{"id":353,"date":"2021-12-16T18:57:50","date_gmt":"2021-12-16T10:57:50","guid":{"rendered":"https:\/\/mzdyl.xyz\/?p=353"},"modified":"2022-04-21T00:31:33","modified_gmt":"2022-04-20T16:31:33","slug":"c%e5%ae%9e%e9%aa%8c","status":"publish","type":"post","link":"https:\/\/mzdyl.xyz\/index.php\/2021\/12\/16\/c%e5%ae%9e%e9%aa%8c\/","title":{"rendered":"C++\u5b9e\u9a8c(3.0)"},"content":{"rendered":"\n
\n

Changelog<\/strong><\/h2>\n\n\n\n

1.0 \u57fa\u672c\u5b8c\u6210\u5168\u90e8\u4ee3\u7801\u8f93\u5165(\u5b9e\u9a8c7\u9664\u5916<\/p>\n\n\n\n

1.1 \u5c0f\u5e45\u6539\u8fdb\u4ee3\u7801,\u4f18\u5316\u8fd0\u884c\u901f\u5ea6(\u4e0d\u662f<\/p>\n\n\n\n

2.0 \u5b8c\u6210\u6240\u4ee5\u9898\u76ee\u5e76\u6539\u6b63\u5b9e\u9a8c\u516b<\/p>\n\n\n\n

3.0 \u4f18\u5316\u5e03\u5c40\u548c\u89c2\u611f<\/p>\n\n\n\n

<\/p>\n\n\n\n

\u4ec5\u4f9b\u5b66\u4e60\u4ea4\u6d41\uff0c\u4e25\u7981\u7528\u4e8e\u5546\u4e1a\u7528\u9014\uff0c\u8bf7\u4e8e24\u5c0f\u65f6\u5185\u5220\u9664<\/span><\/h2>\n\n\n\n

<\/p>\n\n\n\n

\n
\n
\n
\"\"<\/div>
\u76f8\u4fe1\u5404\u4f4d\u90fd\u4e0d\u4f1a\u6284\u88ad\u5427<\/strong><\/figcaption><\/figure><\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n

<\/p>\n<\/div><\/div>\n\n\n\n

\u5b9e\u9a8c\u4e00 \u7b80\u5355C++\u7a0b\u5e8f\u8bbe\u8ba1<\/strong><\/h2>\n\n\n\n

\u5b9e\u9a8c\u5b66\u65f6\uff1a2\u5b66\u65f6<\/p>\n\n\n\n

\u5b9e\u9a8c\u7c7b\u578b\uff1a\u9a8c\u8bc1<\/p>\n\n\n\n

\u5b9e\u9a8c\u8981\u6c42\uff1a\u5fc5\u4fee<\/p>\n\n\n\n

\u4e00\u3001\u5b9e\u9a8c\u9898\u76ee<\/strong><\/h3>\n\n\n\n

1.\u7f16\u5199\u7a0b\u5e8f\uff0c\u8ba1\u7b97\u5706\u9762\u79ef\uff0c\u534a\u5f84\u4ece\u952e\u76d8\u8f93\u5165\u3002\u6ce8\u610f\uff0c\u8f93\u4eba\u6570\u636e\u524d\u8981\u6709\u63d0\u793a\u4fe1\u606f\uff0c\u4fbf\u4e8e\u64cd\u4f5c\u3002<\/p>\n\n\n\n

