![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260727084946-6a671baac1874.png\")
<\/p>\n\u5b66 C \u8bed\u8a00\u7684\u65f6\u5019，\u6700\u8ba9\u4eba\u5934\u79c3\u7684\u5f80\u5f80\u4e0d\u662f\u6307\u9488\u548c\u5185\u5b58\u2014\u2014\u800c\u662f\u7a0b\u5e8f\u5230\u5e95\u5728\u6309\u4ec0\u4e48\u987a\u5e8f\u6267\u884c\u3002\u4e00\u884c\u4e00\u884c\u5f80\u4e0b\u8d70？\u8fd8\u662f\u8df3\u6765\u8df3\u53bb？\u8fd8\u662f\u53cd\u590d\u8f6c\u5708？<\/p>\n
\u7b54\u6848\u662f：\u5168\u9760\u63a7\u5236\u6d41\u8bed\u53e5\u3002C \u8bed\u8a00\u7684\u6267\u884c\u987a\u5e8f\u7531\u4e24\u5927\u7c7b\u8bed\u53e5\u51b3\u5b9a：<\/p>\n
1. \u5206\u652f\u8bed\u53e5（Branch）：\u6839\u636e\u6761\u4ef6\u9009\u62e9\u8d70\u54ea\u6761\u8def\u2014\u2014if\u3001else\u3001switch<\/p>\n
2. \u5faa\u73af\u8bed\u53e5（Loop）：\u8ba9\u4ee3\u7801\u53cd\u590d\u6267\u884c\u2014\u2014while\u3001do-while\u3001for<\/p>\n
\u8fd9\u7bc7\u6587\u7ae0\u628a\u8fd9\u4e24\u7c7b\u8bed\u53e5\u8bb2\u900f：\u8bed\u6cd5\u7ed3\u6784\u662f\u4ec0\u4e48\u3001\u6267\u884c\u6d41\u7a0b\u957f\u4ec0\u4e48\u6837\u3001\u4ec0\u4e48\u65f6\u5019\u7528\u54ea\u4e2a\u3001\u6709\u54ea\u4e9b\u5751\u8981\u907f\u3002<\/p>\n
\u5148\u770b\u4e00\u5f20\u603b\u56fe，\u5efa\u7acb\u5168\u5c40\u5370\u8c61：<\/p>\n
flowchart TD
\n A[\u63a7\u5236\u6d41\u8bed\u53e5] –> B[\u5206\u652f\u8bed\u53e5]
\n A –> C[\u5faa\u73af\u8bed\u53e5]
\n B –> B1[if \/ else if \/ else]
\n B –> B2[switch \/ case]
\n C –> C1[while]
\n C –> C2[do-while]
\n C –> C3[for]<\/p>\n
<\/p>\n
\u56fe 1：C \u8bed\u8a00\u63a7\u5236\u6d41\u8bed\u53e5\u603b\u89c8\u2014\u2014\u5de6\u4fa7\u4e3a\u5206\u652f\u8bed\u53e5\u65cf，\u53f3\u4fa7\u4e3a\u5faa\u73af\u8bed\u53e5\u65cf<\/p>\n
\u4ece\u56fe\u4e2d\u53ef\u4ee5\u770b\u5230，\u5206\u652f\u8bed\u53e5\u8d1f\u8d23"\u505a\u9009\u62e9"，\u5faa\u73af\u8bed\u53e5\u8d1f\u8d23"\u91cd\u590d\u505a"\u3002\u4e24\u8005\u7ecf\u5e38\u914d\u5408\u4f7f\u7528（\u6bd4\u5982\u5728\u5faa\u73af\u91cc\u7528 if \u5224\u65ad\u662f\u5426\u8df3\u51fa），\u662f\u7f16\u5199\u4efb\u4f55\u6709\u903b\u8f91\u7684\u7a0b\u5e8f\u7684\u57fa\u7840\u3002<\/p>\n
if \u662f C \u8bed\u8a00\u4e2d\u6700\u57fa\u672c\u7684\u5206\u652f\u8bed\u53e5\u3002\u5b83\u7684\u903b\u8f91\u5f88\u7b80\u5355：\u5982\u679c\u6761\u4ef6\u6210\u7acb，\u5c31\u6267\u884c\u67d0\u6bb5\u4ee3\u7801；\u5426\u5219，\u6267\u884c\u53e6\u4e00\u6bb5（\u6216\u4ec0\u4e48\u90fd\u4e0d\u505a）\u3002<\/p>\n
