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- #include<iostream>
- #include<stdlib.h>
- #include<ctime>
- #include<stdio.h>
- #include<Windows.h>
- #include<iomanip>
- #define pi_ 3.1415926535898
- using namespace std;
- float add(float jia1, float jia2)//加法函数
- {
- float jiaguo = jia1 + jia2;
- return jiaguo;
- }
- float subtract(float jian1, float jian2)//减法函数
- {
- float jianguo = jian1 - jian2;
- return jianguo;
- }
- float ride(float cheng1, float cheng2)//乘法函数
- {
- float jianguo = cheng1 * cheng2;
- return jianguo;
- }
- float getridof(float chu1, float chu2)//除法函数
- {
- float jianguo = chu1 / chu2;
- return jianguo;
- }
- int main()
- {
- time_t begin, end;
- double ret;
- begin = clock();
- long float jieguo = 0, jieguo1 = 0, jieguo2 = 0,jieguo3 = 0,chufa1 = 1, chufa2 = 1, jiafa1 = 0, jiafa2 = 0, jianfa1 = 0, jianfa2 = 0, chengfa1 = 0, chengfa2 = 0,radius = 0,area = 0;
- long int chengchuxuanze1 = 0, jieshuyu = 0,zhi = 0,jiao = 0,ji = 0,tu = 0;
- int xuanshizi = 0;
- int xuanze = 0;
- cout << "欢迎使用此程序\n输入1为新版使用函数计算器 可以计算小数且更快的计算速度\n输入2为第一版计算器使用运算法计算器" << endl;
- cin >> xuanze;
- system("cls");
- switch (xuanze)
- {
- case 1:
- L01:cout << "----------------计算器----------------------\t" << endl;
- cout << "请输入运算的类型:\n1,加法\t最大支持8字节数据\n2,减法\t最大支持8字节数据\n3,乘除\t最大支持8字节数据\n4,九 九 乘 法 表\n5,鸡兔同笼题运算\t最大支持8字节数据\n6,圆面积计算\t最大支持8字节数据" << endl;
- cout << "----------输入运算类型前的数字--------------\t" << endl;
- cin >> xuanshizi;//用户输入选择
- system("cls");
- switch (xuanshizi)
- {
- case 1://加
- cout << "--------------------加法--------------------\t" << endl;
- cout << "请输入第一个数字:" << endl;
- cin >> jiafa1;
- cout << "您输入的数字为:" << jiafa1 << endl;
- cout << "--------------------------------------------\t" << endl;
- cout << "请输入第二个数字:" << endl;
- cin >> jiafa2;
- cout << "您输入的数字为:" << jiafa2 << endl;
- jieguo1 = add(jiafa1, jiafa2);//运算结果
- cout << "--------------------------------------------\t" << endl;
- cout << jiafa1 << " 加 " << jiafa2 << " 等于 " << setprecision(10) << jieguo1 << endl;
- cout << "-----------------运算完成-------------------\t" << endl;
- break;//结束分支,不加否则继续执行
- case 2://减
- cout << "--------------------减法--------------------\t" << endl;
- cout << "请输入第一个数字:" << endl;
- cin >> jianfa1;
- cout << "您输入的数字为:" << jianfa1 << endl;
- cout << "--------------------------------------------\t" << endl;
- cout << "请输入第二个数字:" << endl;
- cin >> jianfa2;
- cout << "您输入的数字为:" << jianfa2 << endl;
- jieguo = subtract(jianfa1, jianfa2); //运算结果
- cout << "--------------------------------------------\t" << endl;
- cout << jianfa1 << " 减 " << jianfa2 << " 等于 " << setprecision(10) << jieguo << endl;
- cout << "-----------------运算完成-------------------\t" << endl;
- break;//结束分支,不加否则继续执行
- case 4://乘法口诀表
- cout << "-----------------乘法口诀表-----------------\t" << endl;
- for (int n9 = 1; n9 <= 9; n9++)
- {
- for (int m9 = 1; m9 <= n9; m9++)
- {
- cout << m9 << "*" << n9 << "=" << m9 * n9 << "\t";
- }
- cout << endl;
- }
- cout << "--------------------------------------------\t" << endl;
- break;
- case 5://鸡兔同笼
- cout << "-----------------鸡兔同笼题-----------------\t" << endl;
- cout << "鸡和兔一共有多少只" << endl;
- cin >> zhi;
- cout << "鸡和兔一共有多少脚" << endl;
- cin >> jiao;
- tu = (jiao - (2 * zhi));
- tu = tu / 2;
- ji = zhi - tu;
- cout << "鸡有:" << ji << "只\n" << "兔有:" << tu << "只" << endl;
- cout << "-----------------运算完成-------------------\t" << endl;
- break;
- case 6:
- cout << "-----------------圆面积计算-----------------\t" << endl;