\u4e8c\u3001\u7a0b\u5e8f<\/strong><\/h3>\n\n\n\n
#include <bits\/stdc++.h>\n#define PI 3.1415926\nusing namespace std;\nint main(){\n    double r, s;\n    cout << \"\u534a\u5f84 r=\";\n    cin >> r;\n    s = PI * r * r;\n    printf (\"\u9762\u79ef s= %.2lf\", s);\n}<\/code><\/pre>\n\n\n\n
\u4e09\u3001\u8fd0\u884c\u7ed3\u679c<\/strong><\/h3>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u4e00\u3001\u5b9e\u9a8c\u9898\u76ee<\/strong><\/h3>\n\n\n\n
2.\u7f16\u5199\u7a0b\u5e8f\uff0c\u5df2\u77e5\u4e09\u89d2\u5f62\u7684\u4e09\u8fb9 a\uff0cb\uff0cc\uff0c\u6c42\u4e09\u89d2\u5f62\u7684\u5468\u957f\u548c\u9762\u79ef\u3002\u8981\u6c42\u4ece\u952e\u76d8\u8f93\u5165\u4e09\u89d2\u5f62\u7684\u4e09\u8fb9\uff0c\u8f93\u5165\u524d\u6709\u63d0\u793a\u4fe1\u606f\uff0c\u4fbf\u4e8e\u64cd\u4f5c\u3002<\/p>\n\n\n\n
\u4e09\u89d2\u5f62\u7684\u5468\u957f\uff1as=a+b+c<\/p>\n\n\n\n
\u4e09\u89d2\u5f62\u7684\u9762\u79ef\uff1aarea=((s\/2)(s\/2-a)(s\/2-b)(s\/2-c))^(1\/2)<\/p>\n\n\n\n
\u4e8c\u3001\u7a0b\u5e8f<\/strong><\/h3>\n\n\n\n
#include <bits\/stdc++.h>\nusing namespace std;\nint main() {\n    double s, area, a, b, c;\n    cout << \"a= \", cin >> a;\n    cout << \"b= \", cin >> b;\n    cout << \"c= \", cin >> c;\n    s = a + b + c;\n    area = sqrt((s \/ 2) * (s \/ 2 - a) * (s \/ 2 - b) * (s \/ 2 - c));\n    cout << \"s= \" << s << endl;\n    cout << \"area= \" << area;\n}<\/code><\/pre>\n\n\n\n
\u4e09\u3001\u8fd0\u884c\u7ed3\u679c<\/strong><\/h3>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u4e00\u3001\u5b9e\u9a8c\u9898\u76ee<\/strong><\/h3>\n\n\n\n
\u8981\u6c42\u8bbe\u8ba1\u4e00\u4e2a\u51fd\u6570\uff0c\u6c42\u51fa\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b ax^2+bx+c=0 \u7684\u6839\uff0c\u7cfb\u6570 a\uff0cb\uff0cc \u7684\u503c\u4ece\u952e\u76d8\u4e0a\u8f93\u5165\uff0c\u6c42\u65b9\u7a0b\u6839\u7684\u8ba1\u7b97\u516c\u5f0f\u4e3a x=(-b\u00b1(b^2-4ac)^(1\/2))\/2a\uff0c\u5f53 b^2-4ac \u5c0f\u4e8e 0 \u65f6\uff0c\u8f93\u51fa\u201c\u65e0\u5b9e\u6839\uff01\u201d\uff1b\u5426\u5219\u8f93\u51fa x \u7684\u4e24\u4e2a\u5b9e\u6839\u3002<\/p>\n\n\n\n
\u4e8c\u3001\u7a0b\u5e8f<\/strong><\/h3>\n\n\n\n
#include \"bits\/stdc++.h\"\nusing namespace std;\nvoid Soildroot(double a, double b, double c) {\n    double x1, x2;\n    if ((pow(b, 2) - 4 * a * c) < 0) {\n        cout << \"\u65e0\u5b9e\u6839\";\n        return;\n    }\n    x1 = (-b + sqrt((b * b) - 4 * a * c)) \/ 2 * a;\n    x2 = (-b - sqrt((b * b) - 4 * a * c)) \/ 2 * a;\n    printf(\"x1= %.2lf x2= %.2lf\", x1, x2);\n}\nint main() {\n    double a, b, c;\n    cout << \"a= \", cin >> a;\n    cout << \"b= \", cin >> b;\n    cout << \"c= \", cin >> c;\n    Soildroot(a, b, c);\n}<\/code><\/pre>\n\n\n\n
\u4e09\u3001\u8fd0\u884c\u7ed3\u679c<\/strong><\/h3>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u5b9e\u9a8c\u4e8c \u5faa\u73af\u7ed3\u6784\u7a0b\u5e8f\u8bbe\u8ba1<\/strong><\/h2>\n\n\n\n
\u5b9e\u9a8c\u5b66\u65f6\uff1a2\u5b66\u65f6<\/p>\n\n\n\n
\u5b9e\u9a8c\u7c7b\u578b\uff1a\u9a8c\u8bc1<\/p>\n\n\n\n
\u5b9e\u9a8c\u8981\u6c42\uff1a\u5fc5\u4fee<\/p>\n\n\n\n
\u4e00\u3001\u5b9e\u9a8c\u9898\u76ee<\/strong><\/h3>\n\n\n\n
1.\u7f16\u5199\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u8f93\u5165\u4e00\u4e2a\u6574\u6570\uff0c\u6c42\u51fa\u8be5\u6574\u6570\u7684\u5404\u4f4d\u6570\u5b57\u4e4b\u548c\u3002\u4f8b\u5982\uff0c\u8f93\u5165 1234\uff0c\u8f93\u51fa 10\u3002<\/p>\n\n\n\n
