{"id":64127,"date":"2026-01-22T20:40:32","date_gmt":"2026-01-22T12:40:32","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/64127.html"},"modified":"2026-01-22T20:40:32","modified_gmt":"2026-01-22T12:40:32","slug":"%e3%80%90c%e3%80%91-%e5%88%b7%e9%a2%98%e4%b8%80%e6%98%9f%e6%9c%9f%e7%9a%84%e5%b0%8f%e6%80%bb%e7%bb%93%e5%8c%85%e6%8b%ac%e6%b1%82%e6%9c%80%e5%a4%a7%e5%80%bc%ef%bc%8c%e7%94%a8%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/64127.html","title":{"rendered":"\u3010C++\u3011 \u5237\u9898\u4e00\u661f\u671f\u7684\u5c0f\u603b\u7ed3(\u5305\u62ec\u6c42\u6700\u5927\u503c\uff0c\u7528\u6570\u7ec4\u50a8\u5b58\u5305\u542b\u7a7a\u683c\u7684\u5b57\u7b26\u4e32\u3001\u5411\u4e0a\u53d6\u6574)"},"content":{"rendered":"

1.\u6c42\u6700\u5927\u503c\u6216\u6700\u5c0f\u503c<\/h2>\n

\u5bf9\u4e00\u4e2a\u521d\u5b66\u8005\u6765\u8bf4，\u5728\u5237\u9898\u7684\u65f6\u5019\u9047\u5230\u8fd9\u79cd\u6c42\u89e3，\u6700\u5927\u503c\u548c\u6700\u5c0f\u503c\u662f\u7279\u522b\u5e38\u89c1\u7684,\u5927\u5bb6\u5728\u9047\u5230\u8fd9\u79cd\u95ee\u9898\u7684\u65f6\u5019，\u662f\u7528\u4ec0\u4e48\u65b9\u6cd5\u5728\u89e3\u51b3\u5462？\u8fd9\u91cc\u63d0\u4f9b\u4e24\u79cd\u5199\u6cd5\u4f9b\u5927\u5bb6\u53c2\u8003<\/p>\n

1.1 \u5e38\u89c4\u5199\u6cd5<\/h3>\n

\u7b2c\u4e00\u79cd\u5199\u6cd5\u3002\u76f8\u4fe1\u5927\u5bb6\u5728\u521d\u5b66\u7f16\u7a0b\u8bed\u8a00\u7684\u65f6\u5019\u4e00\u5b9a\u90fd\u8fd9\u4e48\u5e72\u8fc7<\/p>\n

#include<iostream>
\nusing namespace std;
\nint main()
\n{
\nint a, b, c;
\ncin >> a >> b >> c;
\nint max = a;<\/p>\n

if (b > max)
\nmax = b;<\/p>\n

if (c > max)
\nmax = c;
\nreturn 0;
\n}<\/p>\n

\u8fd9\u79cd\u65b9\u6cd5\u7684\u672c\u8d28\u5c31\u662f\u5148\u968f\u4fbf\u6307\u5b9a\u4e00\u4e2a\u6570\u4e3a\u6700\u5927\u503c，\u7136\u540e\u518d\u901a\u8fc7\u6bd4\u8f83\u548c\u8d4b\u503c\u7684\u64cd\u4f5c\u6765\u8c03\u6574\u3002<\/p>\n

\u8fd9\u79cd\u65b9\u6cd5\u7684\u597d\u5904\u5c31\u662f\u6781\u5176\u9002\u5408\u521d\u5b66\u8005，\u4f46\u662f\u8fd9\u4f1a\u8ba9\u4ee3\u7801\u663e\u5f97\u5197\u4f59，\u5982\u679c\u60f3\u8ba9\u4ee3\u7801\u66f4\u7b80\u6d01\u3001\u66f4 \u201cC++ \u98ce\u683c\u201d，\u8fd9\u91cc\u6709\u51e0\u4e2a\u66f4\u597d\u7684\u65b9\u6848：<\/p>\n

1.2 \u5229\u7528\u5e93\u51fd\u6570\u5b9e\u73b0（\u4e00\u884c\u641e\u5b9a）<\/h3>\n

#include <iostream>
\n#include <algorithm> \/\/ \u663e\u5f0f\u5305\u542b\u5934\u6587\u4ef6，\u786e\u4fdd std::max \u53ef\u7528<\/p>\n

using namespace std;<\/p>\n

int main()
\n{
\n int a, b, c;
\n cin >> a >> b >> c;<\/p>\n

\/\/ \u65b9\u68481：\u5d4c\u5957\u8c03\u7528 std::max
\n int max_val = max(max(a, b), c);<\/p>\n

