C++上机作业5

#include<iostream>
using namespace std;
int main()
{
const int N=10;
int	a
,b
,i,j,k=0;
for(i=0;i<N;i++)
cin>>a[i];
for(i=0;i<N;i++)
{
for(j=0;j<N+1;j++)
{
if(i==j)
continue
if(a[i]==a[j]
break;
if(j==10)
{
b[k]=a[i];
k++;
}
}
}
cout<<"不重复的数组有：";
for(i=0;i<k;i++)
cout<<b[i]<<",";
return 0;
}

#include<iostream>
using namespace std;
int main()
{
const int N=10;
int a
,i,sum1=0,sum2=0;
cout<<"请输入10个数：";
for(i=0;i<N;i++)
{

cin>>a[i];
if(a[i]>0)
sum1=sum1+a[i];
else if(a[i]<0)
sum2=sum2+a[i];
}
cout<<"正数和："<<sum1<<endl;
cout<<"负数和："<<sum2;
return 0;
}

#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
char str[50];
int i=0,m=0,n=0;
cout<<"请输入字符串:";
gets(str);
while(str[i]!='\0')
{
if(str[i]>='A'&&str[i]<='Z'||str[i]>='a'&&str[i]<='z')
m++;
if(str[i]>='0'&&str[i]<='9')
n++;
i++;
}
int a[10];
cout<<"数字的个数为:"<<m<<endl;
cout<<"字母的个数为:"<<n<<endl;
cout<<"其他字符的个数为:"<<i-m-n;
return 0;
}