\u4e8c\u3001\u7a0b\u5e8f<\/strong><\/h3>\n\n\n\n
#include <bits\/stdc++.h>\nusing namespace std;\nint main() {\n    int s = 0, a, n = 0;\n    cout << \"a= \";\n    cin >> a;\n    while (a) {\n        n = a % 10;\n        s += n;\n        a \/= 10;\n    }\n    cout << \"s= \" << s;\n}<\/code><\/pre>\n\n\n\n
\u4e09\u3001\u8fd0\u884c\u7ed3\u679c<\/strong><\/h3>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u4e00\u3001\u5b9e\u9a8c\u9898\u76ee<\/strong><\/h3>\n\n\n\n
2.\u7f16\u5199\u7a0b\u5e8f\uff0c\u6c42 100~200 \u5185\u7684\u6240\u6709\u7d20\u6570<\/p>\n\n\n\n
\u4e8c\u3001\u7a0b\u5e8f<\/strong><\/h3>\n\n\n\n
#include <bits\/stdc++.h>\nusing namespace std;\nbool prime_num(int num) {\n    for (int i = 2; i * i <= num; i++) {\n        if (num % i ==0) return false;\n    }\n    return true;\n}\nint main() {\n    int i = 100;\n    while (i <= 200) {\n        if (prime_num(i))\n            cout << i << \" \";\n        i++;\n    }\n}<\/code><\/pre>\n\n\n\n
\u4e09\u3001\u8fd0\u884c\u7ed3\u679c<\/strong><\/h3>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u4e00\u3001\u5b9e\u9a8c\u9898\u76ee<\/strong><\/h3>\n\n\n\n
3.\u7f16\u5199\u7a0b\u5e8f\u8ba1\u7b97\u4e0b\u5217\u516c\u5f0f\u7684\u503c\uff1ay=x-x^3\/3!+x^5\/5!-x^7\/7!+…\uff0c\u7cbe\u786e\u5230\u7b2cn\u9879\uff0c\u5176\u4e2dn=10\uff0cx=2.5\u5206\u522b\u7531\u952e\u76d8\u8f93\u5165\uff08\u7b54\u6848\uff1a0.598472\uff09<\/p>\n\n\n\n
\u4e8c\u3001\u7a0b\u5e8f<\/strong><\/h3>\n\n\n\n
#include <bits\/stdc++.h>\nusing namespace std;\nint main() {\n    double x, y, t;\n    int n;\n    cout << \"x= \", cin >> x;\n    cout << \"n= \", cin >> n;\n    y = x, t = x;\n    for (int i = 2; i <= n; i++) {\n        t = -t * x * x \/ ((2.0 * i - 1) * (2 * i - 2));\n        y += t;\n    }\n    cout << \"y= \" << y;\n}\n<\/code><\/pre>\n\n\n\n
\u4e09\u3001\u8fd0\u884c\u7ed3\u679c<\/strong><\/h3>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u5b9e\u9a8c\u4e09 \u6570\u7ec4\u7684\u5b9a\u4e49\u548c\u4f7f\u7528<\/strong> <\/strong><\/h2>\n\n\n\n
\u5b9e\u9a8c\u5b66\u65f6\uff1a2\u5b66\u65f6<\/p>\n\n\n\n
\u5b9e\u9a8c\u7c7b\u578b\uff1a\u9a8c\u8bc1<\/p>\n\n\n\n
\u5b9e\u9a8c\u8981\u6c42\uff1a\u5fc5\u4fee<\/p>\n\n\n\n
\u4e00\u3001\u5b9e\u9a8c\u9898\u76ee<\/strong><\/h3>\n\n\n\n
1.\u7f16\u5199\u7a0b\u5e8f\u7528\u7b5b\u9009\u6cd5\u6c42100\u4e4b\u5185\u7684\u7d20\u6570\u3002<\/p>\n\n\n\n
\u4e8c\u3001\u7a0b\u5e8f<\/strong><\/h3>\n\n\n\n
\/\/ Created by liuruofei20030120 on 2021\/12\/16.\n#include <bits\/stdc++.h>\n\nauto eratosthenes(int upperbound) {\n    std::vector<bool> flag(upperbound + 1, true);\n    flag[0] = flag[1] = false; \/\/exclude 0 and 1\n    for (int i = 2; i * i <= upperbound; ++i) {\n        if (flag[i]) {\n            for (int j = i * i; j <= upperbound; j += i)\n                flag[j] = false;\n        }\n    }\n    return flag;\n}\nint main(){\n    std::vector<bool> flag = eratosthenes(100);\n    for(int i=1;i<=100;i++)\n    {\n        if(flag[i])\n            std::cout << i << \" \";\n    }\n}<\/code><\/pre>\n\n\n\n
\u4e09\u3001\u8fd0\u884c\u7ed3\u679c<\/strong><\/h3>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u4e00\u3001\u5b9e\u9a8c\u9898\u76ee<\/strong><\/h3>\n\n\n\n
2.\u7f16\u5199\u7a0b\u5e8f\uff0c\u8f93\u51fa\u4ee5\u4e0b\u7684\u6768\u8f89\u4e09\u89d2\u5f62\uff08\u8f93\u51fa 10 \u884c\uff09\u3002<\/p>\n\n\n\n