\/\/ \u65b9\u68482：C++11\u53ca\u4ee5\u540e\u652f\u6301\u521d\u59cb\u5316\u5217\u8868，\u66f4\u76f4\u89c2
\n int max_val = max({a, b, c});<\/p>\n

cout << "\u6700\u5927\u503c\u662f：" << max_val << endl;
\n return 0;
\n}<\/p>\n

1.3 \u4e09\u76ee\u8fd0\u7b97\u7b26<\/h3>\n

\u7528\u4e09\u76ee\u8fd0\u7b97\u7b26\u53ef\u4ee5\u628a\u6bd4\u8f83\u903b\u8f91\u538b\u7f29\u5230\u4e00\u884c，\u9002\u5408\u8ffd\u6c42\u7b80\u6d01\u7684\u573a\u666f：<\/p>\n

#include<iostream>
\nusing namespace std;
\nint main()
\n{
\nint a, b, c;
\ncin >> a >> b >> c;<\/p>\n

a = a > b ? a : b; \/\/exp1 ? exp2 : exp3
\na = a > c ? a : c; \/\/\u4e09\u76ee\u64cd\u4f5c\u7b26：\u8868\u8fbe\u5f0f exp1 \u6210\u7acb，\u7ed3\u679c\u5c31\u662f\u8868\u8fbe\u5f0f exp2 \u7684\u503c
\n\/\/ \u82e5\u4e0d\u6210\u7acb\u7ed3\u679c\u5c31\u662f exp3 \u7684\u503c
\ncout << a << endl;
\nreturn 0;
\n}<\/p>\n

2.\u00a0 \u5b8c\u6574\u8bfb\u53d6\u5e26\u7a7a\u683c\u7684\u5b57\u7b26\u4e32 （getline)<\/h2>\n

\u5728\u6211\u4eec\u89e3\u9898\u7684\u65f6\u5019，\u6709\u7684\u65f6\u5019\u4f1a\u9047\u89c1\u9700\u8981\u6211\u4eec\u8bfb\u53d6\u4e00\u6574\u4e32\u5b57\u7b26\u4e32\u7684\u60c5\u51b5\u3002\u800c\u5982\u679c\u521b\u7acb\u4e00\u4e2a\u6570\u7ec4，\u7136\u540e\u7528 cin \u6216\u8005\u662f scanf \u53bb\u8bfb\u53d6\u7684\u65b9\u5f0f，\u90a3\u5c31\u65e0\u6cd5\u8bfb\u53d6\u5230\u5e26\u7a7a\u683c\u7684\u5b57\u7b26\u4e32，<\/span>\u6bd4\u5982\u8bf4 I love C \u8fd9\u53e5\u8bdd\u91cc\u9762\u5c31\u542b\u6709\u4e24\u4e2a\u7a7a\u683c，\u5982\u679c\u4f60\u76f4\u63a5\u7528 scanf \u53bb\u8bfb\u53d6\u7684\u8bdd，\u6216\u8005\u662f cin \u53bb\u8bfb\u53d6\u7684\u8bdd，\u4f60\u53ea\u4f1a\u8bfb\u53d6\u5230 I<\/p>\n

\"\"<\/p>\n

\u5c31\u50cf\u4e0a\u9762\u8fd9\u9898，\u5728\u8bfb\u53d6\u5b57\u7b26\u4e32\u65f6\u5fc5\u987b\u7528\u5230 getline\u00a0\u8fd9\u4e2a\u51fd\u6570<\/p>\n

#include <iostream>
\n#include <string> \/\/ \u5fc5\u987b\u5305\u542b\u6b64\u5934\u6587\u4ef6
\nusing namespace std;<\/p>\n

int main() {
\n \/\/ \u65b9\u68481：\u8bfb\u53d6\u65e0\u7a7a\u683c\u7684\u5b57\u7b26\u4e32（\u5982 "hello"）
\n string str1;
\n cout << "\u8f93\u5165\u65e0\u7a7a\u683c\u5b57\u7b26\u4e32：";
\n cin >> str1; \/\/ \u9047\u5230\u7a7a\u683c\/\u6362\u884c\u5c31\u505c\u6b62\u8bfb\u53d6
\n cout << "\u4f60\u8f93\u5165\u7684\u662f：" << str1 << endl;<\/p>\n

