a06<\/span>;
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u5916\u5c42\u5faa\u73af\u6253\u5370\u884c\u6570\u00a0\u5185\u5c42\u5faa\u73af\u6253\u5370\u5217\u6570
\n\u00a0\u00a0\u00a0\u00a0for(int\u00a0i\u00a0=\u00a00<\/span>;\u00a0i\u00a0<\u00a02<\/span>;\u00a0i++){
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0for(int\u00a0j\u00a0=\u00a00<\/span>;\u00a0j\u00a0<\u00a03<\/span>;\u00a0j++){
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0arr1[i][j]\u00a0<<\u00a0"\u00a0"<\/span>;
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0endl;
\n\u00a0\u00a0\u00a0\u00a0}
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/2.<\/span>\u6570\u636e\u7c7b\u578b\u00a0\u6570\u7ec4\u540d[\u884c\u6570][\u5217\u6570]\u00a0=\u00a0{{\u6570\u636e1<\/span>,\u6570\u636e2<\/span>}\u00a0,\u00a0{\u6570\u636e3<\/span>,\u6570\u636e4<\/span>}};
\n\u00a0\u00a0\u00a0\u00a0int\u00a0arr2[2<\/span>][3<\/span>]\u00a0=\u00a0{
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{11<\/span>,22<\/span>,33<\/span>},
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{44<\/span>,55<\/span>,66<\/span>}
\n\u00a0\u00a0\u00a0\u00a0};
\n\u00a0\u00a0\u00a0\u00a0for(int\u00a0i\u00a0=\u00a00<\/span>;\u00a0i\u00a0<\u00a02<\/span>;\u00a0i++){
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0for(int\u00a0j\u00a0=\u00a00<\/span>;\u00a0j\u00a0<\u00a03<\/span>;\u00a0j++){
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0arr2[i][j]\u00a0<<\u00a0"\u00a0"<\/span>;
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0endl;
\n\u00a0\u00a0\u00a0\u00a0}
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/3.<\/span>\u6570\u636e\u7c7b\u578b\u00a0\u6570\u636e\u540d[\u884c\u6570][\u5217\u6570]\u00a0=\u00a0{\u6570\u636e1<\/span>，\u6570\u636e2<\/span>，\u6570\u636e3<\/span>,\u6570\u636e4<\/span>};
\n\u00a0\u00a0\u00a0\u00a0int\u00a0arr3[2<\/span>][3<\/span>]\u00a0=\u00a0{
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0111<\/span>,222<\/span>,333<\/span>,444<\/span>,555<\/span>,666<\/span>
\n\u00a0\u00a0\u00a0\u00a0};
\n\u00a0\u00a0\u00a0\u00a0for(int\u00a0i\u00a0=\u00a00<\/span>;\u00a0i\u00a0<\u00a02<\/span>;\u00a0i++){
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0for(int\u00a0j\u00a0=\u00a00<\/span>;\u00a0j\u00a0<\u00a03<\/span>;\u00a0j++){
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0arr3[i][j]\u00a0<<\u00a0"\u00a0"<\/span>;
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0endl;
\n\u00a0\u00a0\u00a0\u00a0}
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/4.<\/span>\u6570\u636e\u7c7b\u578b\u00a0\u6570\u636e\u540d[][\u5217\u6570]\u00a0=\u00a0{\u6570\u636e1<\/span>，\u6570\u636e2<\/span>，\u6570\u636e3<\/span>,\u6570\u636e4<\/span>};
\n\u00a0\u00a0\u00a0\u00a0int\u00a0arr4[][3<\/span>]\u00a0=\u00a0{
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01<\/span>,2<\/span>,3<\/span>,4<\/span>,5<\/span>,6<\/span>
\n\u00a0\u00a0\u00a0\u00a0};
\n\u00a0\u00a0\u00a0\u00a0for(int\u00a0i\u00a0=\u00a00<\/span>;\u00a0i\u00a0<\u00a02<\/span>;\u00a0i++){
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0for(int\u00a0j\u00a0=\u00a00<\/span>;\u00a0j\u00a0<\u00a03<\/span>;\u00a0j++){
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0arr4[i][j]\u00a0<<\u00a0"\u00a0"<\/span>;
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0endl;
\n\u00a0\u00a0\u00a0\u00a0}
\n\u00a0\u00a0\u00a0\u00a0return\u00a00<\/span>;
\n}<\/p>\n