1<\/p>\n\n\n\n
1 1<\/p>\n\n\n\n
1 2 1<\/p>\n\n\n\n
1 3 3 1<\/p>\n\n\n\n
1 4 6 4 1<\/p>\n\n\n\n
1 5 10 10 5 1<\/p>\n\n\n\n
\u4e8c\u3001\u7a0b\u5e8f<\/strong><\/h3>\n\n\n\n
#include \"bits\/stdc++.h\"\nusing namespace std;\nint num[11];\nint tnum[11];\nint main() {\n    int i = 1;\n    tnum[1] = 1;\n    num[1] = 1;\n    while (i < 12) {\n        int ii = 1;\n        while (num[ii]&&i!=1) {\n            cout << num[ii] << \" \";\n            ii++;\n        }\n        cout << endl;\n        memcpy(tnum, num, sizeof(int) * 10);\n        for (int iii = 1; iii <= i; iii++) {\n            num[iii] = tnum[iii - 1] + tnum[iii];\n        }\n        i++;\n    }\n}<\/code><\/pre>\n\n\n\n
\u4e09\u3001\u8fd0\u884c\u7ed3\u679c<\/strong><\/h3>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u4e00\u3001\u5b9e\u9a8c\u9898\u76ee<\/strong><\/h3>\n\n\n\n
3.\u5047\u5b9a\u5728\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\u4e2d\uff0c\u6bcf\u4e00\u4e2a\u5143\u7d20\u90fd\u662f\u4e0d\u8d85\u8fc7\u4e24\u4f4d\u6570\u7684\u6b63\u6574\u6570\uff0c\u8bd5\u7f16\u7a0b\u7edf\u8ba1\u8be5\u6570\u7ec4\u5168\u90e8\u5143\u7d20\u4e2d\u6570\u5b570\uff0c1\uff0c2\uff0c3\uff0c\u2026\uff0c9\u5404\u51fa\u73b0\u591a\u5c11\u6b21\u3002<\/p>\n\n\n\n
\u8981\u6c42\uff1a<\/p>\n\n\n\n
\u91c7\u7528\u4e0b\u5217\u65b9\u6cd5\u8f93\u5165\u6570\u636e\u3002<\/p>\n\n\n\n
int a[]={5, 26, 98, 77,1, 27, 30};<\/p>\n\n\n\n
\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n\n\n\n
0~9\u4f9d\u6b21\u51fa\u73b01 1 2 1 0 1 1 3 1 1\u6b21<\/p>\n\n\n\n
\u4e8c\u3001\u7a0b\u5e8f<\/strong><\/h3>\n\n\n\n
#include \"bits\/stdc++.h\"\nusing namespace std;\nint num[11];\nint main(){\n    char a;\n    a = getchar();\n    while(a!=';'){\n        if(a<='9'&&a>='0'){\n            num[a-'0']++;\n        }\n        a = getchar();\n    }\n    cout << \"0~9 \u4f9d\u6b21\u51fa\u73b0\";\n    for(int i;i<10;i++){\n        cout << num[i]<< \" \";\n    }\n    cout << \"\u6b21\";\n    return 0;\n}<\/code><\/pre>\n\n\n\n
\u4e09\u3001\u8fd0\u884c\u7ed3\u679c<\/strong><\/h3>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u5b9e\u9a8c\u56db \u51fd\u6570\u7684\u5b9a\u4e49\u548c\u8c03\u7528<\/strong><\/h2>\n\n\n\n
\u5b9e\u9a8c\u5b66\u65f6\uff1a2\u5b66\u65f6<\/p>\n\n\n\n
\u5b9e\u9a8c\u7c7b\u578b\uff1a\u9a8c\u8bc1<\/p>\n\n\n\n
\u5b9e\u9a8c\u8981\u6c42\uff1a\u5fc5\u4fee<\/p>\n\n\n\n
\u4e00\u3001\u5b9e\u9a8c\u9898\u76ee<\/strong><\/h3>\n\n\n\n
\u7528\u9012\u5f52\u8c03\u7528\u7684\u65b9\u6cd5\u7f16\u5199\uff0c\u7528\u725b\u987f\u8fed\u4ee3\u6cd5\u6c42f(x)=0\u7684\u4e00\u4e2a\u5b9e\u6839\u3002\u5176\u4e2d\uff0cf(x)=x^2+3x-4,\u8fed\u4ee3\u516c\u5f0f\u4e3ax1=x0-f(x0)\/f'(x0),x0\u7684\u521d\u503c\u662f0\uff0c\u5f53|f(x)|<10^(-5)\u65f6\u8fed\u4ee3\u7ed3\u675f\uff08\u7b54\u6848\uff1a1\uff09<\/p>\n\n\n\n
\u4e8c\u3001\u7a0b\u5e8f<\/strong><\/h3>\n\n\n\n
#include <bits\/stdc++.h>\nusing namespace std;\nfloat f(float x){\n    return x * x + 3 * x - 4;\n}\nfloat f1(float x){\n    return 2 * x + 3;\n}\nfloat ff(float x) {\n    float y;\n    if (fabs(f(x)) < 1e-5)\n        y = x;\n    else\n        y = ff(x - f(x) \/ f1(x));\n    return y;\n}\nint main() {\n    float x1;\n    x1 = 0;\n    cout << \"x=\" << ff(x1) << endl;\n}<\/code><\/pre>\n\n\n\n
