第五次C++作业

#include <iostream>

using namespace std;

int main()

{

int a[10],x=0,y=0,z=0;

cout<<"输入10个数：";

for(x=0;x<10;x++)

{

cin>>a[x];

if(a[x]>=0)

y+=a[x];

else

z+=a[x];

}

cout<<"正数之和为："<<y;

cout<<"负数之和为："<<z;

}

#include<iostream>

#include<cstdio>

using namespace std;

int main()

{

char a[50];

int i=0,n=0,j=0,k=0;

cout<<"请输入字符串"<<endl;

gets(a);

while(a[i]!='\0')

{

if(a[i]>='0'&&a[i]<='9')

n++;

else if((a[i]>='a'&&a[i]<='z')||(a[i]>='A'&&a[i]<='Z'))

j++;

else

k++;

i++;

}

cout<<"其中的数字个数是: "<<n<<endl;

cout<<"其中的字母个数是: "<<j<<endl;

cout<<"其中的其他字符个数是: "<<k<<endl;

return 0;

}

#include<iostream>

using namespace std;

int main()

{

int a[10],b[10],c[10],num,x,y=0,z=0;

cout<<"请输入10个数放在数组a";

for(x=0;x<10;x++)

{

cout<<"第"<<x+1<<"个数为：";

cin>>num;

a[x]=num;

if(num%2==1)

{

b[y]=num;

y++;

}

else

{

c[z]=num;

z++;

}

}

cout<<"数组a是:";

for(x=0;x<10;x++)

cout<<a[x]<<", ";

cout<<"奇数数组b有";

for(x=0;x<y;x++)

cout<<b[x]<<", ";

cout<<endl;

cout<<"偶数数组c有";

for(x=0;x<z;x++)

cout<<c[x]<<", ";

}
#include<iostream>
using namespace std;
int main()
{
int a[10],b[10],c[10],num,x,y=0,z=0;
cout<<"请输入10个数放在数组a";
for(x=0;x<10;x++)
{
cout<<"第"<<x+1<<"个数为：";
cin>>num;
a[x]=num;
if(num%2==1)
{
b[y]=num;
y++;
}
else
{
c[z]=num;
z++;
}
}
cout<<"数组a是:";
for(x=0;x<10;x++)
cout<<a[x]<<", ";
cout<<"奇数数组b有";
for(x=0;x<y;x++)
cout<<b[x]<<", ";
cout<<endl;
cout<<"偶数数组c有";
for(x=0;x<z;x++)
cout<<c[x]<<", ";
}