\u57fa\u672c\u8bed\u6cd5：<\/p>\n
if (\u6761\u4ef6\u8868\u8fbe\u5f0f) {
\n \/* \u6761\u4ef6\u4e3a\u771f\u65f6\u6267\u884c\u7684\u4ee3\u7801 *\/
\n} else if (\u53e6\u4e00\u4e2a\u6761\u4ef6) {
\n \/* \u4e0a\u4e00\u4e2a\u6761\u4ef6\u4e3a\u5047\u3001\u8fd9\u4e2a\u6761\u4ef6\u4e3a\u771f\u65f6\u6267\u884c *\/
\n} else {
\n \/* \u6240\u6709\u6761\u4ef6\u90fd\u4e3a\u5047\u65f6\u6267\u884c *\/
\n}<\/p>\n
\u5173\u952e\u89c4\u5219：<\/p>\n
\u6267\u884c\u6d41\u7a0b\u5982\u4e0b：<\/p>\n
flowchart TD
\n S[\u5f00\u59cb] –> C1{\u6761\u4ef61}
\n C1 –>|\u771f| A1[\u6267\u884c\u4ee3\u7801\u57571]
\n C1 –>|\u5047| C2{\u6761\u4ef62}
\n C2 –>|\u771f| A2[\u6267\u884c\u4ee3\u7801\u57572]
\n C2 –>|\u5047| C3{\u6761\u4ef63}
\n C3 –>|\u771f| A3[\u6267\u884c\u4ee3\u7801\u57573]
\n C3 –>|\u5047| E[\u6267\u884celse\u4ee3\u7801\u5757]
\n A1 –> End[\u7ed3\u675f]
\n A2 –> End
\n A3 –> End
\n E –> End<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260727084947-6a671bab1af83.png\")
<\/p>\n
\u56fe 2：if-else-if \u9636\u68af\u5f0f\u6761\u4ef6\u5224\u65ad\u7684\u5b8c\u6574\u6267\u884c\u6d41\u7a0b\u3002\u7a0b\u5e8f\u4ece\u4e0a\u5230\u4e0b\u4f9d\u6b21\u68c0\u67e5\u6bcf\u4e2a\u6761\u4ef6，\u9047\u5230\u7b2c\u4e00\u4e2a\u4e3a\u771f\u7684\u5c31\u8fdb\u5165\u5bf9\u5e94\u5206\u652f，\u4e4b\u540e\u7684\u6240\u6709 else-if \u548c else \u90fd\u88ab\u8df3\u8fc7<\/p>\n
\u4e00\u4e2a\u5b9e\u9645\u4f8b\u5b50\u2014\u2014\u6210\u7ee9\u7b49\u7ea7\u5224\u5b9a：<\/p>\n
int score = 85;<\/p>\n
if (score >= 90) {
\n printf("\u4f18\u79c0\\\\n");
\n} else if (score >= 80) {
\n printf("\u826f\u597d\\\\n"); \/* score=85 \u8d70\u8fd9\u91cc *\/
\n} else if (score >= 60) {
\n printf("\u53ca\u683c\\\\n");
\n} else {
\n printf("\u4e0d\u53ca\u683c\\\\n");
\n}<\/p>\n
\u5f53\u4f60\u9700\u8981\u6839\u636e\u4e00\u4e2a\u53d8\u91cf\u7684\u503c\u4ece\u5f88\u591a\u9009\u9879\u4e2d\u9009\u4e00\u4e2a\u65f6，\u5199\u4e00\u957f\u4e32 if-else if \u65e2\u96be\u770b\u53c8\u4f4e\u6548\u3002\u8fd9\u65f6\u5c31\u8be5 switch \u51fa\u573a\u4e86\u3002<\/p>\n
switch (\u6574\u578b\u8868\u8fbe\u5f0f) {
\n case \u5e38\u91cf1:
\n \u8bed\u53e5\u7ec41;
\n break; \/* \u522b\u5fd8\u4e86！*\/
\n case \u5e38\u91cf2:
\n \u8bed\u53e5\u7ec42;
\n break;
\n \/* … \u66f4\u591a case … *\/
\n default:
\n \u9ed8\u8ba4\u8bed\u53e5\u7ec4; \/* \u6240\u6709 case \u90fd\u4e0d\u5339\u914d\u65f6\u6267\u884c *\/