\u4e09\u3001\u8fd0\u884c\u7ed3\u679c<\/strong><\/h3>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u5b9e\u9a8c\u4e94  \u51fd\u6570\u53c2\u6570\u4f20\u9012\u673a\u5236<\/strong><\/h2>\n\n\n\n
\u5b9e\u9a8c\u5b66\u65f6\uff1a2\u5b66\u65f6<\/p>\n\n\n\n
\u5b9e\u9a8c\u7c7b\u578b\uff1a\u9a8c\u8bc1<\/p>\n\n\n\n
\u5b9e\u9a8c\u8981\u6c42\uff1a\u5fc5\u4fee<\/p>\n\n\n\n
\u4e00\u3001\u5b9e\u9a8c\u9898\u76ee<\/strong><\/h3>\n\n\n\n
\u7f16\u5199\u4e00\u4e2a\u51fd\u6570int fun(char * str\uff0cchar * substr)\uff0c\u8be5\u51fd\u6570\u53ef\u4ee5\u7edf\u8ba1\u5b50\u5b57\u7b26\u4e32substr\u5728\u6bcd\u5b57\u7b26\u4e32str\u4e2d\u51fa\u73b0\u7684\u6b21\u6570\uff0c\u5e76\u5c06\u8be5\u6b21\u6570\u4f5c\u4e3a\u51fd\u6570\u503c\u8fd4\u56de\u3002\u4f8b\u5982\uff0c\u8f93\u5165\u7684\u6bcd\u5b57\u7b26\u4e32\u4e3aasd assasdfg asd as zx67\uff0c\u8f93\u5165\u7684\u5b50\u5b57\u7b26\u4e32\u4e3aas\uff0c\u5219as\u51fa\u73b0\u5728\u6bcd\u4e32\u4e2d\u7684\u6b21\u6570\u5e94\u4e3a5\u3002\u8981\u6c42\u5728\u4e3b\u51fd\u6570\u4e2d\u5206\u522b\u8f93\u5165\u6bcd\u4e32\u548c\u5b50\u4e32\uff0c\u5e76\u5c06\u5b83\u4eec\u4f5c\u4e3a\u5b9e\u9645\u53c2\u6570\u8c03\u7528\u51fd\u6570fun\uff0c\u540c\u65f6\u5c06\u7ed3\u679c\u5728\u4e3b\u51fd\u6570\u4e2d\u8f93\u51fa\u3002<\/p>\n\n\n\n
\u4e8c\u3001\u7a0b\u5e8f<\/strong><\/h3>\n\n\n\n
#include \"bits\/stdc++.h\"\nusing namespace std;\nint fun(string str, string substr) {\n    int ans = 0;\n    for (int i = 0; i < str.length(); i++)\n        if (str[i] == substr[0]) {\n            int num = 1;\n            while (str[i + num] == substr[num]) {\n                num++;\n                if(num == substr.length())  ans++;\n            }\n        }\n    return ans;\n}\nint main() {\n    string str;\n    string substr;\n    getline(cin, str);\n    getline(cin, substr);\n    int ans = fun(str, substr);\n    cout << ans;\n}<\/code><\/pre>\n\n\n\n
\u4e09\u3001\u8fd0\u884c\u7ed3\u679c<\/strong><\/h3>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u5b9e\u9a8c\u516d \u7c7b\u548c\u5bf9\u8c61\u7684\u5b9a\u4e49\u4e0e\u8bbf\u95ee<\/strong> <\/strong><\/h2>\n\n\n\n
\u5b9e\u9a8c\u5b66\u65f6\uff1a2\u5b66\u65f6<\/p>\n\n\n\n
\u5b9e\u9a8c\u7c7b\u578b\uff1a\u9a8c\u8bc1<\/p>\n\n\n\n
\u5b9e\u9a8c\u8981\u6c42\uff1a\u5fc5\u4fee<\/p>\n\n\n\n
\u4e00\u3001\u5b9e\u9a8c\u9898\u76ee<\/strong><\/h3>\n\n\n\n
\u8bd5\u5b9a\u4e49\u4e00\u4e2a\u7c7b STR,\u5c06\u4e00\u4e2a\u5b57\u7b26\u4e32 \u4e2d\u6307\u5b9a\u4f4d\u7f6e\u7684\u8fde\u7eed\u5b57\u7b26\u62fc\u63a5\u5230\u53e6\u4e00\u4e2a\u5b57\u7b26\u4e32\u7684\u5c3e\u90e8\uff0c\u5177\u4f53\u8981\u6c42\u5982\u4e0b\uff1a\uff081)\u79c1\u6709\u6570\u636e\u6210\u5458\u3002char*p;\u5b58\u653e\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\uff082)\u516c\u6709\u6210\u5458\u51fd\u6570\u3002STR(char*s):\u6784\u9020\u51fd\u6570\u3002\u4e3a\u6570\u636e\u6210\u5458p\u52a8\u6001\u5206\u914d\u7a7a\u95f4\uff0c\u5e76\u5229\u7528\u53c2\u6570s\u521d\u59cb\u5316\u6570\u636e\u6210\u5458p.void fun(char * s,int nl, int n2): \u5c06\u5b57\u7b26\u4e32 s\u4ece\u7b2cn1(\u4ece0\u5f00\u59cb\u8ba1\u6570\uff09\u4e2a\u5b57\u7b26\u5f00\u59cb\u7684\u8fde\u7eedn2\u4e2a\u5b57\u7b26\u62fc\u63a5\u5230\u6570\u636e\u6210\u5458p\u6240\u6307\u5411\u7684\u5b57\u7b26\u4e32\u4e4b\u540e\uff0c\u5f62\u6210\u4e00\u4e2a\u65b0\u7684\u5b57\u7b26\u4e32\u3002\u6ce8\u610f\uff0c\u5fc5\u987b\u4e3ap\u91cd\u65b0\u5206\u914d\u5185\u5b58\u7a7a\u95f4\u3002void print():\u6309\u8f93\u51fa\u793a\u4f8b\u683c\u5f0f\u8f93\u51fa\u6570\u636e\u6210\u5458p.