- cout << "请输入圆的半径:" << endl;
- cin >> radius;
- area = radius * radius * pi_;
- cout << "圆的半径是:" << setprecision(15) << radius << "圆的面积是:" << area << endl;
- cout << "-----------------运算完成-------------------\t" << endl;
- break;
- case 3://乘除选择
- cout << "------------------乘除选择------------------\t" << endl;
- cout << "乘法还是除法?" << endl;
- cout << "1,乘法" << endl;
- cout << "2,除法" << endl;
- cout << "--------------------------------------------\t" << endl;
- cin >> chengchuxuanze1;
- system("cls");//清空上面内容
- switch (chengchuxuanze1)
- {
- case 1://乘
- cout << "------------------乘法----------------------\t" << endl;
- cout << "请输入第一个数字:" << endl;
- cin >> chengfa1;
- cout << "您输入的数字为:" << chengfa1 << endl;
- cout << "--------------------------------------------\t" << endl;
- cout << "请输入第二个数字:" << endl;
- cin >> chengfa2;
- cout << "您输入的数字为:" << chengfa2 << endl;
- jieguo2 = ride(chengfa1,chengfa2);//运算结果
- cout << "--------------------------------------------\t" << endl;
- cout << chengfa1 << " 乘 " << chengfa2 << " 等于 " << setprecision(10) << jieguo2 << endl;
- cout << "-----------------运算完成-------------------\t" << endl;
- break;//结束分支,不加否则继续执行
- case 2://除
- cout << "--------------------除法--------------------\t" << endl;
- cout << "请输入第一个数字:" << endl;
- cin >> chufa1;
- cout << "您输入的数字为:" << chufa1 << endl;
- L02:cout << "--------------------------------------------\t" << endl;
- cout << "请输入第二个数字:" << endl;
- cin >> chufa2;
- cout << "您输入的数字为:" << chufa2 << endl;
- cout << "--------------------------------------------\t" << endl;
- if (chufa2>0)
- {
- jieguo3 = getridof(chufa1,chufa2);//运算结果
- cout << chufa1 << " 除 " << chufa2 << " 等于 " << setprecision(10) << jieguo3 << endl;
- cout << "-----------------运算完成-------------------\t" << endl;
- break;//结束分支,不加否则继续执行
- }
- else
- {
- cout << "第二个数字不能小于等于0!" << endl;
- goto L02;
- }
- break;
- default:
- break;
- }
- default:
- break;
- }
- cout << "1,重新开始 2,退出程序" << endl;//选择继续运行还是退出
- cin >> jieshuyu;
- switch (jieshuyu)
- {
- case 1:
- system("cls");//清空并重新运行l1内容
- goto L01;
- case 2:
- cout << "-----------------回车退出-------------------\t" << endl;
- end = clock();
- ret = double(end - begin) / CLOCKS_PER_SEC;
- cout << endl;
- cout << "程序运行时间: " << ret << "秒" << endl;
- system("pause");//退出程序
- default:
- break;
-
- }
- case 2: L1:cout << "----------------计算器----------------------\t" << endl;
- cout << "请输入运算的类型:\n1,加法 最大支持-+2147483647\n2,减法 最大支持-+2147483647\n3,乘除 最大支持-+2147483647\n4,九 九 乘 法 表\n5,鸡兔同笼题运算\n6,圆面积计算" << endl;
- cout << "----------输入运算类型前的数字--------------\t" << endl;
- int select = 0;//创建变量选择
- int chengchu = 0;//乘除的变量选择
- int jieshu = 0;
- cin >> select;//用户输入选择
- int d = 0, e = 0, f = 0, a = 0, b = 0, c = 0, g = 0, h = 0, i = 0;//加减乘
- float l = 0, k = 1, n = 1;//除
- system("cls");
- switch (select)
- {
- case 1://加
- cout << "--------------------加法--------------------\t" << endl;
- cout << "请输入第一个数字:" << endl;
- cin >> d;
- cout << "您输入的数字为:" << d << endl;
- cout << "--------------------------------------------\t" << endl;
- cout << "请输入第二个数字:" << endl;
- cin >> e;
- cout << "您输入的数字为:" << e << endl;
- f = d + e;//运算结果
- cout << "--------------------------------------------\t" << endl;
- cout << d << " 加 " << e << " 等于 " << f << setprecision(10) << endl;
- cout << "-----------------运算完成-------------------\t" << endl;
- break;//结束分支,不加否则继续执行
- case 2://减
- cout << "--------------------减法--------------------\t" << endl;
