47_输入4个整数，按从大到小的顺序输出这4个整数

/*时间：2011年10月13日11:13:03目的；4个整数从大到小输出缺点：代码利用率不高改进：利用函数进行判断大小和互换*/# include <iostream>using namespace std;int main(){int a, b, c, d;int temp;cout<<"请输入4个整数：";cin>>a>>b>>c>>d;if(a>b);else{temp = a;a = b;b = temp;}if(b>c);else{temp = b;b = c;c = temp;}if(a>b);else{temp = a;a = b;b = temp;}if(c>d);else{temp = c;c = d;d = temp;}if(b>c);else{temp = b;b = c;c = temp;}if(a>b);else{temp = a;a = b;b = temp;}cout<<a<<">"<<b<<">"<<c<<">"<<d<<endl;return 0;}