\u8f93\u51fa\u7ed3\u679c：<\/p>\n

1 <\/span>2<\/span> 3<\/span>
\n4 <\/span>5<\/span> 6<\/span>
\n11 <\/span>22<\/span> 33<\/span>
\n44 <\/span>55<\/span> 66<\/span>
\n111 <\/span>222<\/span> 333<\/span>
\n444 <\/span>555<\/span> 666<\/span>
\n1 <\/span>2<\/span> 3<\/span>
\n4 <\/span>5<\/span> 6<\/span><\/p>\n

\u4e8c\u7ef4\u6570\u7ec4\u7684\u6570\u7ec4\u540d\u79f0<\/h6>\n

\u67e5\u770b\u4e8c\u7ef4\u6570\u7ec4\u6240\u5360\u5185\u5b58\u7a7a\u95f4\u83b7\u53d6\u4e8c\u7ef4\u6570\u7ec4\u9996\u5730\u5740<\/p>\n

\u4ee3\u7801\u793a\u4f8b：<\/p>\n

#include<\/span><iostream><\/span><\/span>
\nusing namespace std;
\nint main(){
\n \/\/\u4e8c\u7ef4\u6570\u7ec4\u7684\u540d\u79f0\u7528\u9014<\/span><\/p>\n

\/\/1\u3001\u53ef\u4ee5\u67e5\u770b\u5185\u5b58\u7a7a\u95f4\u5927\u5c0f<\/span>
\n double arr[2<\/span>][3<\/span>] = {
\n {1<\/span>,2<\/span>,3<\/span>},
\n {4<\/span>,5<\/span>,6<\/span>}
\n };
\n cout << "\u4e8c\u7ef4\u6570\u7ec4\u6240\u5360\u5185\u5b58\u7a7a\u95f4\u5927\u5c0f:"<\/span> << sizeof<\/span>(arr) << endl<\/span>;
\n cout << "\u4e8c\u7ef4\u6570\u7ec4\u7b2c\u4e00\u884c\u6240\u5360\u5185\u5b58\u7a7a\u95f4\u5927\u5c0f:"<\/span> << sizeof<\/span>(arr[0<\/span>]) << endl<\/span>;
\n cout << "\u4e8c\u7ef4\u6570\u7ec4\u7b2c\u4e00\u4e2a\u5143\u7d20\u6240\u5360\u5185\u5b58\u7a7a\u95f4\u5927\u5c0f:"<\/span> << sizeof<\/span>(arr[0<\/span>]) << endl<\/span>;
\n cout << "\u4e8c\u7ef4\u6570\u7ec4\u884c\u6570\u4e3a"<\/span> << sizeof<\/span>(arr) \/ sizeof<\/span>(arr[0<\/span>]) << endl<\/span>;
\n cout << "\u4e8c\u7ef4\u6570\u7ec4\u884c\u6570\u4e3a"<\/span> << sizeof<\/span>(arr[0<\/span>]) \/ sizeof<\/span>(arr[0<\/span>][0<\/span>]) << endl<\/span>;
\n \/\/2\u3001\u53ef\u4ee5\u67e5\u770b\u4e8c\u7ef4\u6570\u7ec4\u7684\u9996\u5730\u5740<\/span>
\n cout << "\u4e8c\u7ef4\u6570\u7ec4\u7684\u9996\u5730\u5740\u4e3a："<\/span> << arr << endl<\/span>;
\n cout << "\u4e8c\u7ef4\u6570\u7ec4\u7684\u7b2c\u4e00\u884c\u9996\u5730\u5740\u4e3a："<\/span> << arr[0<\/span>] << endl<\/span>;
\n cout << "\u4e8c\u7ef4\u6570\u7ec4\u7684\u7b2c\u4e8c\u884c\u9996\u5730\u5740\u4e3a："<\/span> << arr[1<\/span>] << endl<\/span>;
\n \/\/\u8bbf\u95ee\u5143\u7d20\u9996\u5730\u5740\u9700\u8981\u52a0\u53d6\u5740\u7b26&<\/span>
\n cout << "\u4e8c\u7ef4\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u9996\u5730\u5740\u4e3a："<\/span> << &arr[0<\/span>][0<\/span>] << endl<\/span>;
\n return 0<\/span>;
\n}<\/p>\n