~STR():\u6790\u6784\u51fd\u6570\uff0c\u91ca\u653e\u52a8\u6001\u5185\u5b58\u3002\uff083)\u5728\u4e3b\u51fd\u6570\u4e2d\u5b8c\u6210\u5bf9\u8be5\u7c7b\u7684\u6d4b\u8bd5\u3002\u8f93\u5165\u8f93\u51fa\u793a\u4f8b\uff08\u4e0b\u753b\u7ebf\u90e8\u5206\u4e3a\u952e\u76d8\u8f93\u5165\uff09\uff1a\u5b57\u7b26\u4e321:abcdefg\u5b57\u7b26\u4e322:12345678\u8f93\u5165\u8d77\u59cb\u7684\u4f4d\u7f6e\u548c\u5b57\u7b26\u4e2a\u6570\uff1a2 5\u5904\u7406\u540e\u7684\u5b57\u7b26\u4e321\u4e3a\uff1aabcdefg34567<\/p>\n\n\n\n
\u4e8c\u3001\u7a0b\u5e8f<\/strong><\/h3>\n\n\n\n
\/\/STR.h\n\/\/ Created by liuruofei20030120 on 2021\/12\/15.\n#ifndef C_PLUS_STR_H\n#define C_PLUS_STR_H\nclass STR {\n    char *p = nullptr;\npublic:\n    STR(char *s);\n    void fun(char *s,int n1,int n2);\n    void print();\n    ~STR();\n};\n#endif\/\/C_PLUS_STR_H\n\/\/STR.cpp\n#include \"STR.h\"\n#include <bits\/stdc++.h>\nSTR::STR(char *s) {\n    int len = strlen(s);\n    this->p = new char[len + 1000];\n    for (int i = 0; i < len; i++) {\n        p[i] = s[i];\n    }\n}\nvoid STR::fun(char *s, int st, int len) {\n    int llen = strlen(p);\n    for (int i = 0; i < len; i++) {\n        p[llen + i] = s[st + i];\n    }\n}\nvoid STR::print() {\n    std::cout << \"\u5904\u7406\u540e\u7684\u5b57\u7b26\u4e321\u4e3a\";\n    std::cout << p;\n}\nSTR::~STR() {\n    delete p;\n    p = nullptr;\n}\n\/\/main.cpp\n#include \"bits\/stdc++.h\"\nusing namespace std;\n#include \"STR.h\"\n\nint main() {\n    char a[1000];\n    char b[1000];\n    cout << \"\u5b57\u7b26\u4e32 1 \";\n    cin >> a;\n    cout << \"\u5b57\u7b26\u4e32 \uff12 \";\n    cin >> b;\n    STR aa = STR(a);\n    STR bb = STR(b);\n    cout << \"\u8f93\u5165\u8d77\u59cb\u4f4d\u7f6e\u548c\u5b57\u7b26\u4e2a\u6570\uff1a\u3000\";\n    int c, d;\n    cin >> c >> d;\n    aa.fun(b, c, d);\n    cout << \"\u5904\u7406\u540e\u7684\u5b57\u7b26\u4e321\u4e3a\uff1a\" ;\n    aa.print();\n}<\/code><\/pre>\n\n\n\n
\u4e09\u3001\u8fd0\u884c\u7ed3\u679c<\/strong><\/h3>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u5b9e\u9a8c\u4e03 \u7ee7\u627f\u3001\u6d3e\u751f\u548c\u591a\u6001\u6027<\/strong><\/h2>\n\n\n\n
\u5b9e\u9a8c\u5b66\u65f6\uff1a2\u5b66\u65f6<\/p>\n\n\n\n
\u5b9e\u9a8c\u7c7b\u578b\uff1a\u9a8c\u8bc1<\/p>\n\n\n\n
\u5b9e\u9a8c\u8981\u6c42\uff1a\u5fc5\u4fee<\/p>\n\n\n\n
\u4e00\u3001\u5b9e\u9a8c\u9898\u76ee<\/strong><\/h3>\n\n\n\n
\u5b9a\u4e49\u4e00\u4e2a\u5706\u7c7bCircle\uff0c\u5177\u4f53\u8981\u6c42\u5982\u4e0b\uff1a<\/p>\n\n\n\n
\uff081)\u79c1\u6709\u6570\u636e\u6210\u5458\u3002<\/p>\n\n\n\n
double radius\uff1a\u5b58\u653e\u5706\u7684\u534a\u5f84<\/p>\n\n\n\n
\uff082)\u516c\u6709\u6210\u5458\u51fd\u6570\u3002<\/p>\n\n\n\n
Circle(double r)\uff1a\u6784\u9020\u51fd\u6570\uff0c\u8bbe\u7f6e\u5706\u7684\u534a\u5f84\u3002<\/p>\n\n\n\n
double area()\uff1a\u83b7\u53d6\u5706\u7684\u9762\u79ef\u3002<\/p>\n\n\n\n
double perimeter()\uff1a\u83b7\u53d6\u5706\u7684\u5468\u957f\u3002<\/p>\n\n\n\n
\u5b9a\u4e49\u4e00\u4e2a\u5706\u67f1\u7c7bCylinder\uff0c\u4e3a\u5706\u7c7b\u7684\u6d3e\u751f\u7c7b\uff0c\u5177\u4f53\u8981\u6c42\u5982\u4e0b\uff1a<\/p>\n\n\n\n
\uff081)\u79c1\u6709\u6570\u636e\u6210\u5458\u3002<\/p>\n\n\n\n
double height: \u5b58\u653e\u5706\u67f1\u7684\u9ad8\u3002<\/p>\n\n\n\n