\n}<\/p>\n
\u6838\u5fc3\u8981\u70b9：<\/p>\n
flowchart TD
\n S[\u8ba1\u7b97\u8868\u8fbe\u5f0f] –> C1{\u5339\u914dcase1?}
\n C1 –>|\u662f| A1[\u6267\u884c\u8bed\u53e5\u7ec41] –> B1{\u6709break?}
\n B1 –>|\u6709| End[\u7ed3\u675f]
\n B1 –>|\u65e0| A2[\u6267\u884c\u8bed\u53e5\u7ec42]
\n C1 –>|\u5426| C2{\u5339\u914dcase2?}
\n C2 –>|\u662f| A2 –> B2{\u6709break?}
\n B2 –>|\u6709| End
\n B2 –>|\u65e0| A3[\u7ee7\u7eed\u7a7f\u900f…]
\n C2 –>|\u5426| More{\u5339\u914d\u66f4\u591acase…}
\n More –>|\u4e0d\u5339\u914d| Default[\u6267\u884cdefault] –> End<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260727084947-6a671bab56045.png\")
<\/p>\n
\u56fe 3：switch-case \u591a\u5206\u652f\u9009\u62e9\u8bed\u53e5\u7684\u6267\u884c\u6d41\u7a0b\u3002\u8ba1\u7b97\u8868\u8fbe\u5f0f\u7684\u503c\u540e，\u8df3\u8f6c\u5230\u5339\u914d\u7684 case \u6807\u7b7e；break \u8d1f\u8d23\u8df3\u51fa，\u7f3a\u5c11 break \u4f1a\u7a7f\u900f\u5230\u4e0b\u4e00\u4e2a case<\/p>\n
\u7a7f\u900f（fall-through）\u6709\u65f6\u662f\u6709\u610f\u4e3a\u4e4b\u7684\u6280\u5de7：<\/p>\n
int day = 5;
\nswitch (day) {
\n case 1: case 2: case 3: case 4: case 5:
\n printf("\u5de5\u4f5c\u65e5\\\\n");
\n break;
\n case 6: case 7:
\n printf("\u5468\u672b\\\\n");
\n break;
\n}<\/p>\n
\u4f46\u66f4\u591a\u65f6\u5019\u5b83\u662f bug \u7684\u6765\u6e90\u3002\u5efa\u8bae：\u6bcf\u4e2a case \u90fd\u5199 break，\u9664\u975e\u4f60\u660e\u786e\u9700\u8981\u7a7f\u900f\u884c\u4e3a\u3002<\/p>\n
while \u662f\u6700\u7b80\u5355\u7684\u5faa\u73af：\u53ea\u8981\u6761\u4ef6\u4e3a\u771f，\u5c31\u53cd\u590d\u6267\u884c\u5faa\u73af\u4f53\u3002<\/p>\n
while (\u6761\u4ef6\u8868\u8fbe\u5f0f) {
\n \/* \u5faa\u73af\u4f53：\u6761\u4ef6\u4e3a\u771f\u65f6\u91cd\u590d\u6267\u884c *\/
\n}<\/p>\n
flowchart TD
\n S[\u5f00\u59cb] –> C{\u6761\u4ef6\u4e3a\u771f?}
\n C –>|\u662f| B[\u6267\u884c\u5faa\u73af\u4f53] –> C
\n C –>|\u5426| E[\u7ed3\u675f]<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260727084947-6a671bab8d7ac.png\")
<\/p>\n
\u56fe 4：while \u5faa\u73af\u7684\u6267\u884c\u6d41\u7a0b\u3002\u6bcf\u6b21\u8fed\u4ee3\u90fd\u5148\u68c0\u67e5\u6761\u4ef6，\u6761\u4ef6\u4e3a\u771f\u624d\u8fdb\u5165\u5faa\u73af\u4f53，\u6761\u4ef6\u4e3a\u5047\u7acb\u5373\u9000\u51fa<\/p>\n