\/\/ \u6ce8\u610f：cin\u8bfb\u53d6\u540e\u4f1a\u6b8b\u7559\u6362\u884c\u7b26，\u9700\u8981\u6e05\u7406\u7f13\u51b2\u533a\u624d\u80fd\u7528getline
\n cin.ignore(numeric_limits<streamsize>::max(), '\\\\n');<\/p>\n

\/\/ \u65b9\u68482：\u8bfb\u53d6\u5e26\u7a7a\u683c\u7684\u6574\u884c\u5b57\u7b26\u4e32（\u5982 "hello world"）
\n string str2;
\n cout << "\u8f93\u5165\u5e26\u7a7a\u683c\u7684\u6574\u884c\u5b57\u7b26\u4e32：";
\n getline(cin, str2); \/\/ \u8bfb\u53d6\u6574\u884c，\u5305\u62ec\u7a7a\u683c
\n cout << "\u4f60\u8f93\u5165\u7684\u662f：" << str2 << endl;<\/p>\n

return 0;
\n}<\/p>\n

3. \u5411\u4e0a\u53d6\u6574\u548c\u5411\u4e0b\u53d6\u6574<\/h2>\n

3.1 \u5de7\u5999\u8fd0\u7528\u6574\u6570\u9664\u6cd5<\/h3>\n

\u9762\u5bf9\u53d6\u6574\u95ee\u9898，\u6211\u6709\u4e24\u4e2a\u89e3\u51b3\u65b9\u6848，\u7b2c\u4e00\u4e2a\u5c31\u662f\u901a\u8fc7\u5de7\u5999\u7684\u8fd0\u7528\u6574\u6570\u9664\u6cd5\u6765\u5b9e\u73b0\u8fd9\u4e00\u64cd\u4f5c，\u53e6\u5916\u4e00\u79cd\u540c\u6837\u4e5f\u662f\u4f7f\u7528\u5e93\u51fd\u6570，\u5148\u4ecb\u7ecd\u7b2c\u4e00\u79cd<\/p>\n

#include<iostream>
\nusing namespace std;
\nint main()
\n{
\nint distance = 103;
\nint speed = 3;
\nint time = (distance + speed – 1) \/ speed; \/\/\u7ed3\u679c\u4e3a 35<\/p>\n

cout << time << endl;
\nreturn 0;
\n}<\/p>\n

\u8fd9\u79cd\u505a\u6cd5\u7684\u672c\u8d28\u5176\u5b9e\u5c31\u662f\u6211\u901a\u8fc7\u52a0\u4e00\u4e2a\u9664\u6570，\u4f7f\u5f97\u6211\u7684\u7ed3\u679c\u5fc5\u5b9a\u4f1a+1，\u7136\u540e\u518d\u53bb -1\u3002\u907f\u514d\u56e0\u4e3a\u6211 distance \u672c\u8eab\u5c31\u80fd\u6574\u9664\u3002\u4f46\u6211\u4ecd\u7136\u5411\u4e0a\u53d6\u4e86\u4e00\u4f4d\u3002\u610f\u601d\u5c31\u662f\u8bf4 distance \u53ea\u8981\u6bd4\u80fd\u6574\u9664\u7684\u60c5\u51b5\u5927\u4e00\u70b9，\u4e5f\u5c31\u662f\u5927\u4e00\u5c31\u80fd\u5b9e\u73b0\u5411\u4e0a\u53d6\u6574\u3002<\/p>\n

3.2 \u5e93\u51fd\u6570<\/h3>\n

#include<iostream>
\n#include<cmath> \/\/
\nusing namespace std;
\nint main()
\n{
\nint distance = 103;
\nint speed = 3;
\nint time = ceil(distance * 1.0 \/ speed);
\n \/\/\u8fd9\u91cc\u8bb0\u5f97 * 1.0 ，\u5426\u5219\u4f1a\u56e0\u4e3a\u6267\u884c\u7684\u662f\u6574\u6570\u9664\u6cd5\u800c\u8ba1\u7b97\u9519\u8bef
\ncout << time << endl; \/\/\u7ed3\u679c\u4e3a 35 <\/p>\n

int time = floor(distance * 1.0 \/ speed);
\ncout << time << endl; \/\/\u7ed3\u679c\u4e3a 34
\nreturn 0;
\n}<\/p>\n

