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项目二
#include<iostream>
using namespace std;
int main()
{
	int A[10],B[10],i,j=0,k=0,p=0;
	cout<<"请输入10个数判断其中的不重复数:"<<"\n";
	for(i=0;i<10;i++)
		cin>>A[i];
	for(i=0;i<10;i++)
	{	
		for(j=0;j<10;j++)
	{
		if(A[i]!=A[j])
			k++;
	}
	if(k==9)
	{
		B[p]=A[i];
		p++;
	}
	k=0;
	}
	cout<<"不重复的值有:";
	for(i=0;i<p;i++)
		cout<<B[i]<<" ";
	cout<<endl;
	return 0;
}
项目四
#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
    char str[50];
    int i=0,n=0,j=0,k=0;
    cout<<"输入字符串:";
    gets(str);
    while(str[i]!='\0')
    {
        if(str[i]>='0'&&str[i]<='9')
			n++;
         else if((str[i]>='A'&&str[i]<='W')||(str[i]>='x'&&str[i]<='z'|| (str[i]>='X'&&str[i]<='Z')||(str[i]>='a'&&str[i]<='w')))
        j++;
        else
			k++;
        i++;
    }
    cout<<"数字个数是: "<<n<<"\n";
    cout<<"字母个数是: "<<j<<"\n";
    cout<<"其他字符个数是: "<<k<<endl;
    return 0;
}
项目五:
#include<iostream>
using namespace std;
int main()
{
	const int N=5;
	int A[N],sum1=0,sum2=0,i;
	cout<<"请输入10个数:"<<"\n";
	for(i=0;i<N;i++)
		cin>>A[i];
	for(i=0;i<N;i++)
	{
		if(A[i]>0)	
           sum1=sum1+A[i];
	    else if(A[i]<0)	
	       sum2=sum2+A[i];
		else
			cout<<"error"<<"\n";
	}
	cout<<"整数的和为:"<<sum1<<"\n"<<"负数的和为:"<<sum2<<endl;
	return 0;
}标签:
原文地址:http://blog.csdn.net/gyx196/article/details/51367856