\u6ce8\u610f\u5b83\u7684\u7279\u70b9：\u6761\u4ef6\u4e00\u5f00\u59cb\u5c31\u662f\u5047\u7684 \u2192 \u5faa\u73af\u4f53\u4e00\u6b21\u90fd\u4e0d\u6267\u884c\u3002\u8fd9\u548c do-while \u5f62\u6210\u9c9c\u660e\u5bf9\u6bd4\u3002<\/p>\n
\u5178\u578b\u7528\u6cd5\u2014\u2014\u8ba1\u6570\u5faa\u73af：<\/p>\n
int i = 0;
\nwhile (i < 5) {
\n printf("i = %d\\\\n", i);
\n i++; \/* \u522b\u5fd8\u4e86\u66f4\u65b0\u5faa\u73af\u53d8\u91cf！\u5426\u5219\u6b7b\u5faa\u73af *\/
\n}
\n\/* \u8f93\u51fa：i = 0, 1, 2, 3, 4 *\/<\/p>\n
do-while \u548c while \u51e0\u4e4e\u4e00\u6837，\u53ea\u6709\u4e00\u4e2a\u5173\u952e\u533a\u522b：\u5b83\u81f3\u5c11\u6267\u884c\u4e00\u6b21\u5faa\u73af\u4f53，\u7136\u540e\u518d\u53bb\u5224\u65ad\u6761\u4ef6\u3002<\/p>\n
do {
\n \/* \u5faa\u73af\u4f53：\u81f3\u5c11\u6267\u884c\u4e00\u6b21 *\/
\n} while (\u6761\u4ef6\u8868\u8fbe\u5f0f); \/* \u6ce8\u610f\u672b\u5c3e\u7684\u5206\u53f7！*\/<\/p>\n
flowchart TD
\n subgraph while\u5faa\u73af
\n W1[\u5f00\u59cb] –> W2{\u6761\u4ef6?}
\n W2 –>|\u771f| W3[\u6267\u884c\u5faa\u73af\u4f53] –> W2
\n W2 –>|\u5047| W4[\u7ed3\u675f]
\n end
\n subgraph do-while\u5faa\u73af
\n D1[\u5f00\u59cb] –> D2[\u6267\u884c\u5faa\u73af\u4f53]
\n D2 –> D3{\u6761\u4ef6?}
\n D3 –>|\u771f| D2
\n D3 –>|\u5047| D4[\u7ed3\u675f]
\n end<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260727084947-6a671baba112f.png\")
<\/p>\n
\u56fe 5：do-while \u4e0e while \u7684\u5bf9\u6bd4\u3002\u5de6：while \u5148\u5224\u65ad\u518d\u6267\u884c（\u53ef\u80fd 0 \u6b21）；\u53f3：do-while \u5148\u6267\u884c\u518d\u5224\u65ad（\u81f3\u5c11 1 \u6b21）\u3002\u8fd9\u662f\u4e24\u8005\u552f\u4e00\u4f46\u672c\u8d28\u7684\u533a\u522b<\/p>\n
\u4ec0\u4e48\u65f6\u5019\u7528 do-while？<\/p>\n
int choice;
\ndo {
\n printf("===== \u4e3b\u83dc\u5355 =====\\\\n");
\n printf("1. \u65b0\u5efa\u6587\u4ef6\\\\n");
\n printf("2. \u6253\u5f00\u6587\u4ef6\\\\n");
\n printf("3. \u9000\u51fa\\\\n");
\n printf("\u8bf7\u9009\u62e9：");
\n scanf("%d", &choice);
\n} while (choice < 1 || choice > 3); \/* \u8f93\u5165\u4e0d\u5408\u6cd5\u5c31\u91cd\u65b0\u663e\u793a\u83dc\u5355 *\/<\/p>\n
for \u5faa\u73af\u628a"\u521d\u59cb\u5316\u3001\u6761\u4ef6\u5224\u65ad\u3001\u66f4\u65b0"\u4e09\u4ef6\u4e8b\u5199\u5728\u540c\u4e00\u884c，\u662f C \u8bed\u8a00\u4e2d\u4f7f\u7528\u9891\u7387\u6700\u9ad8\u7684\u5faa\u73af\u3002<\/p>\n
for (\u521d\u59cb\u5316\u8868\u8fbe\u5f0f; \u6761\u4ef6\u8868\u8fbe\u5f0f; \u66f4\u65b0\u8868\u8fbe\u5f0f) {