\uff082)\u516c\u6709\u6210\u5458\u51fd\u6570\u3002<\/p>\n\n\n\n
Cylinder(double r, double h)\uff1a\u6784\u9020\u51fd\u6570\uff0c\u8bbe\u7f6e\u5706\u67f1\u7684\u534a\u5f84\u548c\u9ad8\u3002<\/p>\n\n\n\n
double volume()\uff1a\u83b7\u53d6\u5706\u67f1\u7684\u4f53\u79ef\u3002<\/p>\n\n\n\n
double surface()\uff1a\u83b7\u53d6\u5706\u67f1\u7684\u8868\u9762\u79ef\u3002<\/p>\n\n\n\n
\uff083)\u5728\u4e3b\u51fd\u6570\u4e2d\u5b8c\u6210\u5bf9\u8be5\u7c7b\u7684\u6d4b\u8bd5\u3002<\/p>\n\n\n\n
\u8f93\u5165\u8f93\u51fa\u793a\u4f8b\uff1a<\/p>\n\n\n\n
\u8f93\u5165\u5706\u67f1\u534a\u5f84\uff1a3<\/p>\n\n\n\n
\u8f93\u5165\u5706\u67f1\u9ad8\uff1a5<\/p>\n\n\n\n
\u8f93\u51fa\u5706\u67f1\u8868\u9762\u79ef\u3001\u4f53\u79ef\uff1a141.372 150.796<\/p>\n\n\n\n
\u4e8c\u3001\u7a0b\u5e8f<\/strong><\/h3>\n\n\n\n
\/\/Circle.h\n\/\/ Created by liuruofei20030120 on 2021\/12\/16.\n#ifndef TEMP_CIRCLE_H\n#define TEMP_CIRCLE_H\nclass Circle {\n    double radius;\npublic:\n    explicit Circle(double r);\n    [[nodiscard]] double area() const;\n    [[nodiscard]] double perimeter() const;\n};\n#endif\/\/TEMP_CIRCLE_H\n\/\/Circle.cpp\n#define Pi 3.1415926\n#include \"Circle.h\"\nCircle::Circle(double r) {\n    radius = r;\n}\ndouble Circle::area() const {\n    return radius * radius * Pi;\n}\ndouble Circle::perimeter() const {\n    return radius * 2.0 * Pi;\n}\n\/\/Cylinder.h\n#ifndef TEMP_CYLINDER_H\n#define TEMP_CYLINDER_H\n#include \"Circle.h\"\nclass Cylinder : public Circle {\n    double height;\npublic:\n    Cylinder(double r, double h);\n    double volume();\n    double surface();\n};\n#endif\/\/TEMP_CYLINDER_H\n\/\/Cylinder.cpp\n#include \"Cylinder.h\"\nCylinder::Cylinder(double r, double h) : Circle(r) {\n    height = h;\n}\ndouble Cylinder::volume() {\n    return height * area();\n}\ndouble Cylinder::surface() {\n    return height * perimeter() + 2.0 * area();\n}\n\/\/main.cpp\n#include \"Cylinder.h\"\n#include <bits\/stdc++.h>\nint main() {\n    double r, h;\n    std::cout << \"\u8f93\u5165\u5706\u67f1\u534a\u5f84\uff1a \",scanf(\"%lf\", &r);\n    std::cout << \"\u8f93\u5165\u5706\u67f1\u9ad8\uff1a \",scanf(\"%lf\", &h);\n    Cylinder c = Cylinder(r, h);\n   printf(\"\u8f93\u51fa\u5706\u67f1\u4f53\u79ef\u3001\u8868\u9762\u79ef\uff1a %.3lf  %.3lf\", c.volume(), c.surface());\n    return 0;\n}<\/code><\/pre>\n\n\n\n
\u4e09\u3001\u8fd0\u884c\u7ed3\u679c<\/strong><\/h3>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u5b9e\u9a8c\u516b \u6587\u4ef6\u64cd\u4f5c<\/strong><\/h2>\n\n\n\n
\u5b9e\u9a8c\u5b66\u65f6\uff1a2\u5b66\u65f6<\/p>\n\n\n\n
\u5b9e\u9a8c\u7c7b\u578b\uff1a\u9a8c\u8bc1<\/p>\n\n\n\n
\u5b9e\u9a8c\u8981\u6c42\uff1a\u5fc5\u4fee<\/p>\n\n\n\n
\u4e00\u3001\u5b9e\u9a8c\u9898\u76ee<\/strong><\/h3>\n\n\n\n
\u7edf\u8ba1\u201cinput.txt\u201d\u6587\u4ef6\u4e2d\uff0c\u5355\u8bcd\u4e2a\u6570\u3002<\/p>\n\n\n\n
\u4e8c\u3001\u7a0b\u5e8f<\/strong><\/h3>\n\n\n\n
#include <bits\/stdc++.h>\nusing namespace std;\nmap<string, int> IdNum;\nstring str;\nstring tstr[1008611];\nint num = 0;\nint ans = 0;\n\nint main() {\n    freopen(\"\/home\/liuruofei20030120\/C-Plus-Project\/C_Plus\/input.txt\", \"r\", stdin);\n\n    while (cin >> str) {\n        \/\/  cout << str << \" \"; \/\/ \u6ce8\u91ca\u6389\u7684\u4ee3\u7801\u662f \u201c\u7edf\u8ba1\u201cinput.txt\u201d\u6587\u4ef6\u4e2d\uff0c\u6bcf\u4e2a\u5355\u8bcd\u51fa\u73b0\u7684\u6b21\u6570\u201d \u9898\u76ee\u7684\u4ee3\u7801\n        \/\/  IdNum[str]++;\n        \/\/  tstr[num++] = str;\n        ans++;\n    }\n    \/\/    while (num--) {\n    \/\/        cout << tstr[num] << \" \" << IdNum[tstr[num]] << endl;\n    \/\/    }\n    cout << ans;\n}\n<\/code><\/pre>\n\n\n\n