\u8f93\u51fa\u7ed3\u679c：<\/p>\n

\u4e8c\u7ef4\u6570\u7ec4\u6240\u5360\u5185\u5b58\u7a7a\u95f4\u5927\u5c0f:48<\/span>
\n\u4e8c\u7ef4\u6570\u7ec4\u7b2c\u4e00\u884c\u6240\u5360\u5185\u5b58\u7a7a\u95f4\u5927\u5c0f:24<\/span>
\n\u4e8c\u7ef4\u6570\u7ec4\u7b2c\u4e00\u4e2a\u5143\u7d20\u6240\u5360\u5185\u5b58\u7a7a\u95f4\u5927\u5c0f:24<\/span>
\n\u4e8c\u7ef4\u6570\u7ec4\u884c\u6570\u4e3a2<\/span>
\n\u4e8c\u7ef4\u6570\u7ec4\u884c\u6570\u4e3a3<\/span>
\n\u4e8c\u7ef4\u6570\u7ec4\u7684\u9996\u5730\u5740\u4e3a：0xd2ff3ff690<\/span>
\n\u4e8c\u7ef4\u6570\u7ec4\u7684\u7b2c\u4e00\u884c\u9996\u5730\u5740\u4e3a：0xd2ff3ff690<\/span>
\n\u4e8c\u7ef4\u6570\u7ec4\u7684\u7b2c\u4e8c\u884c\u9996\u5730\u5740\u4e3a：0xd2ff3ff6a8<\/span>
\n\u4e8c\u7ef4\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u9996\u5730\u5740\u4e3a：0xd2ff3ff690<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u6570\u7ec4
\n1.\u6982\u8ff02.\u4e00\u7ef4\u6570\u7ec43.\u4e8c\u7ef4\u6570\u7ec4
\n\u6982\u8ff0
\n\u6570\u7ec4 \u5c31\u662f\u4e00\u4e2a\u96c6\u5408\u91cc\u9762\u5b58\u653e\u4e86\u76f8\u540c\u7c7b\u578b\u7684\u6570\u636e\u5143\u7d20\u7279\u70b9： 1.\u6bcf\u4e2a\u6570\u636e\u5143\u7d20\u90fd\u662f\u76f8\u540c\u7684\u6570\u636e\u7c7b\u578b 2.\u6570\u7ec4\u662f\u7531\u8fde\u7eed\u7684\u5185\u5b58\u4f4d\u7f6e\u7ec4\u6210\u7684
\n\u4e00\u7ef4\u6570\u7ec4
\n\u5b9a\u4e49\u65b9\u6cd5
\n1.\u6570\u7ec4\u7c7b\u578b \u6570\u7ec4\u540d[\u6570\u7ec4\u957f\u5ea6];2.\u6570\u636e\u7c7b\u578b \u6570\u7ec4\u540d[\u6570\u7ec4\u957f\u5ea6] (\u503c1,\u503c2…);3.\u6570\u636e\u7c7b\u578b \u6570\u7ec4\u540d[ ] {\u503c1，\u503c2…};
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