\n \/* \u5faa\u73af\u4f53 *\/
\n}<\/p>\n
flowchart TD
\n Init[\u521d\u59cb\u5316\u8868\u8fbe\u5f0f] –> Cond{\u6761\u4ef6\u8868\u8fbe\u5f0f}
\n Cond –>|\u771f| Body[\u6267\u884c\u5faa\u73af\u4f53]
\n Body –> Update[\u66f4\u65b0\u8868\u8fbe\u5f0f]
\n Update –> Cond
\n Cond –>|\u5047| End[\u7ed3\u675f]<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260727084947-6a671babbb26e.png\")
<\/p>\n
\u56fe 6：for \u5faa\u73af\u7684\u56db\u90e8\u5206\u7ed3\u6784\u89e3\u5256\u3002\u2460\u521d\u59cb\u5316\u53ea\u6267\u884c\u4e00\u6b21 \u2192 \u2461\u5224\u65ad\u6761\u4ef6 \u2192 \u2462\u6267\u884c\u5faa\u73af\u4f53 \u2192 \u2463\u6267\u884c\u66f4\u65b0\u8868\u8fbe\u5f0f \u2192 \u56de\u5230\u2461\u3002\u4e09\u4e2a\u8868\u8fbe\u5f0f\u90fd\u53ef\u4ee5\u7701\u7565（\u5206\u53f7\u4e0d\u80fd\u7701）<\/p>\n
\u7b49\u4ef7\u7684 while \u5199\u6cd5：<\/p>\n
\/* for \u7248\u672c *\/
\nfor (int i = 0; i < 10; i++) {
\n printf("%d ", i);
\n}<\/p>\n
\/* \u7b49\u4ef7 while \u7248\u672c *\/
\nint i = 0; \/* \u5bf9\u5e94\u521d\u59cb\u5316 *\/
\nwhile (i < 10) { \/* \u5bf9\u5e94\u6761\u4ef6 *\/
\n printf("%d ", i);
\n i++; \/* \u5bf9\u5e94\u66f4\u65b0 *\/
\n}<\/p>\n
for \u7684\u7075\u6d3b\u4e4b\u5904\u5728\u4e8e\u4e09\u4e2a\u8868\u8fbe\u5f0f\u90fd\u53ef\u4ee5\u7701\u7565：<\/p>\n
\u5e38\u89c1\u6a21\u5f0f\u901f\u67e5：<\/p>\n
| \u8ba1\u6570\u5faa\u73af<\/td>\n | for(i=0; i<n; i++)<\/td>\n | \u904d\u5386\u56fa\u5b9a\u6b21\u6570<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||
| \u5012\u5e8f\u5faa\u73af<\/td>\n | for(i=n-1; i>=0; i–)<\/td>\n | \u53cd\u5411\u904d\u5386<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||
| \u6b65\u8fdb\u5faa\u73af<\/td>\n | for(i=0; i<n; i+=2)<\/td>\n | \u6bcf\u6b21\u6b65\u8fdb 2<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||
| \u65e0\u9650\u5faa\u73af<\/td>\n | for(;;)<\/td>\n | \u4e8b\u4ef6\u76d1\u542c\/\u670d\u52a1\u5668<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \n \u56db\u3001\u63a7\u5236\u8bed\u53e5：break \u4e0e continue<\/h3>\n\u5728\u5faa\u73af\u5185\u90e8，\u6211\u4eec\u5e38\u5e38\u9700\u8981\u6539\u53d8\u6b63\u5e38\u7684\u6267\u884c\u6d41\u7a0b\u3002\u4e24\u4e2a\u5173\u952e\u5b57\u627f\u62c5\u4e86\u8fd9\u4e2a\u804c\u8d23：<\/p>\n 4.1 break \u2014\u2014 \u7acb\u5373\u8df3\u51fa<\/h4>\nbreak \u7684\u4f5c\u7528\u662f\u7acb\u5373\u7ec8\u6b62\u5f53\u524d\u6240\u5728\u7684\u5faa\u73af\u6216 switch，\u8df3\u5230\u540e\u9762\u7684\u4ee3\u7801\u7ee7\u7eed\u6267\u884c\u3002<\/p>\n flowchart TD