\u4e09\u3001\u8fd0\u884c\u7ed3\u679c<\/strong><\/h3>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u5b9e\u9a8c\u516b <\/strong>(\u53ef\u80fd\u662f\u9898\u76ee\u9519\u8bef\u7684\u7248\u672c)<\/h2>\n\n\n\n
\u5b9e\u9a8c\u5b66\u65f6\uff1a2\u5b66\u65f6<\/p>\n\n\n\n
\u5b9e\u9a8c\u7c7b\u578b\uff1a\u9a8c\u8bc1<\/p>\n\n\n\n
\u5b9e\u9a8c\u8981\u6c42\uff1a\u5fc5\u4fee<\/p>\n\n\n\n
\u4e00\u3001\u5b9e\u9a8c\u9898\u76ee<\/strong><\/h3>\n\n\n\n
\u7edf\u8ba1\u201cinput.txt\u201d\u6587\u4ef6\u4e2d\uff0c\u6bcf\u4e2a\u5355\u8bcd\u51fa\u73b0\u7684\u6b21\u6570\u3002<\/p>\n\n\n\n
\u4e8c\u3001\u7a0b\u5e8f<\/strong><\/h3>\n\n\n\n
#include <bits\/stdc++.h>\n\nusing namespace std;\n\nmap<string, int> IdNum;\n\nstring str;\n\nstring tstr[1008611];\n\nint num = 0;\n\nint main() {\n\n    freopen(\u201c\/home\/liuruofei20030120\/C-Plus-Project\/C_Plus\/input.txt\u201d, \u201cr\u201d, stdin);\n\n    while (cin >> str) {\n\n        cout << str;\n\n        IdNum[str]++;\n\n        tstr[num++] = str;\n\n    }\n\n    while (num\u2013) {\n\n        cout << tstr[num] << \u201d \u201d << IdNum[tstr[num]] << endl;\n\n    }\n\n}<\/code><\/pre>\n\n\n\n
\u4e09\u3001\u8fd0\u884c\u7ed3\u679c<\/strong><\/h3>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u603b\u7ed3\u4e0e\u53cd\u9988<\/strong><\/h2>\n\n\n\n
\u4f5c\u4e3a\u4e00\u4e2a\u5b66\u8fc7\u7684\u611f\u89c9\u8bb2\u7684\u5f88\u901a\u900f,\u6709\u4e00\u4e9b\u4ee5\u524d\u6ca1\u6ce8\u610f\u5230\u7684\u7ec6\u8282\u90fd\u8865\u5145\u4e86,\u4e0d\u8fc7\u611f\u89c9\u540e\u671f\u9898\u76ee\u7ec3\u4e60\u4e0d\u8db3,\u611f\u89c9\u524d\u671f\u7a0d\u5feb\u540e\u671f\u653e\u6162\u4f1a\u66f4\u597d<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"
Changelog 1.0 \u57fa\u672c\u5b8c\u6210\u5168\u90e8\u4ee3\u7801\u8f93\u5165(\u5b9e\u9a8c7\u9664\u5916 1.1 \u5c0f\u5e45\u6539\u8fdb\u4ee3\u7801,\u4f18\u5316\u8fd0\u884c\u901f\u5ea6(\u4e0d\u662f 2.0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[29],"class_list":["post-353","post","type-post","status-publish","format-standard","hentry","category-c_plus","tag-c"],"_links":{"self":[{"href":"https:\/\/mzdyl.xyz\/index.php\/wp-json\/wp\/v2\/posts\/353","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mzdyl.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mzdyl.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mzdyl.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mzdyl.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=353"}],"version-history":[{"count":12,"href":"https:\/\/mzdyl.xyz\/index.php\/wp-json\/wp\/v2\/posts\/353\/revisions"}],"predecessor-version":[{"id":371,"href":"https:\/\/mzdyl.xyz\/index.php\/wp-json\/wp\/v2\/posts\/353\/revisions\/371"}],"wp:attachment":[{"href":"https:\/\/mzdyl.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=353"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mzdyl.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=353"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mzdyl.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}