\u6211\u4eec\u5148\u6765\u770b\u770b\u8fd9\u4e2a\u82f1\u6587\u5355\u8bcd，ceil \u867d\u7136\u672c\u8eab\u662f\u4e2a\u52a8\u8bcd，\u4f46\u5b83\u7684\u540d\u8bcd\u7684\u610f\u601d\u662f\u5929\u82b1\u677f，floor \u8fd9\u4e2a\u5355\u8bcd\u7684\u610f\u601d\u662f\u5730\u677f\u3002\u5f88\u5f62\u8c61\u5427<\/p>\n

\u5927\u5bb6\u5e94\u7528\u8fd9\u4e24\u4e2a\u51fd\u6570\u4e00\u5b9a\u8981\u6ce8\u610f\u4e24\u4e2a\u70b9，\u4e00\u4e2a\u5c31\u662f\u8981\u5305\u542b cmath\u8fd9\u4e2a\u5934\u6587\u4ef6\u3002\u8fd8\u6709\u4e00\u4e2a\u5c31\u662f\u4f60\u4f20\u8fdb\u53bb\u7684\u53c2\u6570\u4e00\u5b9a\u8981\u662f\u4e00\u4e2a\u6d6e\u70b9\u6570\u3002\u5982\u679c\u4f60\u8981\u4f20\u4e00\u4e2a\u8868\u8fbe\u5f0f，\u5207\u8bb0\u5b83\u4eec\u6267\u884c\u7684\u4e00\u5b9a\u8981\u662f\u4e00\u4e2a\u6d6e\u70b9\u6570\u9664\u6cd5\u3002<\/span>\u50cf\u6211\u8fd9\u91cc\u5c31\u624b\u52a8\u7684\u7ed9\u5b83\u4e58\u4e86\u4e2a1.0，\u4f7f\u5f97\u5b83\u6267\u884c\u4e86\u6d6e\u70b9\u6570\u9664\u6cd5\u3002<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"

1.\u6c42\u6700\u5927\u503c\u6216\u6700\u5c0f\u503c\u5bf9\u4e00\u4e2a\u521d\u5b66\u8005\u6765\u8bf4，\u5728\u5237\u9898\u7684\u65f6\u5019\u9047\u5230\u8fd9\u79cd\u6c42\u89e3，\u6700\u5927\u503c\u548c\u6700\u5c0f\u503c\u662f\u7279\u522b\u5e38\u89c1\u7684,\u5927\u5bb6\u5728\u9047\u5230\u8fd9\u79cd\u95ee\u9898\u7684\u65f6\u5019，\u662f\u7528\u4ec0\u4e48\u65b9\u6cd5\u5728\u89e3\u51b3\u5462？\u8fd9\u91cc\u63d0\u4f9b\u4e24\u79cd\u5199\u6cd5\u4f9b\u5927\u5bb6\u53c2\u80031.1 \u5e38\u89c4\u5199\u6cd5\u7b2c\u4e00\u79cd\u5199\u6cd5\u3002\u76f8\u4fe1\u5927\u5bb6\u5728\u521d\u5b66\u7f16\u7a0b\u8bed\u8a00\u7684\u65f6\u5019\u4e00\u5b9a\u90fd\u8fd9\u4e48\u5e72\u8fc7#include
\nusing namespace std;
\nint main()
\n{
\nint a, b, c;
\ncin >> a >> b >> c;
\nint max <\/p>\n","protected":false},"author":2,"featured_media":64126,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1813,427],"topic":[],"class_list":["post-64127","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-1813","tag-427"],"yoast_head":"\n\u3010C++\u3011 \u5237\u9898\u4e00\u661f\u671f\u7684\u5c0f\u603b\u7ed3(\u5305\u62ec\u6c42\u6700\u5927\u503c\uff0c\u7528\u6570\u7ec4\u50a8\u5b58\u5305\u542b\u7a7a\u683c\u7684\u5b57\u7b26\u4e32\u3001\u5411\u4e0a\u53d6\u6574) - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/64127.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010C++\u3011 \u5237\u9898\u4e00\u661f\u671f\u7684\u5c0f\u603b\u7ed3(\u5305\u62ec\u6c42\u6700\u5927\u503c\uff0c\u7528\u6570\u7ec4\u50a8\u5b58\u5305\u542b\u7a7a\u683c\u7684\u5b57\u7b26\u4e32\u3001\u5411\u4e0a\u53d6\u6574) - 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