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include cstdio
C语言程序代码读不懂
答:
include
<
cstdio
>int main(){ int i,j,k=19; while(i=k-1/*注意不是'==',这里没有把'i!=k-1’作为结束的条件,而是执行了i=k-1这个语句*/) { k-=3;//每次k减三 if(k%5==0) { i++;continue; }//减到k是五的倍数为止,没看懂为什么i要++ else if(k<5...
计算圆的面积的程序
答:
1. 用C语言来实现计算圆的面积的程序如下:
include
"
stdio
.h"define PI 3.14159 int main(){ float nR;float nArea;printf("请输入圆的半径:");scanf("%f",&nR);nArea = PI*nR*nR;printf("圆的面积是:%f\n",nArea);return 0;} 2. 用C++语言来实现计算圆的面积的程序如下:include<...
C
语言中#
include
的详细解释 应该怎么运用
答:
标准 C++ (同上的不再注释)
include
<algorithm> //STL 通用算法 include <bitset> //STL 位集容器 include <cctype> include <cerrno> include <clocale> include <cmath> include <complex> //复数类 include <
cstdio
> include <cstdlib> include <cstring> include <ctime> include ...
c语言中有关于字符串的处理函数包含在头文件什么中啊
答:
include
<wchar.h>//宽字符处理及输入/输出 include<wctype.h>//宽字符分类 标准C++(同上的不再注释)include<algorithm>//STL通用算法 include<bitset>//STL位集容器 include<cctype> include<cerrno> include<clocale> include<cmath> include<complex>//复数类 include<
cstdio
> include<cstdlib> ...
C语言程序(输入两个数 a b 求ab之间的质数并且输出所有质数之和)_百 ...
答:
include
<
stdio
.h> //包含输入输出头文件 int main() //主函数 { int flag, a,b; //flag标志是否为质数 这里设定b>a printf("请依次输入a,b两个整数,注意a<b,a和b用空格分开\n");scanf("%d %d",&a,&b);for (int i=a;i<=b;i++) //从a开始到b之间的所有数 { fl...
地球人口承载力估计(C++入门级编程题)
答:
include
<
cstdio
>int main(){ int x,a,y,b; double m; scanf("%d%d%d",&x,&a,&y,&b); //注意这里传入的参数前面要加&,也就是取了这几个变量的地址,这样才可以把读入的数字储存到目标变量对应的地址。 m=(double)(b*y-a*x)/(b-a); printf("%0.2f",m);...
一个c++ 幻方问题
答:
include
<iostream>#include<
cstdio
>#include<cmath>#include<cstring>using namespace std;#define maxn 256int m[maxn][maxn];void OddMagic(int n) //奇数阶幻方{ memset(m,0,sizeof(m)); //幻方清零 int x=0, y=n/2; for(int i=1; i<=n*n; i++){ m[x][y]...
用C++编程,输入一个日期,求该日期在当年的第几周
答:
include
<iostream> include <math.h> include <
cstdio
> using namespace std;int smonth(int);int firstday(int);int year,month,day,sum(0);int main(){ cin>>year>>month>>day;for(int i=1;i<month;++i)sum+=smonth(i);sum+=day;int first=firstday(year);cout<<"属于该年的...
C++ 深度优先搜索 生成全排列排列
答:
include
<
cstdio
>#include<iostream>using namespace std;int a[1000],v[1000],n;void print(){ for (int i=1;i<=n;i++) printf("%d ",a[i]); //将每位输出 puts(""); //换行 }void DFS(int dep){ if (dep==n) print(); //如果搜到一个结果输出 dep++; //查找...
C语言如何将3位数整数正确分离到屏幕上?
答:
3位数整数正确分离的屏幕上输出源代码如下:
include
<iostream> include <
cstdio
> include <cstring> using namespace std;int main(){ char a[10];gets(a);int l=strlen(a);for(int i=l-1;i>=0;i--){ cout<<a[i]<<" ";} return 0;} ...
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