- cout << "请输入第一个数字:" << endl;
- cin >> a;
- cout << "您输入的数字为:" << a << endl;
- cout << "--------------------------------------------\t" << endl;
- cout << "请输入第二个数字:" << endl;
- cin >> b;
- cout << "您输入的数字为:" << b << endl;
- c = a - b;//运算结果
- cout << "--------------------------------------------\t" << endl;
- cout << a << " 减 " << b << " 等于 " << c << setprecision(10) << endl;
- cout << "-----------------运算完成-------------------\t" << endl;
- break;//结束分支,不加否则继续执行
- case 4://乘法口诀表
- cout << "-----------------乘法口诀表-----------------\t" << endl;
- for (int n9 = 1; n9 <= 9; n9++)
- {
- for (int m9 = 1; m9 <= n9; m9++)
- {
- cout << m9 << "*" << n9 << "=" << m9 * n9 << "\t";
- }
- cout << endl;
- }
- cout << "--------------------------------------------\t" << endl;
- break;
- case 5://鸡兔同笼
- cout << "-----------------鸡兔同笼题-----------------\t" << endl;
- cout << "鸡和兔一共有多少只" << endl;
- cin >> zhi;
- cout << "鸡和兔一共有多少脚" << endl;
- cin >> jiao;
- tu = (jiao - (2 * zhi));
- tu = tu / 2;
- ji = zhi - tu;
- cout << "鸡有:" << ji << "只\n" << "兔有:" << tu << "只" << endl;
- cout << "-----------------运算完成-------------------\t" << endl;
- break;
- case 6:
- cout << "-----------------圆面积计算-----------------\t" << endl;
- cout << "请输入圆的半径:" << endl;
- cin >> radius;
- area = radius * radius * pi_;
- cout << "圆的半径是:" << setprecision(15) << radius << "圆的面积是:" << area << endl;
- cout << "-----------------运算完成-------------------\t" << endl;
- break;
- case 3://乘除选择
- cout << "------------------乘除选择------------------\t" << endl;
- cout << "乘法还是除法?" << endl;
- cout << "1,乘法" << endl;
- cout << "2,除法" << endl;
- cout << "--------------------------------------------\t" << endl;
- cin >> chengchu;
- system("cls");//清空上面内容
- switch (chengchu)
- {
- case 1://乘
- cout << "------------------乘法----------------------\t" << endl;
- cout << "请输入第一个数字:" << endl;
- cin >> g;
- cout << "您输入的数字为:" << g << endl;
- cout << "--------------------------------------------\t" << endl;
- cout << "请输入第二个数字:" << endl;
- cin >> h;
- cout << "您输入的数字为:" << h << endl;
- i = g * h;//运算结果
- cout << "--------------------------------------------\t" << endl;
- cout << g << " 乘 " << h << " 等于 " << i << setprecision(10) << endl;
- cout << "-----------------运算完成-------------------\t" << endl;
- break;//结束分支,不加否则继续执行
- case 2://除
- cout << "--------------------除法--------------------\t" << endl;
- cout << "请输入第一个数字:" << endl;
- cin >> k;
- cout << "您输入的数字为:" << k << endl;
- L2:cout << "--------------------------------------------\t" << endl;
- cout << "请输入第二个数字:" << endl;
- cin >> n;
- cout << "您输入的数字为:" << n << endl;
- cout << "--------------------------------------------\t" << endl;
- if (n)
- {
- l = k / n;//运算结果
- cout << k << " 除 " << n << " 等于 " << setprecision(10) << l << endl;
- cout << "-----------------运算完成-------------------\t" << endl;
- break;//结束分支,不加否则继续执行
- }
- else
- {
- cout << "第二个数字不能小于等于0!" << endl;
- goto L2;
- }
- break;
- default:
- break;
- }
- default:
- break;
- }
- cout << "1,重新开始 2,退出程序" << endl;//选择继续运行还是退出
- cin >> jieshu;
- switch (jieshu)
- {
- case 1:
- system("cls");//清空并重新运行l1内容
- goto L1;
- case 2:
- cout << "-----------------回车退出-------------------\t" << endl;
- end = clock();
- ret = double(end - begin) / CLOCKS_PER_SEC;
- cout << endl;
- cout << "程序运行时间: " << setprecision(10) << ret << "秒" << endl;
- system("pause");//退出程序
- default:
- break;
- }
- }
- }
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