\u56fe 7：break \u4e0e continue \u5728\u5faa\u73af\u4e2d\u7684\u884c\u4e3a\u5bf9\u6bd4\u3002\u5de6：break \u76f4\u63a5\u8df3\u51fa\u6574\u4e2a\u5faa\u73af，\u540e\u7eed\u4ee3\u7801\u4e0d\u518d\u6267\u884c；\u53f3：continue \u53ea\u8df3\u8fc7\u672c\u6b21\u8fed\u4ee3\u7684\u5269\u4f59\u90e8\u5206，\u56de\u5230\u6761\u4ef6\u5224\u65ad\u51c6\u5907\u4e0b\u4e00\u8f6e<\/p>\n \/* \u627e\u5230\u7b2c\u4e00\u4e2a\u80fd\u88ab 7 \u6574\u9664\u7684\u6570\u5c31\u505c\u6b62 *\/ 4.2 continue \u2014\u2014 \u8df3\u8fc7\u672c\u8f6e<\/h4>\ncontinue \u4e0d\u9000\u51fa\u5faa\u73af，\u5b83\u53ea\u662f\u8df3\u8fc7\u672c\u6b21\u8fed\u4ee3\u4e2d\u5269\u4e0b\u7684\u4ee3\u7801，\u76f4\u63a5\u56de\u5230\u5faa\u73af\u7684\u6761\u4ef6\u5224\u65ad\u5904，\u51c6\u5907\u4e0b\u4e00\u8f6e\u3002<\/p>\n \/* \u6253\u5370 1~10 \u4e2d\u6240\u6709\u5947\u6570 *\/ \u8bb0\u5fc6\u53e3\u8bc0：break \u662f"\u6211\u4e0d\u5e72\u4e86"，continue \u662f"\u8fd9\u6b21\u4e0d\u7b97，\u4e0b\u6b21\u518d\u6765"\u3002<\/p>\n \n \u4e94\u3001\u5d4c\u5957\u5faa\u73af：\u5916\u5c42\u8d70\u4e00\u6b65，\u5185\u5c42\u8dd1\u4e00\u5708<\/h3>\n\u5f53\u4e00\u4e2a\u5faa\u73af\u7684\u5faa\u73af\u4f53\u91cc\u53c8\u5305\u542b\u53e6\u4e00\u4e2a\u5faa\u73af\u65f6，\u5c31\u53eb\u5d4c\u5957\u5faa\u73af（nested loop）\u3002\u8fd9\u662f\u6253\u5370\u4e5d\u4e5d\u4e58\u6cd5\u8868\u3001\u77e9\u9635\u8fd0\u7b97\u3001\u56fe\u6848\u8f93\u51fa\u7b49\u573a\u666f\u7684\u6838\u5fc3\u6280\u672f\u3002<\/p>\n flowchart TD
\u56fe 8：\u5d4c\u5957\u5faa\u73af\u7684\u6267\u884c\u987a\u5e8f\u3002\u5916\u5c42\u6bcf\u63a8\u8fdb\u4e00\u8f6e，\u5185\u5c42\u90fd\u8981\u4ece\u5934\u5230\u5c3e\u5b8c\u6574\u6267\u884c\u4e00\u904d\u3002\u603b\u6267\u884c\u6b21\u6570 = \u5916\u5c42\u8fed\u4ee3\u6b21\u6570 \u00d7 \u5185\u5c42\u8fed\u4ee3\u6b21\u6570<\/p>\n \u7ecf\u5178\u6848\u4f8b\u2014\u2014\u4e5d\u4e5d\u4e58\u6cd5\u8868：<\/p>\n for (int i = 1; i <= 9; i++) { \/* \u5916\u5c42：\u884c 1~9 *\/ \u8f93\u51fa：<\/p>\n 1×1=1 \u5d4c\u5957\u5faa\u73af\u7684\u6027\u80fd\u6ce8\u610f\u70b9：<\/p>\n
|
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260727084947-6a671babcec5e.png\")
<\/p>\n![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260727084947-6a671babedbe4.png\")
<\/p>\n